The Alternative Power Network - User contributions [en]

Inverters

2026-05-17T00:21:56Z

Chewie: /* Not Bad */ Add MorningStar Inverter

List of Inverters used and whether to recommend them or not. Feel free to add columns on functionality included that would be useful for the project.

== Not Recommended ==

{| class="wikitable sortable"
|-
! Make and Model !! Remote Control !! Logging || Comments !! used By
|-

|}

== Not Bad ==
{| class="wikitable sortable"
|-
! Make and Model !! Remote Control !! Logging || Comments !! used By
|-
| [https://www.cotek.com.tw/sr1000t-1000w Cotek SR1000T] || RS-232, Remote Switch || None || Has both AC and 48V DC Inputs, and primary input can be chosen. Auto switchover when voltage drops or rises over a certain point. Sadly the switchover from DC to AC on low voltage is too low for LiFePO4 batteries (highest setting is 48v - it would be better if 50-52V could be selectable to avoid draining the batteries too low). This is a real shame as it would tick most of the boxes for my use. [http://www.gogreenit.net/index.php?page=cotek-sr1000t-248-inverter Review here] || [[User:Chewie]]
|-
| [https://www.morningstarcorp.com/products/suresine/2500-watts/ MorningStar SureSine] || Modbus-TCP, Bluetooth || Internal, Modbus-TCP || Quite heavy for its rating. Good documentation, but can only change Network settings via Modbus, not the App or anything else. Only uses 10w on idle, which is much better than others, so I leave it on most of the time without worrying. [http://www.gogreenit.net/index.php?page=morningstar-suresine Review here] || [[User:Chewie]]
|-
|}

Main Page

2023-12-22T22:32:57Z

Chewie: /* THINGS */ add link to Inverters list

[[File:Image solarcells.jpg|400px|thumb|right|Solar Cells at the CCCamp 2019]]
We're an '''international group''' of people '''working on DC microgrid technology'''. We've been present at multiple Chaos camps and events, under different names like '''AltPwr''', '''EventGrid''', etc.

Our aim is to '''build technology and methods to connect small autonomous energy systems via DC microgrids''', to allow them to share energy production, storage and usage resource. We also want to provide the means to measure, monitor and visualize power consumption on regular AC grids and DC microgrids to create awareness on power usage and potential improvements.

= Participation =

If you have any ideas, want to share cool solutions or help out developing hardware or software:

* Setup an account (top right) and create pages, fix errors, discuss on discussion tabs, all very welcome!
* Use the telegram group.

'''IMPORTANT:''' Right now we need to improve the communication channels and connections with others like [https://hacc.uber.space/ Hackers against Climate Change]. If you would like to help send a mail to trailblazr(at)noxymo.com I will soon update the most recent info here. (Updated: 17th of Sep 2019)

== Telegram Group ==

Join our [https://t.me/joinchat/D2v4lRe3eQX4MuYHo2JdpQ group on Telegram]

== Social Media ==

Please use the twitter hash tag '''#eventgrid''' when referring to this workgroup. It is still a working title right now.

= Take part in the Survey! =

On CCCamp we had 5000 participants needing electrical power. To improve our future power grid we would like to ask you a few questions in regard to your personal use of power. Please take a few minutes to answer the anonymous survey and help us green the grid.

'''<big>→ [https://www.surveylegend.com/s/1obe Infrastructure Survey] ←</big>'''

[[File:Qr code survey.png|thumb|left|QR Code for Survey Participation]] 

= News =

We are right now preparing a summary of the activities aiming to '''reboot the whole power stack as a green power network''' which happened on the CCCamp 2019. Here re the most recent activities and results...

* We have a survey online we would like you to fill in. [https://www.surveylegend.com/s/1obe Check it out!]
* Part of the Infrastructure Review
* Our main bulletpoints summed up on a slide

== TL;DR ==

* WE ARE [[EventGrid]], JOIN US NOW to work on the '''next generation green power grid*!'''
* '''48V / 300-400V DC Power Grid''' to connect remote villages which have their own local microgrids.
* '''48V DC Power Outlet''' (2 lines + 1 token ring data bus for Outlet Load Balancing)
* '''Power Meters (for villages; 300-400V)''' for better visualization & awareness of consumption
* '''Power Meters (for participants; 48V)''' for logging 24x7, visualization & awareness of consumption
* '''Poll/Questionnaire'''-driven insights on '''power consumption''' of event/village/participant
* '''Gamification Concept''' to trigger more power input & power storage
* '''Public Relations''' activity for transparency & promotion of more green activity

'''WE MET HERE DURING CCCAMP'''
* Our Camp Sessions '''every day 1600''' at [https://events.ccc.de/camp/2019/wiki/Village:Three_Headed_Monkey THM Village] / Lagerfeuer

== Some existing very low voltage standards to exchange power ==
* USB (5V, 2A) (10W)
* USB PD 1.0 (5V/2A, 12V/5A, 20V/5A) (100W)
* USB PD 3.2 (5…[ + 0.02 steps ]…20 V) 5A (100W)
* PoE …57V …100W

== What we plan to do ==

'''Following things are right now our focus and work in progress:'''

# A new technical approach to bootstrap '''[[EventGrid]] a new DC Power Network''' for running power networks on events like SHA and CCCamp in an environmentally friendly way (to be developed!)
# We want to raise awareness by making '''power consumption more transparent''' using a new power meter (to be developed!)
# We want to make it easy for single event participants to gain insight in one's own power consumption patterns by providing a '''DIY power meter hardware KIT''' to display/visualize and log power consumption (to be developed!)
# We want to gather research data from CCCamp participants on certain important questions setting up a '''poll/questionaire''' (to be developed!)
# We want add '''gamification to incentivize green power stacks''' (to be developed!) on future events like SHA, EMF, CCCamp, etc.
# We want to keep the community updated what we do and to which '''degree''' the community '''already reached''' their goal to shift the whole power stack towards a '''green power stack'''. We will do this with e.g. photos, statistics, proof-of-concept-installations and more...

== AltPwr / EventGrid at Chaos Events ==
=== SHA2017 and prior ===
Take a look at [[History]]

===CCCamp 2019 ===
Reignition as EventGrid. See [[CCCamp 2019]] for more details.

=== rC3 (2020) ===
[[User:Tiefpunkt|tiefpunkt]] organised two virtual meetups during the [https://rc3.world/rc3/ Remote Chaos Experience], December 2020.
Meeting minutes:
* [[20201228 rC3 Meetup]]
* [[20201229 rC3 Meetup]]

== Links ==

* [https://hacc.uber.space/ Hackers against Climate Change] (Wikipage)
* [https://libre.solar/ Libre Solar] (Web Page)

= The battery balancer =

Some people at the camp were handed out [[Lithium_batteries|balancers kits]].

= THINGS =

*) We know bringing all this heavy equipment is not helping keeping down CO2 much, but the idea is mostly about giving people the opportunity to get hands-on experience on building green solutions. This experience will hopefully lead to more permanent green solutions in other places.

''P.S.: At least we hope to add a new twist to the existing, currently in operation solution...''

[[File:Image breedenord.jpg|400px|thumb|left]]
If you have some useful DC-powered equipment, list them [[Wide Range Voltage Equipment|here]].

If you have used general equipment, please review them and add a link here
* [[Charge Controllers]]
* [[Inverters]]

== Equipment Reviews/Recommendations wanted ==
* Bidirectional DC-DC Charge Controllers
* DC-powered kitchen equipment

Have you successfully converted equipment to work directly from DC without inverters etc? If so, please list them [[Devices converted from AC to DC|here]] with instructions about the conversion process!

=== [[Failures]] ===
It is also important to list what didn't work and why, so people don't waste their time or break their own equipment!

Inverters

2023-12-22T22:30:59Z

Chewie: Created page with "List of Inverters used and whether to recommend them or not. Feel free to add columns on functionality included that would be useful for the project. == Not Recommended ==..."

User:Chewie

2023-12-22T22:21:16Z

Chewie: add Mastodon link

Usual Location: UK

Previous Hacker Festivals visited:
* CCC Camp 2019
* SHA2017
* OHM2013
* EMF (Various)
* CCC Congress
* Access All Areas (London)

Interests:

* Off-grid power generation
* Electronic Music
* Snowboarding
* Open Source
* Decentralization
* Shiny Graphs

Mastodon: [https://mammut.gogreenit.net/@chewie @chewie@mammut.gogreenit.net]

MorningStar Logging

2021-09-11T18:52:56Z

Chewie: add steps to get Grafana graphs

The larger [https://www.morningstarcorp.com/products/tristar-mppt/ MorningStar Charge Controllers] allow logging via MODBUS and MODBUS/tcp to their windows-based GUI.
This is ok, but doesn't save it in a particularly cross-platform format.
There is also a hardware device to allow SNMP polling, but this adds >£100 to the installation.
Using my TSMPPT 60, [https://github.com/dodo5522/tsmppt60_driver/ this guy's python module], cron and [https://grafana.com/ Grafana], I was able to reliably log data to an SQLite DB and make some nice shiny graphs.

There will be more efficient ways to do the following, but this works and is stable.

* Create your DB. I am using 1 table per array to keep things separate, but you might want to add a field for array name if you want all controllers to be logged in the same table. In SQLite, paste the following:
<nowiki>
CREATE TABLE 'Array1' (
'time' text PRIMARY key,
'BatteryVoltage' REAL,
'TargetVoltage' REAL,
'HeatSinkTemp' int,
'BatteryTemp' int,
'LEDState' int,
'ChargeState' int,
'KWHours' int,
'AmpHours' REAL,
'ChargeCurrent' REAL,
'OutputPower' REAL,
'ArrayVoltage' REAL,
'ArrayCurrent' REAL,
'SweepVoc' REAL,
'SweepPmax' REAL
);</nowiki>
* Install [https://github.com/dodo5522/tsmppt60_driver/ this guy's python module]
* Install [https://grafana.com/ Grafana], and the SQLite Data Source plugin
* create TSMPPT.py to use the python module to get the results (where the x's are the IP address):
<nowiki>
#!/usr/bin/python3
import tsmppt60_driver as ts
import json
print(json.dumps(ts.SystemStatus("xxx.xxx.xxx.xxx").get(False)))</nowiki>

* Use something like the following script to query the values returned by the above and then add it to the database created earlier. Note that it uses a temporary file (but can be called anything and put anywhere you like that's writeable)
<nowiki>
#!/bin/bash
cd /home/xxxxxxx/bin
polldate=( $(date --iso-8601=seconds))
db="array.db"
table="Array1"
./TSMPPT.py | jq > TSMPPT.json
BatteryVoltage=( $(cat TSMPPT.json | jq '."Battery Voltage".value'))
TargetVoltage=( $(cat TSMPPT.json | jq '."Target Voltage".value'))
HeatSinkTemp=( $(cat TSMPPT.json | jq '."Heat Sink Temperature".value'))
BatteryTemp=( $(cat TSMPPT.json | jq '."Battery Temperature".value'))
LEDState=( $(cat TSMPPT.json | jq '."LED State".value'))
ChargeState=( $(cat TSMPPT.json | jq '."Charge State".value'))
KWHours=( $(cat TSMPPT.json | jq '."Kilowatt Hours".value'))
AmpHours=( $(cat TSMPPT.json | jq '."Amp Hours".value'))
ChargeCurrent=( $(cat TSMPPT.json | jq '."Charge Current".value'))
OutputPower=( $(cat TSMPPT.json | jq '."Output Power".value'))
ArrayVoltage=( $(cat TSMPPT.json | jq '."Array Voltage".value'))
ArrayCurrent=( $(cat TSMPPT.json | jq '."Array Current".value'))
SweepVoc=( $(cat TSMPPT.json | jq '."Sweep Voc".value'))
SweepPmax=( $(cat TSMPPT.json | jq '."Sweep Pmax".value'))

echo $polldate
echo BatteryVoltage: $BatteryVoltage
echo TargetVoltage: $TargetVoltage
echo HeatSinkTemp: $HeatSinkTemp
echo BatteryTemp: $BatteryTemp
echo LEDState: $LEDState
echo ChargeState: $ChargeState
echo KWHours: $KWHours
echo AmpHours: $AmpHours
echo ChargeCurrent: $ChargeCurrent
if [ "$ChargeCurrent" = "-0" ]
then
ChargeCurrent=0
echo ChargeCurrent: $ChargeCurrent
fi

echo OutputPower: $OutputPower
echo ArrayVoltage: $ArrayVoltage
echo ArrayCurrent: $ArrayCurrent
echo SweepVoc: $SweepVoc
echo SweepPmax: $SweepPmax

sqlite3 array.db "INSERT INTO $table(time, BatteryVoltage, TargetVoltage, HeatSinkTemp, BatteryTemp, LEDState, ChargeState, KWHours, AmpHours, ChargeCurrent, OutputPower, ArrayVoltage, ArrayCurrent, SweepVoc, SweepPmax) VALUES ('$polldate', $BatteryVoltage, $TargetVoltage, $HeatSinkTemp, $BatteryTemp, $LEDState, $ChargeState, $KWHours, $AmpHours, $ChargeCurrent, $OutputPower, $ArrayVoltage, $ArrayCurrent, $SweepVoc, $SweepPmax);" </nowiki>

* Schedule it in a user cron. I run it every minute:
<nowiki>
*/1 * * * * ~/bin/TSMPPT2sqlite > ~/bin/TSMPPT2sqlite.log</nowiki>

* Use Grafana to create a dashboard and then graph the values you want:
Add the datasource:
[[File:Grafana-DataSources.png|thumb|600px|center|Screenshot showing Grafana Datasources menu and configured SQLite database]]
Create a dashboard, and add a new widget:
[[File:Grafana-TSMPPT-examplegraph.png|thumb|600px|center|Example graph showing array output]]
After adding all the sections you want, you can get something looking like this:
[[File:Grafana-TSMPPT.png|thumb|600px|center]]
Feel free to contact [[User:Chewie|Chewie]] with questions or sugestions

File:Grafana-TSMPPT-examplegraph.png

2021-09-11T18:50:06Z

Chewie:

Example graph showing array output

File:Grafana-DataSources.png

2021-09-11T18:46:06Z

Chewie:

Screenshot showing Grafana Datasources menu and configured SQLite database

MorningStar Logging

2021-09-09T12:40:17Z

Chewie: Recording and graphing MorningStar Charge Controllers

The larger [https://www.morningstarcorp.com/products/tristar-mppt/ MorningStar Charge Controllers] allow logging via MODBUS and MODBUS/tcp to their windows-based GUI.
This is ok, but doesn't save it in a particularly cross-platform format.
There is also a hardware device to allow SNMP polling, but this adds >£100 to the installation.
Using my TSMPPT 60, [https://github.com/dodo5522/tsmppt60_driver/ this guy's python module], cron and [https://grafana.com/ Grafana], I was able to reliably log data to an SQLite DB and make some nice shiny graphs.

There will be more efficient ways to do the following, but this works and is stable.

