-
Re: Load not working on PWM controller
In general, the LVD is programmed for some low off voltage (i.e., 11.5 or 10.5 volts battery bus voltage) and turns back on at ~13.x volts. If the LVD is not programmed (or not programmed correctly),…1 · -
Re: Run PV wiring on Power Poles
Schneider and MorningStar have some ~600 VDC input max MPPT charge controllers (others too?). You can run the array at Vmp~400 volts in most climates with a 600 VDC input charge controller--Even bett…1 · -
Re: Partial off-grid system design questions....
Refrigerators (and freezers) are what move you from a "small system" to a medium size... A typical efficient fridge/freezer runs 365 to >450 kWH per year--Or over 1.0 kWH per day. I woul…2 · -
Re: Fusing for a 48V/415Ah battery bank
Fusing at the battery bank is a good idea if you have parallel battery strings (typically 3 or more parallel, one fuse/breaker per parallel string). Technically, the fuse/breaker is to stop high curr…2 · -
Re: Where does solar/renewables go from here? What will happen with President elect Trump?
Hydrogen is quite a difficult gas to store/pipe/etc. You either need a lot of storage space (low temperature) or very high pressure to get reasonable amounts of stored energy (unless you go with liqu…2 ·