Re: [RE-wrenches] Enphase String Breaker Heating Up

2022-08-05 Thread Richard Scott via RE-wrenches
Check the breaker screw length and threads of the bus bar. I have seen where either the screw is just slightly too long and bottoms out or the threads don't go all the way down. This causes the screw to be able to pass the torque test but in reality it's not fully applying pressure to the breaker t

Re: [RE-wrenches] Best Battery

2020-08-11 Thread Richard Scott
Also keep in mind that the battery charge/discharge efficiency is much higher for lithium batteries compared to lead acid. Richard On Tue, Aug 11, 2020 at 8:17 AM Jay wrote: > Hi William, > > I dont do the math based on up front kwh cost, but on lifetime kWh based > on the number of cycles per

Re: [RE-wrenches] UL 1741

2010-12-16 Thread Richard Scott
set point) < 57.0    0.16 Sincere regards, Richard Scott KACO New Energy On 12/16/2010 5:52 PM, Glenn Burt wrote: Does anyone have the text of UL 1741 and can tell me how much time is al

Re: [RE-wrenches] Is delay 1741?

2010-11-29 Thread Richard Scott
Hello Drake, The 5 minute delay is only required in the event of an AC grid fault. This would only be an issue if you cycled the AC power and the inverter started in less than 5 minutes. Sincere regards, Richard Scott KACO new energy On 11/29/2010 7:18 AM, Drake wrote: Hello Wrenches, I

Re: [RE-wrenches] 120 volt grid tie inverter

2010-11-16 Thread Richard Scott
PV array and can damage the inverter or cause it to fail in a way which could be unsafe. Sincere regards, Richard Scott KACO New Energy On 11/16/2010 10:34 AM, Peter Parrish wrote: Bob, So he is grid-tied. But his household loads are all 100 Vdc? I wonder how he charges his battery bank...If