* Create your DB. I am using 1 table per array to keep things separate, but you might want to add a field for array name if you want all controllers to be logged in the same table. In SQLite, paste the following:
<nowiki>
CREATE TABLE 'Array1' (
'time' text PRIMARY key,
'BatteryVoltage' REAL,
'TargetVoltage' REAL,
'HeatSinkTemp' int,
'BatteryTemp' int,
'LEDState' int,
'ChargeState' int,
'KWHours' int,
'AmpHours' REAL,
'ChargeCurrent' REAL,
'OutputPower' REAL,
'ArrayVoltage' REAL,
'ArrayCurrent' REAL,
'SweepVoc' REAL,
'SweepPmax' REAL
);</nowiki>
* Install [https://github.com/dodo5522/tsmppt60_driver/ this guy's python module]
* Install [https://grafana.com/ Grafana]
* create TSMPPT.py to use the python module to get the results (where the x's are the IP address):
<nowiki>
#!/usr/bin/python3
import tsmppt60_driver as ts
import json
print(json.dumps(ts.SystemStatus("xxx.xxx.xxx.xxx").get(False)))</nowiki>

* Use something like the following script to query the values returned by the above and then add it to the database created earlier. Note that it uses a temporary file (but can be called anything and put anywhere you like that's writeable)
<nowiki>
#!/bin/bash
cd /home/xxxxxxx/bin
polldate=( $(date --iso-8601=seconds))
db="array.db"
table="Array1"
./TSMPPT.py | jq > TSMPPT.json
BatteryVoltage=( $(cat TSMPPT.json | jq '."Battery Voltage".value'))
TargetVoltage=( $(cat TSMPPT.json | jq '."Target Voltage".value'))
HeatSinkTemp=( $(cat TSMPPT.json | jq '."Heat Sink Temperature".value'))
BatteryTemp=( $(cat TSMPPT.json | jq '."Battery Temperature".value'))
LEDState=( $(cat TSMPPT.json | jq '."LED State".value'))
ChargeState=( $(cat TSMPPT.json | jq '."Charge State".value'))
KWHours=( $(cat TSMPPT.json | jq '."Kilowatt Hours".value'))
AmpHours=( $(cat TSMPPT.json | jq '."Amp Hours".value'))
ChargeCurrent=( $(cat TSMPPT.json | jq '."Charge Current".value'))
OutputPower=( $(cat TSMPPT.json | jq '."Output Power".value'))
ArrayVoltage=( $(cat TSMPPT.json | jq '."Array Voltage".value'))
ArrayCurrent=( $(cat TSMPPT.json | jq '."Array Current".value'))
SweepVoc=( $(cat TSMPPT.json | jq '."Sweep Voc".value'))
SweepPmax=( $(cat TSMPPT.json | jq '."Sweep Pmax".value'))

echo $polldate
echo BatteryVoltage: $BatteryVoltage
echo TargetVoltage: $TargetVoltage
echo HeatSinkTemp: $HeatSinkTemp
echo BatteryTemp: $BatteryTemp
echo LEDState: $LEDState
echo ChargeState: $ChargeState
echo KWHours: $KWHours
echo AmpHours: $AmpHours
echo ChargeCurrent: $ChargeCurrent
if [ "$ChargeCurrent" = "-0" ]
then
ChargeCurrent=0
echo ChargeCurrent: $ChargeCurrent
fi

echo OutputPower: $OutputPower
echo ArrayVoltage: $ArrayVoltage
echo ArrayCurrent: $ArrayCurrent
echo SweepVoc: $SweepVoc
echo SweepPmax: $SweepPmax

sqlite3 array.db "INSERT INTO $table(time, BatteryVoltage, TargetVoltage, HeatSinkTemp, BatteryTemp, LEDState, ChargeState, KWHours, AmpHours, ChargeCurrent, OutputPower, ArrayVoltage, ArrayCurrent, SweepVoc, SweepPmax) VALUES ('$polldate', $BatteryVoltage, $TargetVoltage, $HeatSinkTemp, $BatteryTemp, $LEDState, $ChargeState, $KWHours, $AmpHours, $ChargeCurrent, $OutputPower, $ArrayVoltage, $ArrayCurrent, $SweepVoc, $SweepPmax);" </nowiki>

* Schedule it in a user cron. I run it every minute:
<nowiki>
*/1 * * * * ~/bin/TSMPPT2sqlite > ~/bin/TSMPPT2sqlite.log</nowiki>

* Use Grafana to create a dashboard and then graph the values you want:
[[File:Grafana-TSMPPT.png|thumb|600px|center]]
Feel free to contact [[User:Chewie|Chewie]] with questions or sugestions

File:Grafana-TSMPPT.png

2021-09-09T12:30:38Z

Chewie:

Example of a Grafana dashboard using data from the MorningStar CC DB

Charge Controllers

2021-04-27T01:09:41Z

Chewie: add self-powering feature to Silentwind controller

List of Charge Controllers used and whether to recommend them or not. Feel free to add columns on functionality included that would be useful for the project.

== Not Recommended ==

{| class="wikitable sortable"
|-
! Make and Model !! Remote Control !! Logging || Comments !! used By
|-
| [https://genasun.eu/collections/genasun-lithium-mppts/products/genasun-gv-10-lithium-cv-mppt Genasun GV-10] || None || None || No interface except 1 LED, Poor functionality for the price, no user-replaceable fuse and died during hot weather || [[User:Chewie]]
|-
| [https://www.silentwindgenerator.com/vantagens/ SilentWind Wind & Solar Hybrid Charge Controller] || Bluetooth || None || Physical buttons temperamental, no logging capability, app looks like it was written by a 10 year old, no external Bluetooth aerial, so completely useless when inside a metal container, and range is poor even when outside. Can power itself from panels (not tested from turbine) alone. [https://www.gogreenit.net/index.php?page=silentwind-400w-marine-wind-turbine Review with associated wind turbine here] || [[User:Chewie]]
|-
| [https://www.western.it/en/products/wrm15-dual-battery/ Western Co WRM15 dualB] || Bluetooth & MODBUS || Not Tested || In theory, a good range of functions. App non-functional, and support have not been helpful - ''"Try another device"'', ''"Try the new version"''. Neither of which has been any use. Have not tried MODBUS connection || [[User:Chewie]]
|-
| [https://www.es.co.th/Schemetic/PDF/TRACER-RN.PDF EPSolar Tracer 1215RN] (discontinued)|| Remote Meter on RJ45 cable || None || Interface poor - 1 button does everything, can't power itself from solar input, so if your batteries are in poor condition, it won't power anything || [[User:Chewie]]
|}

== Not Bad ==
{| class="wikitable sortable"
|-
! Make and Model !! Remote Control !! Logging || Comments !! used By
|-
| [https://www.morningstarcorp.com/products/tristar-mppt/ts-mppt-60/ Morningstar TS-MPPT-60] || RS-232, RS-485/Modbus, Remote Meter on RJ45 cable, Ethernet || Web GUI, TCP/IP + Windows software, "SNMP support" || No crappy app, remote meter is good and can be daisy-chained to a second one. The alleged "SNMP support" only actually means SNMP traps. If you want SNMP polling for stats, you have to buy another module at the cost of ~£100 :(. Luckily a [https://github.com/dodo5522/tsmppt60_driver clever chap] has done a python module that will output current values into JSON. Web GUI shows current and 90-120 days of historical data, but uses javascript, so not sure how easily it could be scraped yet. [https://www.gogreenit.net/index.php?page=morningstar-tristar-60a-mppt Review here]|| [[User:Chewie]]
|-
|}

Charge Controllers

2021-04-13T01:07:21Z

Chewie: clarify lack of SNMP polling support

List of Charge Controllers used and whether to recommend them or not. Feel free to add columns on functionality included that would be useful for the project.

== Not Recommended ==

{| class="wikitable sortable"
|-
! Make and Model !! Remote Control? !! Logging || Comments !! used By
|-
| [https://genasun.eu/collections/genasun-lithium-mppts/products/genasun-gv-10-lithium-cv-mppt Genasun GV-10] || None || None || No interface except 1 LED, Poor functionality for the price, no user-replaceable fuse and died during hot weather || [[User:Chewie]]
|-
| [https://www.silentwindgenerator.com/vantagens/ SilentWind Wind & Solar Hybrid Charge Controller] || Bluetooth || None || Physical buttons temperamental, no logging capability, app looks like it was written by a 10 year old, no external Bluetooth aerial, so completely useless when inside a metal container, and range is poor even when outside. [https://www.gogreenit.net/index.php?page=silentwind-400w-marine-wind-turbine Review with associated wind turbine here] || [[User:Chewie]]
|-
| [https://www.western.it/en/products/wrm15-dual-battery/ Western Co WRM15 dualB] || Bluetooth & MODBUS || Not Tested || In theory, a good range of functions. App non-functional, and support have not been helpful - ''"Try another device"'', ''"Try the new version"''. Neither of which has been any use. Have not tried MODBUS connection || [[User:Chewie]]
|-
| [https://www.es.co.th/Schemetic/PDF/TRACER-RN.PDF EPSolar Tracer 1215RN] (discontinued)|| Remote Meter on RJ45 cable || None || Interface poor - 1 button does everything, can't power itself from solar input, so if your batteries are in poor condition, it won't power anything || [[User:Chewie]]
|}

== Not Bad ==
{| class="wikitable sortable"
|-
! Make and Model !! Remote Control? !! Logging || Comments !! used By
|-
| [https://www.morningstarcorp.com/products/tristar-mppt/ts-mppt-60/ Morningstar TS-MPPT-60] || RS-232, RS-485/Modbus, Remote Meter on RJ45 cable, Ethernet || Web GUI, TCP/IP + Windows software, "SNMP support" || No crappy app, remote meter is good and can be daisy-chained to a second one. The alleged "SNMP support" only actually means SNMP traps. If you want SNMP polling for stats, you have to buy another module at the cost of ~£100 :(. Luckily a [https://github.com/dodo5522/tsmppt60_driver clever chap] has done a python module that will output current values into JSON. Web GUI shows current and 90-120 days of historical data, but uses javascript, so not sure how easily it could be scraped yet. [https://www.gogreenit.net/index.php?page=morningstar-tristar-60a-mppt Review here]|| [[User:Chewie]]
|-
|}

Charge Controllers

2021-03-31T19:14:41Z

Chewie: typo

List of Charge Controllers used and whether to recommend them or not. Feel free to add columns on functionality included that would be useful for the project.

== Not Recommended ==

{| class="wikitable sortable"
|-
! Make and Model !! Remote Control? !! Logging || Comments !! used By
|-
| [https://genasun.eu/collections/genasun-lithium-mppts/products/genasun-gv-10-lithium-cv-mppt Genasun GV-10] || None || None || No interface except 1 LED, Poor functionality for the price, no user-replaceable fuse and died during hot weather || [[User:Chewie]]
|-
| [https://www.silentwindgenerator.com/vantagens/ SilentWind Wind & Solar Hybrid Charge Controller] || Bluetooth || None || Physical buttons temperamental, no logging capability, app looks like it was written by a 10 year old, no external Bluetooth aerial, so completely useless when inside a metal container, and range is poor even when outside. [https://www.gogreenit.net/index.php?page=silentwind-400w-marine-wind-turbine Review with associated wind turbine here] || [[User:Chewie]]
|-
| [https://www.western.it/en/products/wrm15-dual-battery/ Western Co WRM15 dualB] || Bluetooth & MODBUS || Not Tested || In theory, a good range of functions. App non-functional, and support have not been helpful - ''"Try another device"'', ''"Try the new version"''. Neither of which has been any use. Have not tried MODBUS connection || [[User:Chewie]]
|-
| [https://www.es.co.th/Schemetic/PDF/TRACER-RN.PDF EPSolar Tracer 1215RN] (discontinued)|| Remote Meter on RJ45 cable || None || Interface poor - 1 button does everything, can't power itself from solar input, so if your batteries are in poor condition, it won't power anything || [[User:Chewie]]
|}

== Not Bad ==
{| class="wikitable sortable"
|-
! Make and Model !! Remote Control? !! Logging || Comments !! used By
|-
| [https://www.morningstarcorp.com/products/tristar-mppt/ts-mppt-60/ Morningstar TS-MPPT-60] || RS-232, RS-485/Modbus, Remote Meter on RJ45 cable, Ethernet || Web GUI, TCP/IP + Windows software, alleged SNMP support || No crappy app, remote meter is good and can be daisy-chained to a second one. The "alleged SNMP" support hasn't been tested yet as the web gui does not allow you to do anything other than add the SNMP Trap server and port. (There are no settings for polling). Web GUI shows current and 90-120 days of historical data, but uses javascript, so not sure how easily it could be scraped yet. [https://www.gogreenit.net/index.php?page=morningstar-tristar-60a-mppt Review here]|| [[User:Chewie]]
|-
|}

Failures

2021-03-31T19:14:00Z

Chewie: /* User:Chewie: Dewalt 12v battery charger DCB119 */

== Equipment Failure ==

=== [[User:Chewie]]: [https://www.dewalt.com/products/accessories/batteries-and-chargers/chargers/12v-max--20v-max-lithium-ion-vehicle-battery-charger/dcb119 Dewalt 12v battery charger DCB119] ===
One of the reasons for choosing Dewalt equipment was that an official 12V charger was available, however, the device is poor quality.

2 x 2AH batteries were charged from a LiFePO4 Solar system from empty. Both charged fine, and were useable. However, once the batteries were drained, they would not charge at all, either via this charger or a mains charger. Luckily the batteries were under warranty and I was able to get replacements. This is pretty poor as the batteries were in good condition. A third battery that was bought at the same time as the first 2 has never been charged from the Solar System, and it is still in good condition a year later. I don't understand how it could have broken them, as the voltage was never over 14V.

Charging via the normal charger and an inverter works fine, but of course won't be as efficient.

=== [[User:Chewie]]: Not all 12V lighter plugs are the same ===
Although 12V Cigarette Lighter plugs and sockets should be able to take 20A @ 12V no problem, it seems that cheaper ones can only cope with 8A. If this is the case, usually the spring that holds the fuse and positive (middle) terminal gets too warm and melts into the plastic ([https://altpwr.net/index.php?title=File:20190822_174525.jpg example]).

Better quality ones seem to have copper springs instead and are made of a harder shiny plastic. If a rating is not mentioned by the seller, expect it to only cope with 8A

File:20190822 174525.jpg

2021-03-30T00:07:37Z

Chewie: /* Summary */

== Summary ==
12v cigarette plug. Note that the spring has melted into the case. This was only carrying 30v @5A, and everything else about the plug was unharmed - wires were ok, and the 5A fuse did not blow.

Different plugs have different ratings. Most cheap ones are only rated to 8A @ 12V.

You can find better-rated plugs at either 20-25A max (and have copper springs, which might be the reason why they can cope with more power). Once you get to this level of amp requirement, I would recommend switching to a better connector type!

CCCamp 2019 - Chewie's Setup

2021-03-30T00:05:24Z

Chewie: Genasun state updated

I brought the following Solar Panels to site:

* 5 x [https://web.archive.org/web/20150616045041/https://americas.fujielectric.com/sites/default/files/PV%20Module%20Flyer_sm.pdf Fuji F-wave 92w flexible panels] with a converter down to 48v
* 3 x [https://www.amazon.co.uk/Maplin-Monocrystalline-Outdoor-Lightweight-Portable/dp/B0772X1DSH Maplin 30W 12V semi-flexible panels]
* 1 x [http://www.gb-sol.co.uk/ GB-Sol] custom sized 90W semi-flexible panel

The first system was connected to the [https://events.ccc.de/camp/2019/wiki/Village:Infuanfu Infuanfu Village] Tent as I could not bring any structure with me, and my plan was to connect it to any 42v/48v system that was on site.
Sadly, nothing else was running at this voltage, and we did not have any safe way of connecting the system to Infuanfu's existing system, therefore it was just used to charge a LiFePO4 battery from [https://www.powertechsystems.eu/home/products/12v-lithium-battery-pack-powerbrick/100ah-12v-lithium-ion-battery-pack-powerbrick/ PowerTech Systems].

The charge controller was a [https://sunforgellc.com/gv-10/ Genasun 10A] version specifically for Lithium Battery systems, but was used with a car cigarette lighter plug, which was [https://altpwr.net/index.php?title=File:20190822_174525.jpg a bad idea].
On the last day of the camp, I noticed that no power was going into the battery, even after fixing the connectors (using MC4 instead). Either it couldn't cope with 30V@5A, or the temperature (~30-35degC) destroyed it, even though it was under shade. Due to lack of monitoring capabilities etc, I will not be replacing it with the same model (but need to test it when I'm back at home). '''Edit''': It's fucked (technical term), and has no internal fuses to replace.

