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60kW Whole House Powerwall build
#21
I'm a bit behind on updates to this thread but so far I've gotten my solar AC coupled and everything is working fine. Today being the first day after Dorian the sky was just about cloudless and I was able to test the max output of the solar going into the pack.

[Image: Z5TZBHu.jpg]

The inverter and pack were able to take about 12kW of AC (less on the pic due to AC->DC losses). However, at one point the AC solar jumped to 13kW and the inverter took it fine, but it did light up the overload LED, no alarm went off though (I think the manual states that once the audible alarm is heard then the inverter is not happy).

Either way I solved that issue by just turning down the AC, I figured may as well use the power to cool the house rather than waste it by turning off a branch of micros. I plan on setting up an API connection to the ecobee and as a secondary in case internet is out the water heater using a contactor and MQTT. Talk about first world problems because I'm generating too much power.

I've also gotten a bit further on my custom control dashboard where I can control charging, take the house off the grid, etc. I have run into an issue that the Rpi I was using for this doesn't have enough resources so it looks like I'll be moving it to a VM.

[Image: 38rF5BL.png]
Solardad, Bobby, Crimp Daddy And 1 others like this post
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#22
Beautiful work man! Very very nice!
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