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Instant powerwall
#31
Smile Paralell them as such that should work just fine as long as you only use the broadcast.

Im glad to hear it worked out. Jaron did think 3 steps ahead when building it Tongue
wim likes this post
The Ultimate DIY Solar and build place
YouTube / Forum system setup / My webpage  Diy Tech & Repairs

Current: 10kW Mpp Hybrid | 4kW PIP4048 | 2x PCM60x | 83kWh LiFePo4 | 10kWh 14s 18650 |  66*260W Poly
Upcoming: 14S 18650~30kWh | Automatic trip breakers, and alot more
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#32
And another step forward...
Test with generator done Smile

This little guy is going to be responsible to re-charge my batteries if there is not enough solar.

  


Together with the tree flatpack2 HE chargers, 100A charging whitout any problem.



For now, the generator is still manual start and stop, but the idea is to do this automatic in function of the soc% and time of day.
What really would be great is a kind of wheater forecast ( sun tomorrow or not ) number to integrate in the decision taking code... anybody a idea if there is a way to achieve this?
SecondHandPower likes this post
___________________________________
18x 300Wp solar off grid and 10x 180Wp solar tracker grid-tie
10KW 3phase hybrid inverter. 40Kwh 18650 storage (for now)
My setup: https://secondlifestorage.com/t-Instant-powerwall
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#33
Just do some coding Smile NodeRed and you can kind of visualize it and controll everything with MQTT
Michel Daggelinckx likes this post
The Ultimate DIY Solar and build place
YouTube / Forum system setup / My webpage  Diy Tech & Repairs

Current: 10kW Mpp Hybrid | 4kW PIP4048 | 2x PCM60x | 83kWh LiFePo4 | 10kWh 14s 18650 |  66*260W Poly
Upcoming: 14S 18650~30kWh | Automatic trip breakers, and alot more
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#34
Ok, some coding... will do just that Big Grin

But what i really want to know if there is a site or something where ie a raspberry pi can get a kind of forecast ( ie a number from 1 to 10 where 1 is no sun and 10 means plenty of sun for tomorrow ) .... would not that be cool ???? Cool

Is there such thing out there ?
___________________________________
18x 300Wp solar off grid and 10x 180Wp solar tracker grid-tie
10KW 3phase hybrid inverter. 40Kwh 18650 storage (for now)
My setup: https://secondlifestorage.com/t-Instant-powerwall
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#35
(08-28-2017, 06:53 PM)wim Wrote: Ok, some coding... will do just that Big Grin

But what i really want to know if there is a site or something where ie a raspberry pi can get a kind of forecast ( ie a number from 1 to 10 where 1 is no sun and 10 means plenty of sun for tomorrow ) .... would not that be cool ???? Cool

Is there such thing out there ?

For sure, there must be many sites, maybe you must convert the scale to your 1 to 10.

https://www.wunderground.com/

http://makezine.com/projects/raspberry-p...ion-mount/

http://www.instructables.com/id/Arduino-...h-ESP8266/
wim and Michel Daggelinckx like this post
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#36
(08-28-2017, 08:29 PM)jesusangel Wrote:
(08-28-2017, 06:53 PM)wim Wrote: Ok, some coding... will do just that Big Grin

But what i really want to know if there is a site or something where ie a raspberry pi can get a kind of forecast ( ie a number from 1 to 10 where 1 is no sun and 10 means plenty of sun for tomorrow ) .... would not that be cool ???? Cool

Is there such thing out there ?

For sure, there must be many sites, maybe you must convert the scale to your 1 to 10.

https://www.wunderground.com/

http://makezine.com/projects/raspberry-p...ion-mount/

http://www.instructables.com/id/Arduino-...h-ESP8266/

Thanks man, very close, hmm maybe, but there has to be a site where a simple device like even a arduino can get solar forecast like it can get the time/date.
The search continues ... ( for a while ).
___________________________________
18x 300Wp solar off grid and 10x 180Wp solar tracker grid-tie
10KW 3phase hybrid inverter. 40Kwh 18650 storage (for now)
My setup: https://secondlifestorage.com/t-Instant-powerwall
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#37
3rd link is an arduino project
wim likes this post
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#38
(08-29-2017, 03:05 AM)jesusangel Wrote: 3rd link is an arduino project
Have looked into it, very promising... Big Grin
___________________________________
18x 300Wp solar off grid and 10x 180Wp solar tracker grid-tie
10KW 3phase hybrid inverter. 40Kwh 18650 storage (for now)
My setup: https://secondlifestorage.com/t-Instant-powerwall
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#39
Awesome! I will pick up some ideas from here for my build. Nice work!
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#40
Great job. If your asking for suggestions... some plastic kitchen draw slides mounted on the bottom of each shelf to help steer those packs in and out might make it easier on yourself and prevent any possible accidents especially when you stuff two packs in together. if you are concerned about bus bar resistance solder a pair of wires same length one front and one back of the bus and under high load check the voltage across it. your meter might not read ohms down that low but you should get a voltage if they are not heavy duty enough. if its still a concern solder a new flat bar from back to front same as used on your front bus connections. that should solve any imbalance under heavy duty loading.
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