The second system (Maplin panels) were connected in parallel and then directly to an old 105Ah Lead-Acid Battery with no charge controller, as the battery was in poor condition and needed a lot of charging (if it was still capable).
[[File:St7300usbme.c.jpg|thumb|left|StarTech 7-port USB hub used for charging]]
These worked admirably, and was mainly used to power a [https://transcool.info/ 12V evaporative cooler], and a [https://www.startech.com/UK/Cards-Adapters/USB-3.0/Hubs/~ST7300USBME StarTech USB hub] for lights and charging phones etc. This was chosen due to the wide input voltage (7-48V, although only 9-13V was tested), supposed surge protection and high operating temperature range.
I also warmed (not boiled!) some water on 2 days to pre-heat it for a gas stove to make tea.
Due to the lack of voltage in the battery, I couldn't really use it to charge a laptop via an inverter very often.

The third panel was not used as I didn't have anything to connect it to, and was a slightly different voltage to the Maplin panels.

Charge Controllers

2021-03-30T00:00:41Z

Chewie: MorningStar review URL added

List of Charge Controllers used and whether to recommend them or not. Feel free to add columns on functionality included that would be useful for the project.

== Not Recommended ==

{| class="wikitable sortable"
|-
! Make and Model !! Remote Control? !! Logging || Comments !! used By
|-
| [https://genasun.eu/collections/genasun-lithium-mppts/products/genasun-gv-10-lithium-cv-mppt Genasun GV-10] || None || None || No interface except 1 LED, Poor functionality for the price, no user-replaceable fuse and died during hot weather || [[User:Chewie]]
|-
| [https://www.silentwindgenerator.com/vantagens/ SilentWind Wind & Solar Hybrid Charge Controller] || Bluetooth || None || Physical buttons temperamental, no logging capability, app looks like it was written by a 10 year old, no external Bluetooth aerial, so completely useless when inside a metal container, and range is poor even when outside. [https://www.gogreenit.net/index.php?page=silentwind-400w-marine-wind-turbine Review with associated wind turbine here] || [[User:Chewie]]
|-
| [https://www.western.it/en/products/wrm15-dual-battery/ Western Co WRM15 dualB] || Bluetooth & MODBUS || Not Tested || In theory, a good range of functions. App non-functional, and support have not been helpful - ''"Try another device"'', ''"Try the new version"''. Neither of which has been any use. Have not tried MODBUS connection || [[User:Chewie]]
|-
| [https://www.es.co.th/Schemetic/PDF/TRACER-RN.PDF EPSolar Tracer 1215RN] (discontinued)|| Remote Meter on RJ45 cable || None || Interface poor - 1 button does everything, can't power itself from solar input, so if your batteries are in poor condition, it won't power anything || [[User:Chewie]]
|}

== Not Bad ==
{| class="wikitable sortable"
|-
! Make and Model !! Remote Control? !! Logging || Comments !! used By
|-
| [https://www.morningstarcorp.com/products/tristar-mppt/ts-mppt-60/ Morningstar TS-MPPT-60] || RS-232, RS-485/Modbus, Remote Meter on RJ45 cable, Ethernet || Web GUI, TCP/IP + Windows software, alleged SNMP support || No crappy app, remote meter is good and can be daisy-chained to a second one. The "alleged SNMP" support hasn't been tested yet as the web gui does not allow you to do anything other than add the SNMP Trap server and port. (There are no settings for polling). Web GUI shows current and 90-120 days of historical data, but uses javascript, so not sure how easily it could be scraped yet [https://www.gogreenit.net/index.php?page=morningstar-tristar-60a-mppt Review here]|| [[User:Chewie]]
|-
|}

Wide Range Voltage Equipment

2021-03-28T23:27:41Z

Chewie: Add LCD power meter

This is the start of a list for potential equipment that can handle a wide range of voltages.
I suggest that equipment is selected to have a wide voltage range so that power surges or brownouts don't cause equipment failure.

Please add to the list, mentioning whether you have actually used the equipment, and whether it was any good.

{| class="wikitable sortable"
|-
! Make !! Model !! Type !! Min. Voltage !! Max. Voltage !! Min. Power !! Max. Power !! Comments !! Actually used by
|-
| ? || [https://www.ebay.co.uk/sch/i.html?_nkw=DC+60V+100A+watt+meter Watt Meter] || LCD Display || 0 || 60 || 0A || 100A || LCD Display to show power usage (no logging), useful for troubleshooting, loads of sellers on ebay || [[User:Chewie]]
|-
| StarTech || [https://www.startech.com/uk/Cards-Adapters/USB-3.0/Hubs/~ST7300USBME ST7300USBME] || USB Hub / Charger || 7V || 48V || ? || 350W ? || Worked nicely at [[CCCamp 2019 - Chewie's Setup|CCCamp 2019]]|| [[User:Chewie]]
|-
| SystemBase || [https://www.sysbas.com/en/portfolio-item/sg-2021dilall/ SG-2021DIL] || Serial->LAN Converter || 12V || 48V || 2W || 2W || Other Models are available with more or fewer ports||
|-
| TRENDnet || [https://images-na.ssl-images-amazon.com/images/I/A1cHD8nc9FL.pdf TI-G102 (v1.0R)] || Gigabit Switch || 12V || 56V || 5.76W || 5.76W || 10x 1GB, 2 x SFP, dual power input + alarm ||
|-
| TRENDnet || [https://www.trendnet.com/products/industrial-fiber-switches/TI-PG62B TI-PG62B] || Gigabit Switch || 12V || 56V || 5.76W || 120W || 4x 1GB PoE+, 2 x SPF, dual power input + alarm ||
|-
| Moxa || [https://www.moxa.com/getmedia/5a5f5549-492c-4f37-ab04-9380399b8b59/moxa-eds-2008-el-series-datasheet-v1.2.pdf EDS-2008-EL] || Ethernet Switch || 9.6V || 60V || 3W || 3W || 8x Fast Ethernet or 1x Multi-Mode + 7FE, dual power input + alarm
|-
| Mikrotik || [https://mikrotik.com/product/rb450gx4 RB-450Gx4] || PoE Gigabit Router || 10V || 57V || 4W || 16W || 5x 1Gb (1x 802.3at in, 1x PoE passthrough), 1x RS232, 2x DC input. 4x716MHz, 1G RAM, 512M Flash || [[User:Teun]]
|-
| Meanwell || [https://www.meanwell.com/Upload/PDF/SD-350/SD-350-SPEC.PDF SD-350C] || DC-DC Converter || 36V || 72V || 5W? || 350W || 1x 4.5~5.5V/60A, 11~16V/27.5A, 23~30V/14.6A or 43~53V/7.3A output || [[User:Teun]]
|-
| Meanwell || [https://www.meanwell.com/Upload/PDF/LDD-H/LDD-H-SPEC.PDF LDD-H series] || DC-DC LED Driver || 9V || 56V || 2W || 56W || Models with 300~1000mA CC, Vout: 2V~(Vin-3V). PWM (open collector/5V) in: 0.1~1KHz ||
|-
| Victron || [https://www.victronenergy.com/upload/documents/Datasheet-Orion-Tr-DC-DC-converters-isolated-100-250-400W-EN.pdf Orion-TR 48] || DC-DC Converter || 32V || 70V || 5W || 320W || Models with 10~15V, 20~30V, 40~60V Isolated ||
|-
| Victron || [https://www.victronenergy.com/upload/documents/MultiPlus-II-to-MultiGrid-and-MultiPlus-comparison-EN.pdf Multiplus/-grid] || DC-AC Inverter/Charger || 38V || 66V || 25W || 5000W || Inverter/Charger with grid synchronisation || [[User:Teun]]
|}

Charge Controllers

2021-03-26T18:58:16Z

Chewie:

List of Charge Controllers used and whether to recommend them or not. Feel free to add columns on functionality included that would be useful for the project.

== Not Recommended ==

{| class="wikitable sortable"
|-
! Make and Model !! Remote Control? !! Logging || Comments !! used By
|-
| [https://genasun.eu/collections/genasun-lithium-mppts/products/genasun-gv-10-lithium-cv-mppt Genasun GV-10] || None || None || No interface except 1 LED, Poor functionality for the price, no user-replaceable fuse and died during hot weather || [[User:Chewie]]
|-
| [https://www.silentwindgenerator.com/vantagens/ SilentWind Wind & Solar Hybrid Charge Controller] || Bluetooth || None || Physical buttons temperamental, no logging capability, app looks like it was written by a 10 year old, no external Bluetooth aerial, so completely useless when inside a metal container, and range is poor even when outside. [https://www.gogreenit.net/index.php?page=silentwind-400w-marine-wind-turbine Review with associated wind turbine here] || [[User:Chewie]]
|-
| [https://www.western.it/en/products/wrm15-dual-battery/ Western Co WRM15 dualB] || Bluetooth & MODBUS || Not Tested || In theory, a good range of functions, app non-functional, and support have not been helpful - ''"Try another device"'', ''"Try the new version"''. Neither of which has been any use. Have not tried MODBUS connection || [[User:Chewie]]
|-
| [https://www.es.co.th/Schemetic/PDF/TRACER-RN.PDF EPSolar Tracer 1215RN] (discontinued)|| Remote Meter on RJ45 cable || None || Interface poor - 1 button does everything, can't power itself from solar input, so if your batteries are in poor condition, it won't power anything || [[User:Chewie]]
|}

== Not Bad ==
{| class="wikitable sortable"
|-
! Make and Model !! Remote Control? !! Logging || Comments !! used By
|-
| [https://www.morningstarcorp.com/products/tristar-mppt/ts-mppt-60/ Morningstar TS-MPPT-60] || RS-232, RS-485/Modbus, Remote Meter on RJ45 cable, Ethernet || Web GUI, TCP/IP + Windows software, alleged SNMP support || No crappy app, remote meter is good and can be daisy-chained to a second one. The "alleged SNMP" support hasn't been tested yet as the web gui does not allow you to do anything other than add the SNMP Trap server and port. (There are no settings for polling). Web gui shows current and 90-120 days of historical data, but uses javascript, so not sure how easily it could be scraped yet || [[User:Chewie]]
|-
|}

Failures

2021-01-23T18:14:15Z

Chewie: Created page with "== Equipment Failure == === User:Chewie: [https://www.dewalt.com/products/accessories/batteries-and-chargers/chargers/12v-max--20v-max-lithium-ion-vehicle-battery-charger..."

== Equipment Failure ==

=== [[User:Chewie]]: [https://www.dewalt.com/products/accessories/batteries-and-chargers/chargers/12v-max--20v-max-lithium-ion-vehicle-battery-charger/dcb119 Dewalt 12v battery charger DCB119] ===
One of the reasons for choosing Dewalt equipment was that an official 12V charger was available, however, the device is poor quality.

2 x 2AH batteries were charged from a LiFePO4 Solar system from empty. Both charged fine, and were useable. However, once the batteries were drained, they would not charge at all, either via this charger or a mains charger. Luckily the batteries were under warranty and I was able to get replacements. This is pretty poor as the batteries were in good condition. A third battery that was bought at the same time as the first 2 has never been charged from the Solar System, and it is still in good condition a year later. I don't understand how it could have broken them, as the voltage was never over 14V.

=== [[User:Chewie]]: Not all 12V lighter plugs are the same ===
Although 12V Cigarette Lighter plugs and sockets should be able to take 20A @ 12V no problem, it seems that cheaper ones can only cope with 8A. If this is the case, usually the spring that holds the fuse and positive (middle) terminal gets too warm and melts into the plastic ([https://altpwr.net/index.php?title=File:20190822_174525.jpg example]).

Better quality ones seem to have copper springs instead and are made of a harder shiny plastic. If a rating is not mentioned by the seller, expect it to only cope with 8A

Main Page

2021-01-23T18:00:08Z

Chewie: /* THINGS */

[[File:Image solarcells.jpg|400px|thumb|right|Solar Cells at the CCCamp 2019]]
We're an '''international group''' of people '''working on DC microgrid technology'''. We've been present at multiple Chaos camps and events, under different names like '''AltPwr''', '''EventGrid''', etc.

Our aim is to '''build technology and methods to connect small autonomous energy systems via DC microgrids''', to allow them to share energy production, storage and usage resource. We also want to provide the means to measure, monitor and visualize power consumption on regular AC grids and DC microgrids to create awareness on power usage and potential improvements.

= Participation =

If you have any ideas, want to share cool solutions or help out developing hardware or software:

* Setup an account (top right) and create pages, fix errors, discuss on discussion tabs, all very welcome!
* Use the telegram group.

'''IMPORTANT:''' Right now we need to improve the communication channels and connections with others like [https://hacc.uber.space/ Hackers against Climate Change]. If you would like to help send a mail to trailblazr(at)noxymo.com I will soon update the most recent info here. (Updated: 17th of Sep 2019)

== Telegram Group ==

Join our [https://t.me/joinchat/D2v4lRe3eQX4MuYHo2JdpQ group on Telegram]

== Social Media ==

Please use the twitter hash tag '''#eventgrid''' when referring to this workgroup. It is still a working title right now.

= Take part in the Survey! =

On CCCamp we had 5000 participants needing electrical power. To improve our future power grid we would like to ask you a few questions in regard to your personal use of power. Please take a few minutes to answer the anonymous survey and help us green the grid.

'''<big>→ [https://www.surveylegend.com/s/1obe Infrastructure Survey] ←</big>'''

[[File:Qr code survey.png|thumb|left|QR Code for Survey Participation]] 

= News =

We are right now preparing a summary of the activities aiming to '''reboot the whole power stack as a green power network''' which happened on the CCCamp 2019. Here re the most recent activities and results...

* We have a survey online we would like you to fill in. [https://www.surveylegend.com/s/1obe Check it out!]
* Part of the Infrastructure Review
* Our main bulletpoints summed up on a slide

== TL;DR ==

* WE ARE [[EventGrid]], JOIN US NOW to work on the '''next generation green power grid*!'''
* '''48V / 300-400V DC Power Grid''' to connect remote villages which have their own local microgrids.
* '''48V DC Power Outlet''' (2 lines + 1 token ring data bus for Outlet Load Balancing)
* '''Power Meters (for villages; 300-400V)''' for better visualization & awareness of consumption
* '''Power Meters (for participants; 48V)''' for logging 24x7, visualization & awareness of consumption
* '''Poll/Questionnaire'''-driven insights on '''power consumption''' of event/village/participant
* '''Gamification Concept''' to trigger more power input & power storage
* '''Public Relations''' activity for transparency & promotion of more green activity

'''WE MET HERE DURING CCCAMP'''
* Our Camp Sessions '''every day 1600''' at [https://events.ccc.de/camp/2019/wiki/Village:Three_Headed_Monkey THM Village] / Lagerfeuer

== Some existing very low voltage standards to exchange power ==
* USB (5V, 2A) (10W)
* USB PD 1.0 (5V/2A, 12V/5A, 20V/5A) (100W)
* USB PD 3.2 (5…[ + 0.02 steps ]…20 V) 5A (100W)
* PoE …57V …100W

== What we plan to do ==

'''Following things are right now our focus and work in progress:'''

# A new technical approach to bootstrap '''[[EventGrid]] a new DC Power Network''' for running power networks on events like SHA and CCCamp in an environmentally friendly way (to be developed!)
# We want to raise awareness by making '''power consumption more transparent''' using a new power meter (to be developed!)
# We want to make it easy for single event participants to gain insight in one's own power consumption patterns by providing a '''DIY power meter hardware KIT''' to display/visualize and log power consumption (to be developed!)
# We want to gather research data from CCCamp participants on certain important questions setting up a '''poll/questionaire''' (to be developed!)
# We want add '''gamification to incentivize green power stacks''' (to be developed!) on future events like SHA, EMF, CCCamp, etc.
# We want to keep the community updated what we do and to which '''degree''' the community '''already reached''' their goal to shift the whole power stack towards a '''green power stack'''. We will do this with e.g. photos, statistics, proof-of-concept-installations and more...

