Re: [RE-wrenches] ESS Batteries

2017-02-11 Thread Glenn Burt
Sounds like input values close to a string inverter. I'd try an old SMA or similar. -Original Message- From: "Drake" Sent: ‎2/‎11/‎2017 13:51 To: "RE-wrenches" Subject: [RE-wrenches] ESS Batteries Hello Wrenches, A friend just purchased 4 ESS MA 1428K batteries from AEP surplus. He go

[RE-wrenches] ESS Batteries

2017-02-11 Thread Drake
Hello Wrenches, A friend just purchased 4 ESS MA 1428K batteries from AEP surplus. He got them really cheap. They are rated at 26.5 KWh with an operating voltage of 453 to 706 VDC! He would like to find a way to use the power from these batteries. Does anyone have any suggestions? Thanks,

[RE-wrenches] NEC 2014 In California - 690.47(D)

2017-02-11 Thread Mark Frye
A follow up on my most recent inspection. I was worried about the AHJ requiring the extra ground rod just below the array. I didn't install the ground rod ahead of the the inspection and expected to argue against it, trying for Exception2. I got signed off without having to install it. Basic