== AltPwr / EventGrid at Chaos Events ==
=== SHA2017 and prior ===
Take a look at [[History]]

===CCCamp 2019 ===
Reignition as EventGrid. See [[CCCamp 2019]] for more details.

=== rC3 (2020) ===
[[User:Tiefpunkt|tiefpunkt]] organised two virtual meetups during the [https://rc3.world/rc3/ Remote Chaos Experience], December 2020.
Meeting minutes:
* [[20201228 rC3 Meetup]]
* [[20201229 rC3 Meetup]]

== Links ==

* [https://hacc.uber.space/ Hackers against Climate Change] (Wikipage)
* [https://libre.solar/ Libre Solar] (Web Page)

= The battery balancer =

Some people at the camp were handed out [[Lithium_batteries|balancers kits]].

= THINGS =

*) We know bringing all this heavy equipment is not helping keeping down CO2 much, but the idea is mostly about giving people the opportunity to get hands-on experience on building green solutions. This experience will hopefully lead to more permanent green solutions in other places.

''P.S.: At least we hope to add a new twist to the existing, currently in operation solution...''

[[File:Image breedenord.jpg|400px|thumb|left]]
If you have some useful DC-powered equipment, list them [[Wide Range Voltage Equipment|here]].

If you have used general equipment, please review them and add a link here
* [[Charge Controllers]]

== Equipment Reviews/Recommendations wanted ==
* Bidirectional DC-DC Charge Controllers
* DC-powered kitchen equipment

Have you successfully converted equipment to work directly from DC without inverters etc? If so, please list them [[Devices converted from AC to DC|here]] with instructions about the conversion process!

=== [[Failures]] ===
It is also important to list what didn't work and why, so people don't waste their time or break their own equipment!

Wide Range Voltage Equipment

2021-01-20T00:22:51Z

Chewie:

This is the start of a list for potential equipment that can handle a wide range of voltages.
I suggest that equipment is selected to have a wide voltage range so that power surges or brownouts don't cause equipment failure.

Please add to the list, mentioning whether you have actually used the equipment, and whether it was any good.

{| class="wikitable sortable"
|-
! Make !! Model !! Type !! Min. Voltage !! Max. Voltage !! Min. Power !! Max. Power !! Comments !! Actually used by
|-
| StarTech || [https://www.startech.com/uk/Cards-Adapters/USB-3.0/Hubs/~ST7300USBME ST7300USBME] || USB Hub / Charger || 7V || 48V || ? || 350W ? || Worked nicely at [[CCCamp 2019 - Chewie's Setup|CCCamp 2019]]|| [[User:Chewie]]
|-
| SystemBase || [https://www.sysbas.com/en/portfolio-item/sg-2021dilall/ SG-2021DIL] || Serial->LAN Converter || 12V || 48V || 2W || 2W || Other Models are available with more or fewer ports||
|-
| TRENDnet || [https://images-na.ssl-images-amazon.com/images/I/A1cHD8nc9FL.pdf TI-G102 (v1.0R)] || Gigabit Switch || 12V || 56V || 5.76W || 5.76W || 10x 1GB, 2 x SFP, dual power input + alarm ||
|-
| TRENDnet || [https://www.trendnet.com/products/industrial-fiber-switches/TI-PG62B TI-PG62B] || Gigabit Switch || 12V || 56V || 5.76W || 120W || 4x 1GB PoE+, 2 x SPF, dual power input + alarm ||
|-
| Moxa || [https://www.moxa.com/getmedia/5a5f5549-492c-4f37-ab04-9380399b8b59/moxa-eds-2008-el-series-datasheet-v1.2.pdf EDS-2008-EL] || Ethernet Switch || 9.6V || 60V || 3W || 3W || 8x Fast Ethernet or 1x Multi-Mode + 7FE, dual power input + alarm
|-
| Mikrotik || [https://mikrotik.com/product/rb450gx4 RB-450Gx4] || PoE Gigabit Router || 10V || 57V || 4W || 16W || 5x 1Gb (1x 802.3at in, 1x PoE passthrough), 1x RS232, 2x DC input. 4x716MHz, 1G RAM, 512M Flash || [[User:Teun]]
|-
| Meanwell || [https://www.meanwell.com/Upload/PDF/SD-350/SD-350-SPEC.PDF SD-350C] || DC-DC Converter || 36V || 72V || 5W? || 350W || 1x 4.5~5.5V/60A, 11~16V/27.5A, 23~30V/14.6A or 43~53V/7.3A output || [[User:Teun]]
|-
| Meanwell || [https://www.meanwell.com/Upload/PDF/LDD-H/LDD-H-SPEC.PDF LDD-H series] || DC-DC LED Driver || 9V || 56V || 2W || 56W || Models with 300~1000mA CC, Vout: 2V~(Vin-3V). PWM (open collector/5V) in: 0.1~1KHz ||
|-
| Victron || [https://www.victronenergy.com/upload/documents/Datasheet-Orion-Tr-DC-DC-converters-isolated-100-250-400W-EN.pdf Orion-TR 48] || DC-DC Converter || 32V || 70V || 5W || 320W || Models with 10~15V, 20~30V, 40~60V Isolated ||
|-
| Victron || [https://www.victronenergy.com/upload/documents/MultiPlus-II-to-MultiGrid-and-MultiPlus-comparison-EN.pdf Multiplus/-grid] || DC-AC Inverter/Charger || 38V || 66V || 25W || 5000W || Inverter/Charger with grid synchronisation || [[User:Teun]]
|-
| Example || Example || Example || Example || Example || Example || Example || Example
|}

Main Page

2021-01-20T00:19:06Z

Chewie: /* THINGS */

[[File:Image solarcells.jpg|400px|thumb|right|Solar Cells at the CCCamp 2019]]
We're an '''international group''' of people '''working on DC microgrid technology'''. We've been present at multiple Chaos camps and events, under different names like '''AltPwr''', '''EventGrid''', etc.

Our aim is to '''build technology and methods to connect small autonomous energy systems via DC microgrids''', to allow them to share energy production, storage and usage resource. We also want to provide the means to measure, monitor and visualize power consumption on regular AC grids and DC microgrids to create awareness on power usage and potential improvements.

= Participation =

If you have any ideas, want to share cool solutions or help out developing hardware or software:

* Setup an account (top right) and create pages, fix errors, discuss on discussion tabs, all very welcome!
* Use the telegram group.

'''IMPORTANT:''' Right now we need to improve the communication channels and connections with others like [https://hacc.uber.space/ Hackers against Climate Change]. If you would like to help send a mail to trailblazr(at)noxymo.com I will soon update the most recent info here. (Updated: 17th of Sep 2019)

== Telegram Group ==

Join our [https://t.me/joinchat/D2v4lRe3eQX4MuYHo2JdpQ group on Telegram]

== Social Media ==

Please use the twitter hash tag '''#eventgrid''' when referring to this workgroup. It is still a working title right now.

= Take part in the Survey! =

On CCCamp we had 5000 participants needing electrical power. To improve our future power grid we would like to ask you a few questions in regard to your personal use of power. Please take a few minutes to answer the anonymous survey and help us green the grid.

'''<big>→ [https://www.surveylegend.com/s/1obe Infrastructure Survey] ←</big>'''

[[File:Qr code survey.png|thumb|left|QR Code for Survey Participation]] 

= News =

We are right now preparing a summary of the activities aiming to '''reboot the whole power stack as a green power network''' which happened on the CCCamp 2019. Here re the most recent activities and results...

* We have a survey online we would like you to fill in. [https://www.surveylegend.com/s/1obe Check it out!]
* Part of the Infrastructure Review
* Our main bulletpoints summed up on a slide

== TL;DR ==

* WE ARE [[EventGrid]], JOIN US NOW to work on the '''next generation green power grid*!'''
* '''48V / 300-400V DC Power Grid''' to connect remote villages which have their own local microgrids.
* '''48V DC Power Outlet''' (2 lines + 1 token ring data bus for Outlet Load Balancing)
* '''Power Meters (for villages; 300-400V)''' for better visualization & awareness of consumption
* '''Power Meters (for participants; 48V)''' for logging 24x7, visualization & awareness of consumption
* '''Poll/Questionnaire'''-driven insights on '''power consumption''' of event/village/participant
* '''Gamification Concept''' to trigger more power input & power storage
* '''Public Relations''' activity for transparency & promotion of more green activity

'''WE MET HERE DURING CCCAMP'''
* Our Camp Sessions '''every day 1600''' at [https://events.ccc.de/camp/2019/wiki/Village:Three_Headed_Monkey THM Village] / Lagerfeuer

== Some existing very low voltage standards to exchange power ==
* USB (5V, 2A) (10W)
* USB PD 1.0 (5V/2A, 12V/5A, 20V/5A) (100W)
* USB PD 3.2 (5…[ + 0.02 steps ]…20 V) 5A (100W)
* PoE …57V …100W

== What we plan to do ==

'''Following things are right now our focus and work in progress:'''

# A new technical approach to bootstrap '''[[EventGrid]] a new DC Power Network''' for running power networks on events like SHA and CCCamp in an environmentally friendly way (to be developed!)
# We want to raise awareness by making '''power consumption more transparent''' using a new power meter (to be developed!)
# We want to make it easy for single event participants to gain insight in one's own power consumption patterns by providing a '''DIY power meter hardware KIT''' to display/visualize and log power consumption (to be developed!)
# We want to gather research data from CCCamp participants on certain important questions setting up a '''poll/questionaire''' (to be developed!)
# We want add '''gamification to incentivize green power stacks''' (to be developed!) on future events like SHA, EMF, CCCamp, etc.
# We want to keep the community updated what we do and to which '''degree''' the community '''already reached''' their goal to shift the whole power stack towards a '''green power stack'''. We will do this with e.g. photos, statistics, proof-of-concept-installations and more...

== AltPwr / EventGrid at Chaos Events ==
=== SHA2017 and prior ===
Take a look at [[History]]

===CCCamp 2019 ===
Reignition as EventGrid. See [[CCCamp 2019]] for more details.

=== rC3 (2020) ===
[[User:Tiefpunkt|tiefpunkt]] organised two virtual meetups during the [https://rc3.world/rc3/ Remote Chaos Experience], December 2020.
Meeting minutes:
* [[20201228 rC3 Meetup]]
* [[20201229 rC3 Meetup]]

== Links ==

* [https://hacc.uber.space/ Hackers against Climate Change] (Wikipage)
* [https://libre.solar/ Libre Solar] (Web Page)

= The battery balancer =

Some people at the camp were handed out [[Lithium_batteries|balancers kits]].

= THINGS =

*) We know bringing all this heavy equipment is not helping keeping down CO2 much, but the idea is mostly about giving people the opportunity to get hands-on experience on building green solutions. This experience will hopefully lead to more permanent green solutions in other places.

''P.S.: At least we hope to add a new twist to the existing, currently in operation solution...''

[[File:Image breedenord.jpg|400px|thumb|left]]
If you have some useful DC-powered equipment, list them [[Wide Range Voltage Equipment|here]].

If you have used general equipment, please review them and add a link here
* [[Charge Controllers]]

== Equipment Reviews/Recommendations wanted ==
* Bidirectional DC-DC Charge Controllers
* DC-powered kitchen equipment

Have you successfully converted equipment to work directly from DC without inverters etc? If so, please list them [[Devices converted from AC to DC|here]] with instructions about the conversion process!

Charge Controllers

2021-01-20T00:09:04Z

Chewie: Created page with "List of Charge Controllers used and whether to recommend them or not. Feel free to add columns on functionality included that would be useful for the project. == Not Recomme..."

20201228 rC3 Meetup

2021-01-19T23:40:00Z

Chewie: typo

[https://rc3.world/rc3/event/eventgrid-dc-micro-grid-meetup/ EventGrid // DC MicroGrid Meetup Day 2]

== Introductions ==
* Severin //tiefpunkt: https://wiki.munichmakerlab.de/wiki/DC_Microgrid
* Chewie: playing around with some gear that accumulated. Panels on the house, some EP.. controller. Looking at LibreSolar controllers
** Charge Controller - https://www.western.it/en/products/wrm15-dual-battery/ - looks good, but android app is useless, and their support is not helpful in fixing the problem. comments in the Italian play store also say it doesn't work, and has a poor rating.

* bitsandbytes: interested in how camp solves power
* mc_leeck: interested mostly in motors, but looking at the power side of things as well
* cfr34k: interested in ren. energy, esp. solar power. had built an mppt charger (12V,50W).
** not really documented, but would build it similar to the LibreSolar MPPT 12V 10A device (see below)
* HeNeArXn: just checking in what has happened

notes from camp:
https://altpwr.net/index.php?title=Main_Page#CCCamp_2019

interesting MPPT modules: https://libre.solar/devices/mppt-1210-hus/

== DIY Charge Controllers ==
tiefpunkt found these projects by OpenGreenEnergy:
* https://www.instructables.com/ARDUINO-SOLAR-CHARGE-CONTROLLER-PWM/
* https://www.instructables.com/ARDUINO-SOLAR-CHARGE-CONTROLLER-Version-20/
* https://www.instructables.com/ARDUINO-SOLAR-CHARGE-CONTROLLER-Version-30/

== "old" altPwr Team ==
[[User:Benadski|Benadski]] and doktorbob
* Old Website was interesting, but seems gone
* Maybe restore it somehow?

== DC Power Meters ==
tiefpunkt talks about GC-90 power meters, which are fairly cheap and easy to use DC power meters out of China, that can be read out using a TTL interface
* [https://github.com/tiefpunkt/gc9x-reader Python example]
* [https://github.com/tiefpunkt/gc9x-reader Arduino code]
* [https://github.com/makervan/powermeter-lorawan-connector PCB & Firmware to transmit readings via LoRaWAN]

== LiPo Batteries ==
tiefpunkt shows 7S LiPo board (sort-of matches 24V lead) -> https://wiki.munichmakerlab.de/wiki/24V_18650_LiIon_Battery_System

=== MCH2021 ===
Camp in Netherlands - [https://mch2021.org/ Website] - Tickets available
* Do a village or cluster close together so we can test our setups
* [[User:Benadski|Benadski]] involved in the power grid
* There are plans to power it from the grid: [https://mch2021.org/#/Blog/power-to-the-field-how-to-get-renewable-energy-on-the-terrain blog post]

[[Category:Meeting Minutes]]

User:Chewie

2021-01-19T23:34:09Z

Chewie:

RC3

2020-12-29T18:04:09Z

Chewie: 2nd meetup notes, day 3 of CCC

== First Meeting - Day 2 (2020-12-28) ==

[https://rc3.world/rc3/event/eventgrid-dc-micro-grid-meetup/ EventGrid // DC MicroGrid Meetup Day 2]

* Severin //tiefpunkt: https://wiki.munichmakerlab.de/wiki/DC_Microgrid
* Chewie: playing around with some gear that accumulated. Panels on the house, some EP.. controller. Looking at LibreSolar controllers
Charge Controller - https://www.western.it/en/products/wrm15-dual-battery/ - looks good, but android app is useless, and their support is not helpful in fixing the problem. comments in the Italian play store also say it doesn't work, and has a poor rating.

* bitsandbytes: interested in how camp solves power
* mc_leeck: interested mostly in motors, but looking at the power side of things as well
* cfr34k: interested in ren. energy, esp. solar power. had built an mppt charger (12V,50W).
** not really documented, but would build it similar to the LibreSolar MPPT 12V 10A device (see below)
* HeNeArXn: just checking in what has happened

notes from camp:
https://altpwr.net/index.php?title=Main_Page#CCCamp_2019

interesting MPTT modules: https://libre.solar/devices/mppt-1210-hus/

Projects by OpenGreenEnergy:
https://www.instructables.com/ARDUINO-SOLAR-CHARGE-CONTROLLER-PWM/
https://www.instructables.com/ARDUINO-SOLAR-CHARGE-CONTROLLER-Version-20/
https://www.instructables.com/ARDUINO-SOLAR-CHARGE-CONTROLLER-Version-30/

[[User:Benadski|Benadski]] and doktorbob
* Old Website was interesting, but seems gone
*

tiefpunkt talks about GC-90 power meters
https://github.com/tiefpunkt/gc9x-reader
https://github.com/makervan/powermeter-lorawan-connector
shows 7S LiPo board (sort-of matches 24V lead)

=== [https://mch2021.org/ MCH 2021] ===
* Do a village or cluster close together so we can test our setups
* [[User:Benadski|Benadski]] involved in the power grid

== Second Meeting - Day 3 (2020-12-29) ==

[https://rc3.world/rc3/event/eventgrid-dc-micro-grid-meetup-day-3/ EventGrid // DC MicroGrid Meetup Day 3]

* Martin: Libre Solar
** DC Grid for Rural electrification
-> today: tiny home systems, >=50W, usually proprietary
-> Interconnect those systems?
* Test run in UK, w/ 4 participants
* Project planned in Ruanda
* Some of the developments are supposed to go back into Libre Solar
* Solar charger 12V/24V, grid 48V
* Working on new version of the [https://github.com/LibreSolar/mppt-2420-hc 20A controller], potentially available ready built then. ETA maybe Jan/Feb 2021 - Martin will post costs in Telegram channel if anyone would like to order one. The more orders, the cheaper it will be, although there is no minimum order.
Plans for a bigger charge controller (120V input) for wind generators (https://windempowerment.com/) -> Send a message to Martin if you want to be involved
* Has some 400WH second-hand e-scooter batteries he wants to use but has not had time yet.

hk: modular battery based on 18650s in euroboxes, with DC-DC charge controllers for each box. Has a lot of 18650 batteries for use in a battery system.

DC-DC usually one low-voltage side, one high-voltage side, so it's easer to have a 48V grid with a 24V battery. Adapting a 48V battery to a 48V grid is much harder.

DC-DC-Converter by Zoe and Elen
https://fully.automated.ee/raccoon.html
https://twitter.com/tachiniererin/status/1343955837258248192

[https://festivalgrid.org/ Festival Grid] - Power metering using tasmota-compatible smart home devices. Might be also possible for 48VDC

Old AltPwr Website
* http://altpwr-archive.tiefpunkt.com/user-information/
* https://github.com/tiefpunkt/altpwr.net-archive

Monthly/bimonthly meetings to prep for MCH
* Make a list of stuff people can bring
* tiefpunkt will set something up and post it in the telegram group

Open source DC-DC converter for "small" power sources

Portable power-mesh nodes
* based on hk's battery modules
* Goal Zero Yeti do some "meshing" which is more a daisy chaining, but isn't very efficient. The systems do communication between each other, probably via the charging cable.

Jeremail: Has a small setup with multiple dc-dc-converters
Could e-bike batteries be used so that an entirely new battery system does not need to be created and the focus can be on connectivity and DC-DC converters/chargers etc?
Bought a few hundred bosch lawnmower 9s2p battery packs, and have no BMS!

ecki: done own BMS, started PWM DC-DC Controller, using same TI chip as libre.solar, slightly smaller in terms of power.

RC3

2020-12-29T17:05:21Z

Chewie:

RC3

2020-12-28T23:35:46Z

Chewie: /* First Meeting - Day 2 (2020-12-28) */

== First Meeting - Day 2 (2020-12-28) ==

# EventGrid // DC MicroGrid Meetup Day 2

* Severin //tiefpunkt: https://wiki.munichmakerlab.de/wiki/DC_Microgrid
* Chewie: playing around with some gear that accumulated. Panels on the house, some EP.. controller. Looking at LibreSolar controllers
Charge Controller - https://www.western.it/en/products/wrm15-dual-battery/ - looks good, but android app is useless, and their support is not helpful in fixing the problem. Other people in the italian play store also say it doesn't work.

* bitsandbytes: interested in how camp solves power
* mc_leeck: interested mostly in motors, but looking at the power side of things as weel
* cfr34k: interested in ren. energy, esp. solar power. had built an mppt charger (12V,50W).
** not really documented, but would build it similar to the LibreSolar MPPT 12V 10A device (see below)
* HeNeArXn: just checking in what has happend

notes from camp:
https://altpwr.net/index.php?title=Main_Page#CCCamp_2019

interesting MPTT modules: https://libre.solar/devices/mppt-1210-hus/

Projects by OpenGreenEnergy:
https://www.instructables.com/ARDUINO-SOLAR-CHARGE-CONTROLLER-PWM/
https://www.instructables.com/ARDUINO-SOLAR-CHARGE-CONTROLLER-Version-20/
https://www.instructables.com/ARDUINO-SOLAR-CHARGE-CONTROLLER-Version-30/

[[User:Benadski|Benadski]] and doktorbob
* Old Website was interesting, but seems gone
*

tiefpunkt talks about GC-90 power meters
https://github.com/tiefpunkt/gc9x-reader
https://github.com/makervan/powermeter-lorawan-connector
shows 7S LiPo board (sort-of matches 24V lead)

== [https://mch2021.org/ MCH 2021] ==
* Do a village or cluster close together so we can test our setups
* [[User:Benadski|Benadski]] involved in the power grid

RC3

2020-12-28T22:17:12Z

Chewie: Created page with "== First Meeting - Day 2 (2020-12-28) == # EventGrid // DC MicroGrid Meetup Day 2 * Severin //tiefpunkt: https://wiki.munichmakerlab.de/wiki/DC_Microgrid * Chewie: playing a..."

== First Meeting - Day 2 (2020-12-28) ==

# EventGrid // DC MicroGrid Meetup Day 2

* Severin //tiefpunkt: https://wiki.munichmakerlab.de/wiki/DC_Microgrid
* Chewie: playing around with some gear that accumulated. Panels on the house, some EP.. controller. Looking at LibreSolar controllers
Charge Controller - https://www.western.it/en/products/wrm15-dual-battery/ - looks good, but android app is useless, and their support is not helpful in fixing the problem. Other people in the italian play store also say it doesn't work.

* bitsandbytes: interested in how camp solves power
* mc_leeck: interested mostly in motors, but looking at the power side of things as weel
* cfr34k: interested in ren. energy, esp. solar power. had built an mppt charger (12V,50W).
** not really documented, but would build it similar to the LibreSolar MPPT 12V 10A device (see below)
* HeNeArXn: just checking in what has happend

notes from camp:
https://altpwr.net/index.php?title=Main_Page#CCCamp_2019

interesting MPTT modules: https://libre.solar/devices/mppt-1210-hus/

Projects by OpenGreenEnergy:
https://www.instructables.com/ARDUINO-SOLAR-CHARGE-CONTROLLER-PWM/
https://www.instructables.com/ARDUINO-SOLAR-CHARGE-CONTROLLER-Version-20/
https://www.instructables.com/ARDUINO-SOLAR-CHARGE-CONTROLLER-Version-30/

Benadski and Dr Bob
* Old Website was interesting, but seems gone
*

tiefpunkt talks about GC-90 power meters
https://github.com/tiefpunkt/gc9x-reader
https://github.com/makervan/powermeter-lorawan-connector
shows 7S LiPo board (sort-of matches 24V lead)

== [https://mch2021.org/ MCH 2021] ==
* Do a village or cluster close together so we can test our setups
* [[User:Benadski|Benadski]] involved in the power grid

Main Page

2020-12-28T18:25:32Z

Chewie: add rC3 meetings

[[File:Image solarcells.jpg|400px|thumb|right|Solar Cells at the CCCamp 2019]]
= Participation =

If you have any ideas, want to share cool solutions or help out developing hardware or software:

* Setup an account (top right) and create pages, fix errors, discuss on discussion tabs, all very welcome!
* Use the telegram group.

'''IMPORTANT:''' Right now we need to improve the communication channels and connections with others like [https://hacc.uber.space/ Hackers against Climate Change]. If you would like to help send a mail to trailblazr(at)noxymo.com I will soon update the most recent info here. (Updated: 17th of Sep 2019)

== List of participants ==

We provide a list of participants to get in contact with each other after the camp. Please create a wiki account and add yourself to be included into updates (we will check changes to this list regularly).

{| class="wikitable sortable"
|-
! Nickname !! E-Mail !! Comment
|-
| '''[[User:trailblazr]] / blazr''' || trailblazr@noxymo.com || Representing Workgroup on CCCamp 2019
|-
| [[User:Benadski]] || mynick(at)gmail(dot)com || Developed the grid for SHA
|-
| [[User:Chewie]] || mail || altpwr groupie
|-
| [[User:Teun]] || mail || comment
|-
| [[User:Jule]] || mail || comment
|-
| [[User:Thejeremail]] || mail || comment
|-
| [[User:emergy]] || mail || comment
|-
| [[User:Raphael]] || mail || comment
|-
| [[User:Maesto]] || mail || comment
|-
| [[User:Tiefpunkt]] || altpwr(at)tiefpunkt(dot)com || Initiated Microgrid project at CCCamp2019 (with people from Infuanfu and /dev/lol)
|-
| [[User:Jackie]] || c3 at chaosfield dot at || comment
|-
| [[User:Obri]] || obri at chaostreff dot ch || comment
|-
| [[User:Fraxinas]] || altpwr@repairfox.de || comment
|-
| [[User:unknown]] || mail ||
|}

== Telegram Group ==

Join our [https://t.me/joinchat/D2v4lRe3eQX4MuYHo2JdpQ group on Telegram]

== Social Media ==

Please use the twitter hash tag '''#eventgrid''' when referring to this workgroup. It is still a working title right now.

= Take part in the Survey! =

On CCCamp we had 5000 participants needing electrical power. To improve our future power grid we would like to ask you a few questions in regard to your personal use of power. Please take a few minutes to answer the anonymous survey and help us green the grid.

'''<big>→ [https://www.surveylegend.com/s/1obe Infrastructure Survey] ←</big>'''

[[File:Qr code survey.png|thumb|left|QR Code for Survey Participation]] 

= News =

We are right now preparing a summary of the activities aiming to '''reboot the whole power stack as a green power network''' which happened on the CCCamp 2019. Here re the most recent activities and results...

* We have a survey online we would like you to fill in. [https://www.surveylegend.com/s/1obe Check it out!]
* Part of the Infrastructure Review
* Our main bulletpoints summed up on a slide

== TL;DR ==

* WE ARE [[EventGrid]], JOIN US NOW to work on the '''next generation green power grid*!'''
* '''48V / 300-400V DC Power Grid''' to connect remote villages which have their own local microgrids.
* '''48V DC Power Outlet''' (2 lines + 1 token ring data bus for Outlet Load Balancing)
* '''Power Meters (for villages; 300-400V)''' for better visualization & awareness of consumption
* '''Power Meters (for participants; 48V)''' for logging 24x7, visualization & awareness of consumption
* '''Poll/Questionnaire'''-driven insights on '''power consumption''' of event/village/participant
* '''Gamification Concept''' to trigger more power input & power storage
* '''Public Relations''' activity for transparency & promotion of more green activity

'''WE MET HERE DURING CCCAMP'''
* Our Camp Sessions '''every day 1600''' at [https://events.ccc.de/camp/2019/wiki/Village:Three_Headed_Monkey THM Village] / Lagerfeuer

== Some existing very low voltage standards to exchange power ==
* USB (5V, 2A) (10W)
* USB PD 1.0 (5V/2A, 12V/5A, 20V/5A) (100W)
* USB PD 3.2 (5…[ + 0.02 steps ]…20 V) 5A (100W)
* PoE …57V …100W

== What we plan to do ==

'''Following things are right now our focus and work in progress:'''

# A new technical approach to bootstrap '''[[EventGrid]] a new DC Power Network''' for running power networks on events like SHA and CCCamp in an environmentally friendly way (to be developed!)
# We want to raise awareness by making '''power consumption more transparent''' using a new power meter (to be developed!)
# We want to make it easy for single event participants to gain insight in one's own power consumption patterns by providing a '''DIY power meter hardware KIT''' to display/visualize and log power consumption (to be developed!)
# We want to gather research data from CCCamp participants on certain important questions setting up a '''poll/questionaire''' (to be developed!)
# We want add '''gamification to incentivize green power stacks''' (to be developed!) on future events like SHA, EMF, CCCamp, etc.
# We want to keep the community updated what we do and to which '''degree''' the community '''already reached''' their goal to shift the whole power stack towards a '''green power stack'''. We will do this with e.g. photos, statistics, proof-of-concept-installations and more...

== Infocard for Infobeamer ==

[[File:CCCamp19_Infobeamer_Eventgrid_Slide_(v02).jpg|440px|CCCamp19 Infobeamer Eventgrid Slide]]
[[File:CCCamp19_Infobeamer_Survey_Eventgrid_(v01).jpg|440px|CCCamp19 Infobeamer Survey Eventgrid]]

* Slide EventGrid [https://altpwr.net/images/3/30/CCCamp19_Infobeamer_Eventgrid_Slide_%28v02%29.jpg DOWNLOAD]
* Slide Survey [https://altpwr.net/images/8/8b/CCCamp19_Infobeamer_Survey_Eventgrid_%28v01%29.jpg DOWNLOAD]

== CCCamp 2019 ==

<gallery>
File:CCCamp19 logo colors RGB.png|CCCamp Logo 2019
</gallery>

On the [https://events.ccc.de/camp/2019/wiki/Main_Page Chaos Communication Camp 2019] we launched a new workgroup being ignited by the already existing core group of the SHA2017. This workgroup is currently working on the shift towards a green power stack called '''[[EventGrid]]''' as a working title.
Join our [https://t.me/joinchat/D2v4lRe3eQX4MuYHo2JdpQ telegram group] if you like.

=== Camp systems ===

Anyone that had a renewable power setup at the camp is invited to document their system [[CCCamp 2019 Participant setups|here]], and what worked / what didn't etc.

=== Environmental Statistics (Power) ===

We did some number crunching on the camp's ... see [[CCCamp 2019 Power Statistics]] top learn more.

=== More Sustainability Aspects (c3sus) ===

A parallel group taking care about overall sustainability met during CCCamp 2019. They compiled some very interesting information, too.

Please have a look at the [https://media.ccc.de/v/Camp2019-10390-infrastructure_review#t=1985 Infrastructure Review CCCamp 2019] to get to know more about their subjects and future plans.

See also '''CCC Sustainability Operation Center'''

* on twitter [https://twitter.com/c3sus @c3sus]
* on mastodon https://chaos.social/@c3sustainability
* on the [https://hacc.uber.space/wiki/index.php?title=CCC_Sustainability Hackers Against Climate Change] website
* as a [https://hacc.uber.space/mailman/listinfo/c3sustainability mailing list]

== rC3 Meetings ==
Tiefpunkt organised a couple of chats during the [https://rc3.world/rc3/ Remote Chaos Experience], December 2020.

Notes will [[rC3|appear here soon]].

= Links =

* Statistics for [http://c3power.top c3 Power Network] (Grafana Dashboard; online/available only during camp times)
* [https://events.ccc.de/camp/2019/wiki/Projects:Microgrid Chaos Microgrid Working Group] (Wikipage)
* [https://www.surveylegend.com/s/1obe CCC Microgrid Survey] (Wikipage)
* [https://events.ccc.de/camp/2019/wiki/Village:Infuanfu Infuanfu Village at CCCamp 2019] (Wikipage)
* [https://altpwr.net Alt Power Wiki] (Wikipage)
* [https://media.ccc.de/v/Camp2019-10390-infrastructure_review Infrastructure Review CCCamp 2019] (Video)
* [https://hacc.uber.space/ Hackers against Climate Change] (Wikipage)
* [https://libre.solar/ Libre Solar] (Web Page)

= History =

Things that happened before and where the latest workgroup formed.

== The Alternative Power Network ==

How it started...

At [https://events.ccc.de/camp/2015/wiki/Main_Page CCCamp2015] we had the idea to build a small DC grid suitable for being used at events where normally diesel generators supply most of the power. We started designing for two years in our spare time. We wanted something safe, simple and transparent where everybody can be a supplier or a user of electric energy. For safety reasons we chose a voltage of 42V (+/- 15%), a bit below the "safe to touch" voltage maximum of 60VDC ([https://www.cui.com/catalog/resource/iec-62368-1-an-introduction-to-the-new-safety-standard-for-ict-and-av-equipment.pdf IEC 62368-1:ES1]). This way there is a bit of headroom for the over-voltage protection circuit which is needed to protect the users. Still leaving some extra volts headroom for cable losses was a thing we wanted to have just in case too. Simpleness was achieved by not doing too much complicated stuff with end-user connections. No monitoring of energy consumption or under-voltage protection was implemented. Just the basic necessities such as over-current protection (4A type C 300VDC circuit breakers) and over-voltage protection. (The last being a 600A peak capable thyristor based crowbar that shorts and isolates a node above a 52V voltage peak on the grid. The crowbar has a 0.16F 63V capacitor bank for guaranteed triggering that doubles as a smoothing capacitor for the node as well! A bonus is that it really helps keeping it ES1 as it keeps AC ripple to a minimum!) Transparency is important, the old website explained how the grid works and what users can and can't do with it. People started building nice things at home before the SHA event, connected them to the grid and all of it worked after maybe some finetuning!

At "Still Hacking Anyway 2017" the first test grid was laid out. It was running for the duration of the camp without any big issues. Solar panels were attached, tea was made with solar power, bread was toasted, lithium batteries were charged and even a 48-300V (2500W) bi-directional DC-DC converter setup was tested. TDK-Lambda was kind enough to supply us with two of those fantastic units. [https://dsrp.eu/post/165047832948/altpwr More about that here!]

[https://hackaday.com/2017/09/08/that-decentralised-low-voltage-local-dc-power-grid-how-did-it-do/ On Hackaday] there is a nice article too about how the grid was used. Of course there was much to improve, battery backup would have been nice for instance, but it did work as expected and nobody got electrocuted!

Now the whole setup is dismantled again. It just was too heavy, took up too much storage space and it's just what should happen to an experiment for new and improved experiments to follow. So we'll be back!

== But now what?! ==

First of all: Use this wiki to share bright solutions for planetary health improvement. It doesn't even to be something electric! If you have an idea to save a tiny bit of energy, or if you have a reuse, recycle, upcycle tip, or something else, post it on the tips page or make a page of your own explaining your idea! If a lot of people do small good things it makes a huge difference!

So just start editing! On the top right of any page you can create an account and become an editor.

'''Share this website, the more people are helping the better!'''

== What happened to the old website? ==

Due to a personal error of mine, the website was not backed up properly... I didn't realize my error and took the site down. This site will be held up as long as possible. Backups will be tested for completeness too. Fortunately the [https://web.archive.org/web/*/ALTPWR.NET Wayback Machine] has backed up a good deal of pages! Still relevant data will be put on this wiki too!

= The battery balancer =

Some people at the camp were handed out [[Lithium_batteries|balancers kits]].

= THINGS =

*) We know bringing all this heavy equipment is not helping keeping down CO2 much, but the idea is mostly about giving people the opportunity to get hands-on experience on building green solutions. This experience will hopefully lead to more permanent green solutions in other places.

''P.S.: At least we hope to add a new twist to the existing, currently in operation solution...''

[[File:Image breedenord.jpg|400px|thumb|left]]
If you have some useful DC-powered equipment, list them [[Wide Range Voltage Equipment|here]].

Have you successfully converted equipment to work directly from DC without inverters etc? If so, please list them [[Devices converted from AC to DC|here]] with instructions about the conversion process!

File:20190822 174525.jpg

2020-08-27T11:08:25Z

Chewie: /* Summary */

== Summary ==
12v cigarette plug. Note that the spring has melted into the case. This was only carrying 30v @5A, and everything else about the plug was unharmed - wires were ok, and the 5A fuse did not blow.

Different plugs have different ratings. Most cheap ones are only rated to 8A @ 12V.

You can find better-rated plugs at either 20-25A max. Once you get to this level of power requirement, I would recommend switching to a better connector type!

Main Page

2020-08-27T11:04:52Z

Chewie: /* THINGS */

[[File:Image solarcells.jpg|400px|thumb|right|Solar Cells at the CCCamp 2019]]
= Participation =

If you have any ideas, want to share cool solutions or help out developing hardware or software:

* Setup an account (top right) and create pages, fix errors, discuss on discussion tabs, all very welcome!
* Use the telegram group.

'''IMPORTANT:''' Right now we need to improve the communication channels and connections with others like [https://hacc.uber.space/ Hackers against Climate Change]. If you would like to help send a mail to trailblazr(at)noxymo.com I will soon update the most recent info here. (Updated: 17th of Sep 2019)

== List of participants ==

We provide a list of participants to get in contact with each other after the camp. Please create a wiki account and add yourself to be included into updates (we will check changes to this list regularly).

{| class="wikitable sortable"
|-
! Nickname !! E-Mail !! Comment
|-
| '''[[User:trailblazr]] / blazr''' || trailblazr@noxymo.com || Representing Workgroup on CCCamp 2019
|-
| [[User:Benadski]] || mynick(at)gmail(dot)com || Developed the grid for SHA
|-
| [[User:Chewie]] || mail || altpwr groupie
|-
| [[User:Teun]] || mail || comment
|-
| [[User:Jule]] || mail || comment
|-
| [[User:Thejeremail]] || mail || comment
|-
| [[User:emergy]] || mail || comment
|-
| [[User:Raphael]] || mail || comment
|-
| [[User:Maesto]] || mail || comment
|-
| [[User:Tiefpunkt]] || altpwr(at)tiefpunkt(dot)com || Initiated Microgrid project at CCCamp2019 (with people from Infuanfu and /dev/lol)
|-
| [[User:Jackie]] || c3 at chaosfield dot at || comment
|-
| [[User:Obri]] || obri at chaostreff dot ch || comment
|-
| [[User:Fraxinas]] || altpwr@repairfox.de || comment
|-
| [[User:unknown]] || mail ||
|}

== Telegram Group ==

Join our [https://t.me/joinchat/D2v4lRe3eQX4MuYHo2JdpQ group on Telegram]

== Social Media ==

Please use the twitter hash tag '''#eventgrid''' when referring to this workgroup. It is still a working title right now.

= Take part in the Survey! =

On CCCamp we had 5000 participants needing electrical power. To improve our future power grid we would like to ask you a few questions in regard to your personal use of power. Please take a few minutes to answer the anonymous survey and help us green the grid.

'''<big>→ [https://www.surveylegend.com/s/1obe Infrastructure Survey] ←</big>'''

[[File:Qr code survey.png|thumb|left|QR Code for Survey Participation]] 

= News =

We are right now preparing a summary of the activities aiming to '''reboot the whole power stack as a green power network''' which happened on the CCCamp 2019. Here re the most recent activities and results...

* We have a survey online we would like you to fill in. [https://www.surveylegend.com/s/1obe Check it out!]
* Part of the Infrastructure Review
* Our main bulletpoints summed up on a slide

== TL;DR ==

* WE ARE [[EventGrid]], JOIN US NOW to work on the '''next generation green power grid*!'''
* '''48V / 300-400V DC Power Grid''' to connect remote villages which have their own local microgrids.
* '''48V DC Power Outlet''' (2 lines + 1 token ring data bus for Outlet Load Balancing)
* '''Power Meters (for villages; 300-400V)''' for better visualization & awareness of consumption
* '''Power Meters (for participants; 48V)''' for logging 24x7, visualization & awareness of consumption
* '''Poll/Questionnaire'''-driven insights on '''power consumption''' of event/village/participant
* '''Gamification Concept''' to trigger more power input & power storage
* '''Public Relations''' activity for transparency & promotion of more green activity

'''WE MET HERE DURING CCCAMP'''
* Our Camp Sessions '''every day 1600''' at [https://events.ccc.de/camp/2019/wiki/Village:Three_Headed_Monkey THM Village] / Lagerfeuer

== Some existing very low voltage standards to exchange power ==
* USB (5V, 2A) (10W)
* USB PD 1.0 (5V/2A, 12V/5A, 20V/5A) (100W)
* USB PD 3.2 (5…[ + 0.02 steps ]…20 V) 5A (100W)
* PoE …57V …100W

== What we plan to do ==

'''Following things are right now our focus and work in progress:'''

# A new technical approach to bootstrap '''[[EventGrid]] a new DC Power Network''' for running power networks on events like SHA and CCCamp in an environmentally friendly way (to be developed!)
# We want to raise awareness by making '''power consumption more transparent''' using a new power meter (to be developed!)
# We want to make it easy for single event participants to gain insight in one's own power consumption patterns by providing a '''DIY power meter hardware KIT''' to display/visualize and log power consumption (to be developed!)
# We want to gather research data from CCCamp participants on certain important questions setting up a '''poll/questionaire''' (to be developed!)
# We want add '''gamification to incentivize green power stacks''' (to be developed!) on future events like SHA, EMF, CCCamp, etc.
# We want to keep the community updated what we do and to which '''degree''' the community '''already reached''' their goal to shift the whole power stack towards a '''green power stack'''. We will do this with e.g. photos, statistics, proof-of-concept-installations and more...

== Infocard for Infobeamer ==

[[File:CCCamp19_Infobeamer_Eventgrid_Slide_(v02).jpg|440px|CCCamp19 Infobeamer Eventgrid Slide]]
[[File:CCCamp19_Infobeamer_Survey_Eventgrid_(v01).jpg|440px|CCCamp19 Infobeamer Survey Eventgrid]]

* Slide EventGrid [https://altpwr.net/images/3/30/CCCamp19_Infobeamer_Eventgrid_Slide_%28v02%29.jpg DOWNLOAD]
* Slide Survey [https://altpwr.net/images/8/8b/CCCamp19_Infobeamer_Survey_Eventgrid_%28v01%29.jpg DOWNLOAD]

== CCCamp 2019 ==

<gallery>
File:CCCamp19 logo colors RGB.png|CCCamp Logo 2019
</gallery>

On the [https://events.ccc.de/camp/2019/wiki/Main_Page Chaos Communication Camp 2019] we launched a new workgroup being ignited by the already existing core group of the SHA2017. This workgroup is currently working on the shift towards a green power stack called '''[[EventGrid]]''' as a working title.
Join our [https://t.me/joinchat/D2v4lRe3eQX4MuYHo2JdpQ telegram group] if you like.

=== Camp systems ===

Anyone that had a renewable power setup at the camp is invited to document their system [[CCCamp 2019 Participant setups|here]], and what worked / what didn't etc.

=== Environmental Statistics (Power) ===

We did some number crunching on the camp's ... see [[CCCamp 2019 Power Statistics]] top learn more.

=== More Sustainability Aspects (c3sus) ===

A parallel group taking care about overall sustainability met during CCCamp 2019. They compiled some very interesting information, too.

Please have a look at the [https://media.ccc.de/v/Camp2019-10390-infrastructure_review#t=1985 Infrastructure Review CCCamp 2019] to get to know more about their subjects and future plans.

See also '''CCC Sustainability Operation Center'''

* on twitter [https://twitter.com/c3sus @c3sus]
* on mastodon https://chaos.social/@c3sustainability
* on the [https://hacc.uber.space/wiki/index.php?title=CCC_Sustainability Hackers Against Climate Change] website
* as a [https://hacc.uber.space/mailman/listinfo/c3sustainability mailing list]

= Links =

* Statistics for [http://c3power.top c3 Power Network] (Grafana Dashboard; online/available only during camp times)
* [https://events.ccc.de/camp/2019/wiki/Projects:Microgrid Chaos Microgrid Working Group] (Wikipage)
* [https://www.surveylegend.com/s/1obe CCC Microgrid Survey] (Wikipage)
* [https://events.ccc.de/camp/2019/wiki/Village:Infuanfu Infuanfu Village at CCCamp 2019] (Wikipage)
* [https://altpwr.net Alt Power Wiki] (Wikipage)
* [https://media.ccc.de/v/Camp2019-10390-infrastructure_review Infrastructure Review CCCamp 2019] (Video)
* [https://hacc.uber.space/ Hackers against Climate Change] (Wikipage)
* [https://libre.solar/ Libre Solar] (Web Page)

= History =

Things that happened before and where the latest workgroup formed.

== The Alternative Power Network ==

How it started...

At [https://events.ccc.de/camp/2015/wiki/Main_Page CCCamp2015] we had the idea to build a small DC grid suitable for being used at events where normally diesel generators supply most of the power. We started designing for two years in our spare time. We wanted something safe, simple and transparent where everybody can be a supplier or a user of electric energy. For safety reasons we chose a voltage of 42V (+/- 15%), a bit below the "safe to touch" voltage maximum of 60VDC ([https://www.cui.com/catalog/resource/iec-62368-1-an-introduction-to-the-new-safety-standard-for-ict-and-av-equipment.pdf IEC 62368-1:ES1]). This way there is a bit of headroom for the over-voltage protection circuit which is needed to protect the users. Still leaving some extra volts headroom for cable losses was a thing we wanted to have just in case too. Simpleness was achieved by not doing too much complicated stuff with end-user connections. No monitoring of energy consumption or under-voltage protection was implemented. Just the basic necessities such as over-current protection (4A type C 300VDC circuit breakers) and over-voltage protection. (The last being a 600A peak capable thyristor based crowbar that shorts and isolates a node above a 52V voltage peak on the grid. The crowbar has a 0.16F 63V capacitor bank for guaranteed triggering that doubles as a smoothing capacitor for the node as well! A bonus is that it really helps keeping it ES1 as it keeps AC ripple to a minimum!) Transparency is important, the old website explained how the grid works and what users can and can't do with it. People started building nice things at home before the SHA event, connected them to the grid and all of it worked after maybe some finetuning!

At "Still Hacking Anyway 2017" the first test grid was laid out. It was running for the duration of the camp without any big issues. Solar panels were attached, tea was made with solar power, bread was toasted, lithium batteries were charged and even a 48-300V (2500W) bi-directional DC-DC converter setup was tested. TDK-Lambda was kind enough to supply us with two of those fantastic units. [https://dsrp.eu/post/165047832948/altpwr More about that here!]

[https://hackaday.com/2017/09/08/that-decentralised-low-voltage-local-dc-power-grid-how-did-it-do/ On Hackaday] there is a nice article too about how the grid was used. Of course there was much to improve, battery backup would have been nice for instance, but it did work as expected and nobody got electrocuted!

Now the whole setup is dismantled again. It just was too heavy, took up too much storage space and it's just what should happen to an experiment for new and improved experiments to follow. So we'll be back!

== But now what?! ==

First of all: Use this wiki to share bright solutions for planetary health improvement. It doesn't even to be something electric! If you have an idea to save a tiny bit of energy, or if you have a reuse, recycle, upcycle tip, or something else, post it on the tips page or make a page of your own explaining your idea! If a lot of people do small good things it makes a huge difference!

So just start editing! On the top right of any page you can create an account and become an editor.

'''Share this website, the more people are helping the better!'''

== What happened to the old website? ==

Due to a personal error of mine, the website was not backed up properly... I didn't realize my error and took the site down. This site will be held up as long as possible. Backups will be tested for completeness too. Fortunately the [https://web.archive.org/web/*/ALTPWR.NET Wayback Machine] has backed up a good deal of pages! Still relevant data will be put on this wiki too!

= The battery balancer =

Some people at the camp were handed out [[Lithium_batteries|balancers kits]].

= THINGS =

*) We know bringing all this heavy equipment is not helping keeping down CO2 much, but the idea is mostly about giving people the opportunity to get hands-on experience on building green solutions. This experience will hopefully lead to more permanent green solutions in other places.

''P.S.: At least we hope to add a new twist to the existing, currently in operation solution...''

[[File:Image breedenord.jpg|400px|thumb|left]]
If you have some useful DC-powered equipment, list them [[Wide Range Voltage Equipment|here]].

Have you successfully converted equipment to work directly from DC without inverters etc? If so, please list them [[Devices converted from AC to DC|here]] with instructions about the conversion process!

Devices converted from AC to DC

2020-08-27T11:02:41Z

Chewie: Created page with "Have you found a device that you can easily convert from AC to DC? If so, please list them here with instructions! * Netgear GS724TS"

Have you found a device that you can easily convert from AC to DC?

If so, please list them here with instructions!

* [[Netgear GS724TS]]

Netgear GS724TS

2020-08-27T11:00:21Z

Chewie:

Surprisingly this switch's PSU converts AC to only 5V.
On idle and boot, it only consumes 15W. Of course with SPFs, and more connections, this will probably require more power.
To this end, I chose a [https://www.ebay.co.uk/itm/DC12V-24V-to-5V-10A-50W-Step-Down-Converter-Boost-Voltage-Regulator-Module-Power/184345810840 50W 12-24v to 5V converter] (others are available, but i thought a wide range was a good idea).

The connection from the AC PSU to the Netgear motherboard is 6 pins. 3 are 5V+, and 3 are 5V -. Why 3 connectors are needed for each i have no idea, as they are all connected.

There is also enough space inside the case to contain the converter, and a switch to choose either AC of DC power sources.
[[File:Netgear GS724TS PSU.jpg|400px|thumb|center|Original PSU at bottom, new DC converter above (under ribbon cable)]]
I used the cable management bolt hole and a washer to secure the new DC converter to the case. It's not pretty, but it fits and doesn't touch anything that could be dangerous.
I added a switch so that the DC or AC source could be selected, although I would wait until it is off before switching sources, just in case!
[[File:Netgear GS724TS Dual PSU2.jpg|400px|thumb|center|Back of Netgear GS724TS with extra PSU]]

Netgear GS724TS

2020-08-22T19:04:47Z

Chewie:

File:Netgear GS724TS Dual PSU2.jpg

2020-08-22T18:38:06Z

Chewie:

Back of Netgear GS724TS with extra PSU

File:Netgear GS724TS PSU.jpg

2020-08-22T18:22:06Z

Chewie:

Netgear GS724TS PSU

File:Netgear GS724TS Internals with DC PSU.jpg

2020-08-22T18:20:35Z

Chewie:

Netgear GS724TS Internals with DC PSU

File:Netgear GS724TS Dual PSU.jpg

2020-08-22T18:18:28Z

Chewie:

Netgear GS724TS Back showing 12V input and selection switch

Converting AC devices to DC

2020-08-22T18:03:42Z

Chewie:

{| class="wikitable sortable"
|-
! Make !! Model !! Conversion Details
|-
| Netgear || GS724TS || [[Netgear_GS724TS|Link to Conversion]]
|-
| Example || Example || Example
|-
| Example || Example || Example
|}

Netgear GS724TS

2020-08-22T18:03:16Z

Chewie: Created page with "Surprisingly this switch's PSU converts AC to only 5V. On idle and boot, it only consumes 15W. Of course with SPFs, and more connections, this will probably require more power..."

Converting AC devices to DC

2020-08-22T17:57:38Z

Chewie:

{| class="wikitable sortable"
|-
! Make !! Model !! Conversion Details
|-
| Netgear || GS724TS || Link to Conversion
|-
| Example || Example || Example
|-
| Example || Example || Example
|}

Converting AC devices to DC

2020-08-22T17:57:21Z

Chewie: Created page with "{| class="wikitable sortable" |- ! Make !! Model !! Conversion Details | Netgear || GS724TS || Link to Conversion |- | Example || Example || Example |- | Example || Example ||..."

{| class="wikitable sortable"
|-
! Make !! Model !! Conversion Details
| Netgear || GS724TS || Link to Conversion
|-
| Example || Example || Example
|-
| Example || Example || Example
|}

Main Page

2020-08-04T09:41:47Z

Chewie: /* THINGS */

[[File:Image solarcells.jpg|400px|thumb|right|Solar Cells at the CCCamp 2019]]
= Participation =

If you have any ideas, want to share cool solutions or help out developing hardware or software:

* Setup an account (top right) and create pages, fix errors, discuss on discussion tabs, all very welcome!
* Use the telegram group.

'''IMPORTANT:''' Right now we need to improve the communication channels and connections with others like [https://hacc.uber.space/ Hackers against Climate Change]. If you would like to help send a mail to trailblazr(at)noxymo.com I will soon update the most recent info here. (Updated: 17th of Sep 2019)

== List of participants ==

We provide a list of participants to get in contact with each other after the camp. Please create a wiki account and add yourself to be included into updates (we will check changes to this list regularly).

{| class="wikitable sortable"
|-
! Nickname !! E-Mail !! Comment
|-
| '''[[User:trailblazr]] / blazr''' || trailblazr@noxymo.com || Representing Workgroup on CCCamp 2019
|-
| [[User:Benadski]] || mynick(at)gmail(dot)com || Developed the grid for SHA
|-
| [[User:Chewie]] || mail || altpwr groupie
|-
| [[User:Teun]] || mail || comment
|-
| [[User:Jule]] || mail || comment
|-
| [[User:Thejeremail]] || mail || comment
|-
| [[User:emergy]] || mail || comment
|-
| [[User:Raphael]] || mail || comment
|-
| [[User:Maesto]] || mail || comment
|-
| [[User:Tiefpunkt]] || altpwr(at)tiefpunkt(dot)com || Initiated Microgrid project at CCCamp2019 (with people from Infuanfu and /dev/lol)
|-
| [[User:Jackie]] || c3 at chaosfield dot at || comment
|-
| [[User:Obri]] || obri at chaostreff dot ch || comment
|-
| [[User:Fraxinas]] || altpwr@repairfox.de || comment
|-
| [[User:unknown]] || mail ||
|}

== Telegram Group ==

Join our [https://t.me/joinchat/D2v4lRe3eQX4MuYHo2JdpQ group on Telegram]

== Social Media ==

Please use the twitter hash tag '''#eventgrid''' when referring to this workgroup. It is still a working title right now.

= Take part in the Survey! =

On CCCamp we had 5000 participants needing electrical power. To improve our future power grid we would like to ask you a few questions in regard to your personal use of power. Please take a few minutes to answer the anonymous survey and help us green the grid.

'''<big>→ [https://www.surveylegend.com/s/1obe Infrastructure Survey] ←</big>'''

[[File:Qr code survey.png|thumb|left|QR Code for Survey Participation]] 

= News =

We are right now preparing a summary of the activities aiming to '''reboot the whole power stack as a green power network''' which happened on the CCCamp 2019. Here re the most recent activities and results...

* We have a survey online we would like you to fill in. [https://www.surveylegend.com/s/1obe Check it out!]
* Part of the Infrastructure Review
* Our main bulletpoints summed up on a slide

== TL;DR ==

* WE ARE [[EventGrid]], JOIN US NOW to work on the '''next generation green power grid*!'''
* '''48V / 300-400V DC Power Grid''' to connect remote villages which have their own local microgrids.
* '''48V DC Power Outlet''' (2 lines + 1 token ring data bus for Outlet Load Balancing)
* '''Power Meters (for villages; 300-400V)''' for better visualization & awareness of consumption
* '''Power Meters (for participants; 48V)''' for logging 24x7, visualization & awareness of consumption
* '''Poll/Questionnaire'''-driven insights on '''power consumption''' of event/village/participant
* '''Gamification Concept''' to trigger more power input & power storage
* '''Public Relations''' activity for transparency & promotion of more green activity

'''WE MET HERE DURING CCCAMP'''
* Our Camp Sessions '''every day 1600''' at [https://events.ccc.de/camp/2019/wiki/Village:Three_Headed_Monkey THM Village] / Lagerfeuer

== Some existing very low voltage standards to exchange power ==
* USB (5V, 2A) (10W)
* USB PD 1.0 (5V/2A, 12V/5A, 20V/5A) (100W)
* USB PD 3.2 (5…[ + 0.02 steps ]…20 V) 5A (100W)
* PoE …57V …100W

== What we plan to do ==

'''Following things are right now our focus and work in progress:'''

# A new technical approach to bootstrap '''[[EventGrid]] a new DC Power Network''' for running power networks on events like SHA and CCCamp in an environmentally friendly way (to be developed!)
# We want to raise awareness by making '''power consumption more transparent''' using a new power meter (to be developed!)
# We want to make it easy for single event participants to gain insight in one's own power consumption patterns by providing a '''DIY power meter hardware KIT''' to display/visualize and log power consumption (to be developed!)
# We want to gather research data from CCCamp participants on certain important questions setting up a '''poll/questionaire''' (to be developed!)
# We want add '''gamification to incentivize green power stacks''' (to be developed!) on future events like SHA, EMF, CCCamp, etc.
# We want to keep the community updated what we do and to which '''degree''' the community '''already reached''' their goal to shift the whole power stack towards a '''green power stack'''. We will do this with e.g. photos, statistics, proof-of-concept-installations and more...

== Infocard for Infobeamer ==

[[File:CCCamp19_Infobeamer_Eventgrid_Slide_(v02).jpg|440px|CCCamp19 Infobeamer Eventgrid Slide]]
[[File:CCCamp19_Infobeamer_Survey_Eventgrid_(v01).jpg|440px|CCCamp19 Infobeamer Survey Eventgrid]]

* Slide EventGrid [https://altpwr.net/images/3/30/CCCamp19_Infobeamer_Eventgrid_Slide_%28v02%29.jpg DOWNLOAD]
* Slide Survey [https://altpwr.net/images/8/8b/CCCamp19_Infobeamer_Survey_Eventgrid_%28v01%29.jpg DOWNLOAD]

== CCCamp 2019 ==

<gallery>
File:CCCamp19 logo colors RGB.png|CCCamp Logo 2019
</gallery>

On the [https://events.ccc.de/camp/2019/wiki/Main_Page Chaos Communication Camp 2019] we launched a new workgroup being ignited by the already existing core group of the SHA2017. This workgroup is currently working on the shift towards a green power stack called '''[[EventGrid]]''' as a working title.
Join our [https://t.me/joinchat/D2v4lRe3eQX4MuYHo2JdpQ telegram group] if you like.

=== Camp systems ===

Anyone that had a renewable power setup at the camp is invited to document their system [[CCCamp 2019 Participant setups|here]], and what worked / what didn't etc.

=== Environmental Statistics (Power) ===

We did some number crunching on the camp's ... see [[CCCamp 2019 Power Statistics]] top learn more.

=== More Sustainability Aspects (c3sus) ===

A parallel group taking care about overall sustainability met during CCCamp 2019. They compiled some very interesting information, too.

Please have a look at the [https://media.ccc.de/v/Camp2019-10390-infrastructure_review#t=1985 Infrastructure Review CCCamp 2019] to get to know more about their subjects and future plans.

See also '''CCC Sustainability Operation Center'''

* on twitter [https://twitter.com/c3sus @c3sus]
* on mastodon https://chaos.social/@c3sustainability
* on the [https://hacc.uber.space/wiki/index.php?title=CCC_Sustainability Hackers Against Climate Change] website
* as a [https://hacc.uber.space/mailman/listinfo/c3sustainability mailing list]

= Links =

* Statistics for [http://c3power.top c3 Power Network] (Grafana Dashboard; online/available only during camp times)
* [https://events.ccc.de/camp/2019/wiki/Projects:Microgrid Chaos Microgrid Working Group] (Wikipage)
* [https://www.surveylegend.com/s/1obe CCC Microgrid Survey] (Wikipage)
* [https://events.ccc.de/camp/2019/wiki/Village:Infuanfu Infuanfu Village at CCCamp 2019] (Wikipage)
* [https://altpwr.net Alt Power Wiki] (Wikipage)
* [https://media.ccc.de/v/Camp2019-10390-infrastructure_review Infrastructure Review CCCamp 2019] (Video)
* [https://hacc.uber.space/ Hackers against Climate Change] (Wikipage)
* [https://libre.solar/ Libre Solar] (Web Page)

= History =

Things that happened before and where the latest workgroup formed.

== The Alternative Power Network ==

How it started...

At [https://events.ccc.de/camp/2015/wiki/Main_Page CCCamp2015] we had the idea to build a small DC grid suitable for being used at events where normally diesel generators supply most of the power. We started designing for two years in our spare time. We wanted something safe, simple and transparent where everybody can be a supplier or a user of electric energy. For safety reasons we chose a voltage of 42V (+/- 15%), a bit below the "safe to touch" voltage maximum of 60VDC ([https://www.cui.com/catalog/resource/iec-62368-1-an-introduction-to-the-new-safety-standard-for-ict-and-av-equipment.pdf IEC 62368-1:ES1]). This way there is a bit of headroom for the over-voltage protection circuit which is needed to protect the users. Still leaving some extra volts headroom for cable losses was a thing we wanted to have just in case too. Simpleness was achieved by not doing too much complicated stuff with end-user connections. No monitoring of energy consumption or under-voltage protection was implemented. Just the basic necessities such as over-current protection (4A type C 300VDC circuit breakers) and over-voltage protection. (The last being a 600A peak capable thyristor based crowbar that shorts and isolates a node above a 52V voltage peak on the grid. The crowbar has a 0.16F 63V capacitor bank for guaranteed triggering that doubles as a smoothing capacitor for the node as well! A bonus is that it really helps keeping it ES1 as it keeps AC ripple to a minimum!) Transparency is important, the old website explained how the grid works and what users can and can't do with it. People started building nice things at home before the SHA event, connected them to the grid and all of it worked after maybe some finetuning!

At "Still Hacking Anyway 2017" the first test grid was laid out. It was running for the duration of the camp without any big issues. Solar panels were attached, tea was made with solar power, bread was toasted, lithium batteries were charged and even a 48-300V (2500W) bi-directional DC-DC converter setup was tested. TDK-Lambda was kind enough to supply us with two of those fantastic units. [https://dsrp.eu/post/165047832948/altpwr More about that here!]

[https://hackaday.com/2017/09/08/that-decentralised-low-voltage-local-dc-power-grid-how-did-it-do/ On Hackaday] there is a nice article too about how the grid was used. Of course there was much to improve, battery backup would have been nice for instance, but it did work as expected and nobody got electrocuted!

Now the whole setup is dismantled again. It just was too heavy, took up too much storage space and it's just what should happen to an experiment for new and improved experiments to follow. So we'll be back!

== But now what?! ==

First of all: Use this wiki to share bright solutions for planetary health improvement. It doesn't even to be something electric! If you have an idea to save a tiny bit of energy, or if you have a reuse, recycle, upcycle tip, or something else, post it on the tips page or make a page of your own explaining your idea! If a lot of people do small good things it makes a huge difference!

So just start editing! On the top right of any page you can create an account and become an editor.

'''Share this website, the more people are helping the better!'''

== What happened to the old website? ==

Due to a personal error of mine, the website was not backed up properly... I didn't realize my error and took the site down. This site will be held up as long as possible. Backups will be tested for completeness too. Fortunately the [https://web.archive.org/web/*/ALTPWR.NET Wayback Machine] has backed up a good deal of pages! Still relevant data will be put on this wiki too!

= The battery balancer =

Some people at the camp were handed out [[Lithium_batteries|balancers kits]].

= THINGS =

*) We know bringing all this heavy equipment is not helping keeping down CO2 much, but the idea is mostly about giving people the opportunity to get handson experience on building green solutions. This experience will hopefully lead to more permanent green solutions in other places.

''P.S.: At least we hope to add a new twist to the existing, currently in operation solution...''

[[File:Image breedenord.jpg|400px|thumb|left]]
If you have some useful DC-powered equipment, list them [[Wide Range Voltage Equipment|here]]

Wide Range Voltage Equipment

2020-07-09T20:38:54Z

Chewie: Add SystemBase Serial -> LAN converter

Wide Range Voltage Equipment

2020-02-28T12:11:52Z

Chewie: Add TRENDnet PoE+ switch

Wide Range Voltage Equipment

2020-02-28T12:03:52Z

Chewie: Create table to list potentially useful equipment

CCCamp 2019 - Chewie's Setup

2019-09-14T00:37:11Z

Chewie: typo

I brought the following Solar Panels to site:

* 5 x [https://web.archive.org/web/20150616045041/https://americas.fujielectric.com/sites/default/files/PV%20Module%20Flyer_sm.pdf Fuji F-wave 92w flexible panels] with a converter down to 48v
* 3 x [https://www.amazon.co.uk/Maplin-Monocrystalline-Outdoor-Lightweight-Portable/dp/B0772X1DSH Maplin 30W 12V semi-flexible panels]
* 1 x [http://www.gb-sol.co.uk/ GB-Sol] custom sized 90W semi-flexible panel

The first system was connected to the [https://events.ccc.de/camp/2019/wiki/Village:Infuanfu Infuanfu Village] Tent as I could not bring any structure with me, and my plan was to connect it to any 42v/48v system that was on site.
Sadly, nothing else was running at this voltage, and we did not have any safe way of connecting the system to Infuanfu's existing system, therefore it was just used to charge a LiFePO4 battery from [https://www.powertechsystems.eu/home/products/12v-lithium-battery-pack-powerbrick/100ah-12v-lithium-ion-battery-pack-powerbrick/ PowerTech Systems].

The charge controller was a [https://sunforgellc.com/gv-10/ Genasun 10A] version specifically for Lithium Battery systems, but was used with a car cigarette lighter plug, which was [https://altpwr.net/index.php?title=File:20190822_174525.jpg a bad idea].
On the last day of the camp, I noticed that no power was going into the battery, even after fixing the connectors (using MC4 instead). Either it couldn't cope with 30V@5A, or the temperature (~30-35degC) destroyed it, even though it was under shade. Due to lack of monitoring capabilities etc, I will not be replacing it with the same model (but need to test it when I'm back at home).

The second system (Maplin panels) were connected in parallel and then directly to an old 105Ah Lead-Acid Battery with no charge controller, as the battery was in poor condition and needed a lot of charging (if it was still capable).
[[File:St7300usbme.c.jpg|thumb|left|StarTech 7-port USB hub used for charging]]
These worked admirably, and was mainly used to power a [https://transcool.info/ 12V evaporative cooler], and a [https://www.startech.com/UK/Cards-Adapters/USB-3.0/Hubs/~ST7300USBME StarTech USB hub] for lights and charging phones etc. This was chosen due to the wide input voltage (7-48V, although only 9-13V was tested), supposed surge protection and high operating temperature range.
I also warmed (not boiled!) some water on 2 days to pre-heat it for a gas stove to make tea.
Due to the lack of voltage in the battery, I couldn't really use it to charge a laptop via an inverter very often.

The third panel was not used as I didn't have anything to connect it to, and was a slightly different voltage to the Maplin panels.

Main Page

2019-09-14T00:31:09Z

Chewie: /* List of participants */

[[File:Image solarcells.jpg|400px|thumb|right|Solar Cells at the CCCamp 2019]]
= Participation =

If you have any ideas, want to share cool solutions or help out developing hardware or software:

* Setup an account (top right) and create pages, fix errors, discuss on discussion tabs, all very welcome!
* Use the telegram group.

== List of participants ==

We provide a list of participants to get in contact with each other after the camp. Please create a wiki account and add yourself to be included into updates (we will check changes to this list regularly).

{| class="wikitable sortable"
|-
! Nickname !! E-Mail !! Comment
|-
| '''[[User:trailblazr]] / blazr''' || trailblazr@noxymo.com || Representing Workgroup on CCCamp 2019
|-
| [[User:Benadski]] || mynick(at)gmail(dot)com || Developed the grid for SHA
|-
| [[User:Chewie]] || mail || altpwr groupie
|-
| [[User:Teun]] || mail || comment
|-
| [[User:Jule]] || mail || comment
|-
| [[User:Thejeremail]] || mail || comment
|-
| [[User:emergy]] || mail || comment
|-
| [[User:Raphael]] || mail || comment
|-
| [[User:Maesto]] || mail || comment
|-
| [[User:Tiefpunkt]] || altpwr(at)tiefpunkt(dot)com ||
|-
| [[User:Jackie]] || c3 at chaosfield dot at || comment
|-
| [[User:Obri]] || obri at chaostreff dot ch || comment
|-
| [[User:Fraxinas]] || altpwr@repairfox.de || comment
|-
| [[User:unknown]] || mail ||
|}

== Telegram Channel ==

Please join our '''public channel''' on Telegram here

https://t.me/eventgrid

== Social Media ==

Please use the twitter hash tag '''#eventgrid''' when referring to this workgroup. It is still a working title right now.

= Take part in the Survey! =

On CCCamp we had 5000 participants needing electrical power. To improve our future power grid we would like to ask you a few questions in regard to your personal use of power. Please take a few minutes to answer the anonymous survey and help us green the grid.

'''<big>→ [https://www.surveylegend.com/s/1obe Infrastructure Survey] ←</big>'''

[[File:Qr code survey.png|thumb|left|QR Code for Survey Participation]] 

= News =

We are right now preparing a summary of the activities aiming to '''reboot the whole power stack as a green power network''' which happened on the CCCamp 2019. Here re the most recent activities and results...

* We have a survey online we would like you to fill in. [https://www.surveylegend.com/s/1obe Check it out!]
* Part of the Infrastructure Review
* Our main bulletpoints summed up on a slide

== TL;DR ==

* WE ARE [[EventGrid]], JOIN US NOW to work on the '''next generation green power grid*!'''
* '''48V / 300-400V DC Power Grid''' to connect remote villages which have their own local microgrids.
* '''48V DC Power Outlet''' (2 lines + 1 token ring data bus for Outlet Load Balancing)
* '''Power Meters (for villages; 300-400V)''' for better visualization & awareness of consumption
* '''Power Meters (for participants; 48V)''' for logging 24x7, visualization & awareness of consumption
* '''Poll/Questionnaire'''-driven insights on '''power consumption''' of event/village/participant
* '''Gamification Concept''' to trigger more power input & power storage
* '''Public Relations''' activity for transparency & promotion of more green activity

'''WE MET HERE DURING CCCAMP'''
* Our Camp Sessions '''every day 1600''' at [https://events.ccc.de/camp/2019/wiki/Village:Three_Headed_Monkey THM Village] / Lagerfeuer

== Some existing very low voltage standards to exchange power ==
* USB (5V, 2A) (10W)
* USB PD 1.0 (5V/2A, 12V/5A, 20V/5A) (100W)
* USB PD 3.2 (5…[ + 0.02 steps ]…20 V) 5A (100W)
* PoE …57V …100W

== What we plan to do ==

'''Following things are right now our focus and work in progress:'''

# A new technical approach to bootstrap '''[[EventGrid]] a new DC Power Network''' for running power networks on events like SHA and CCCamp in an environmentally friendly way (to be developed!)
# We want to raise awareness by making '''power consumption more transparent''' using a new power meter (to be developed!)
# We want to make it easy for single event participants to gain insight in one's own power consumption patterns by providing a '''DIY power meter hardware KIT''' to display/visualize and log power consumption (to be developed!)
# We want to gather research data from CCCamp participants on certain important questions setting up a '''poll/questionaire''' (to be developed!)
# We want add '''gamification to incentivize green power stacks''' (to be developed!) on future events like SHA, EMF, CCCamp, etc.
# We want to keep the community updated what we do and to which '''degree''' the community '''already reached''' their goal to shift the whole power stack towards a '''green power stack'''. We will do this with e.g. photos, statistics, proof-of-concept-installations and more...

== Infocard for Infobeamer ==

[[File:CCCamp19_Infobeamer_Eventgrid_Slide_(v02).jpg|440px|CCCamp19 Infobeamer Eventgrid Slide]]
[[File:CCCamp19_Infobeamer_Survey_Eventgrid_(v01).jpg|440px|CCCamp19 Infobeamer Survey Eventgrid]]

* Slide EventGrid [https://altpwr.net/images/3/30/CCCamp19_Infobeamer_Eventgrid_Slide_%28v02%29.jpg DOWNLOAD]
* Slide Survey [https://altpwr.net/images/8/8b/CCCamp19_Infobeamer_Survey_Eventgrid_%28v01%29.jpg DOWNLOAD]

== CCCamp 2019 ==

<gallery>
File:CCCamp19 logo colors RGB.png|CCCamp Logo 2019
</gallery>

On the [https://events.ccc.de/camp/2019/wiki/Main_Page Chaos Communication Camp 2019] we launched a new workgroup being ignited by the already existing core group of the SHA2017. This workgroup is currently working on the shift towards a green power stack called '''[[EventGrid]]''' as a working title.
Join our [https://t.me/joinchat/D2v4lRe3eQX4MuYHo2JdpQ telegram group] if you like.

=== Camp systems ===

Anyone that had a renewable power setup at the camp is invited to document their system [[CCCamp 2019 Participant setups|here]], and what worked / what didn't etc.

=== Environmental Statistics (Power) ===

We did some number crunching on the camp's ... see [[CCCamp 2019 Power Statistics]] top learn more.

=== More Sustainability Aspects (c3sus) ===

A parallel group taking care about overall sustainability met during CCCamp 2019. They compiled some very interesting information, too.

Please have a look at the [https://media.ccc.de/v/Camp2019-10390-infrastructure_review#t=1985 Infrastructure Review CCCamp 2019] to get to know more about their subjects and future plans.

See also '''CCC Sustainability Operation Center'''

* on twitter [https://twitter.com/c3sus @c3sus]
* on mastodon https://chaos.social/@c3sustainability
* on the [https://hacc.uber.space/wiki/index.php?title=CCC_Sustainability Hackers Against Climate Change] website
* as a [https://hacc.uber.space/mailman/listinfo/c3sustainability mailing list]

= Links =

* Statistics for [http://c3power.top c3 Power Network] (Grafana Dashboard; online/available only during camp times)
* [https://events.ccc.de/camp/2019/wiki/Projects:Microgrid Chaos Microgrid Working Group] (Wikipage)
* [https://www.surveylegend.com/s/1obe CCC Microgrid Survey] (Wikipage)
* [https://events.ccc.de/camp/2019/wiki/Village:Infuanfu Infuanfu Village at CCCamp 2019] (Wikipage)
* [https://altpwr.net Alt Power Wiki] (Wikipage)
* [https://media.ccc.de/v/Camp2019-10390-infrastructure_review Infrastructure Review CCCamp 2019] (Video)

= History =

Things that happened before and where the latest workgroup formed.

== The Alternative Power Network ==

How it started...

At [https://events.ccc.de/camp/2015/wiki/Main_Page CCCamp2015] we had the idea to build a small DC grid suitable for being used at events where normally diesel generators supply most of the power. We started designing for two years in our spare time. We wanted something safe, simple and transparent where everybody can be a supplier or a user of electric energy. For safety reasons we chose a voltage of 42V (+/- 15%), a bit below the "safe to touch" voltage maximum of 60VDC ([https://www.cui.com/catalog/resource/iec-62368-1-an-introduction-to-the-new-safety-standard-for-ict-and-av-equipment.pdf IEC 62368-1:ES1]). This way there is a bit of headroom for the over-voltage protection circuit which is needed to protect the users. Still leaving some extra volts headroom for cable losses was a thing we wanted to have just in case too. Simpleness was achieved by not doing too much complicated stuff with end-user connections. No monitoring of energy consumption or under-voltage protection was implemented. Just the basic necessities such as over-current protection (4A type C 300VDC circuit breakers) and over-voltage protection. (The last being a 600A peak capable thyristor based crowbar that shorts and isolates a node above a 52V voltage peak on the grid. The crowbar has a 0.16F 63V capacitor bank for guaranteed triggering that doubles as a smoothing capacitor for the node as well! A bonus is that it really helps keeping it ES1 as it keeps AC ripple to a minimum!) Transparency is important, the old website explained how the grid works and what users can and can't do with it. People started building nice things at home before the SHA event, connected them to the grid and all of it worked after maybe some finetuning!

At "Still Hacking Anyway 2017" the first test grid was laid out. It was running for the duration of the camp without any big issues. Solar panels were attached, tea was made with solar power, bread was toasted, lithium batteries were charged and even a 48-300V (2500W) bi-directional DC-DC converter setup was tested. TDK-Lambda was kind enough to supply us with two of those fantastic units. [https://dsrp.eu/post/165047832948/altpwr More about that here!]

[https://hackaday.com/2017/09/08/that-decentralised-low-voltage-local-dc-power-grid-how-did-it-do/ On Hackaday] there is a nice article too about how the grid was used. Of course there was much to improve, battery backup would have been nice for instance, but it did work as expected and nobody got electrocuted!

Now the whole setup is dismantled again. It just was too heavy, took up too much storage space and it's just what should happen to an experiment for new and improved experiments to follow. So we'll be back!

== But now what?! ==

First of all: Use this wiki to share bright solutions for planetary health improvement. It doesn't even to be something electric! If you have an idea to save a tiny bit of energy, or if you have a reuse, recycle, upcycle tip, or something else, post it on the tips page or make a page of your own explaining your idea! If a lot of people do small good things it makes a huge difference!

So just start editing! On the top right of any page you can create an account and become an editor.

'''Share this website, the more people are helping the better!'''

== What happened to the old website? ==

Due to a personal error of mine, the website was not backed up properly... I didn't realize my error and took the site down. This site will be held up as long as possible. Backups will be tested for completeness too. Fortunately the [https://web.archive.org/web/*/ALTPWR.NET Wayback Machine] has backed up a good deal of pages! Still relevant data will be put on this wiki too!

= The battery balancer =

Some people at the camp were handed out [[Lithium_batteries|balancers kits]].

= THINGS =

*) We know bringing all this heavy equipment is not helping keeping down CO2 much, but the idea is mostly about giving people the opportunity to get handson experience on building green solutions. This experience will hopefully lead to more permanent green solutions in other places.

''P.S.: At least we hope to add a new twist to the existing, currently in operation solution...''

[[File:Image breedenord.jpg|400px|thumb|left]]

File:20190822 174525.jpg

2019-09-02T15:23:56Z

Chewie: /* Summary */