I'm in an area where poco is unreliable and raising rates faster then their power lines are starting fires. My monthly bill is about 500 not including all the fuel I have to burn in my generator. The rate is going up by 50% over the next 3 years.
Im installing a 15kw grid tie system with 2 solar edge 7600 inverters. My power needs are roughly 50kwh a day in the summer and 34kwh a day in the winter.
Im going to build a 120kw battery bank out of 3 Nissan leaf 40kw battery packs to take my house off grid. Im building 5 48v stacks wired in series to supply the inverters with 240vdc im also installing a 25kw diesel generator.
My plan is to reconfigure the solar system when the battery bank is done so that the solar system is only charging the batteries through charge controllers. The batteries supply the inverters with 240vdc and the generator kicks in when the solar can't keep up.
My question is what is the best way to combine the generator with the solar system. My thoughts were to build a rectifier bridge for the generator output and tie it to the pv input threw a hv dc link so that the charger controllers always have constant supply. The generator starts/stop signal would come from the battery voltage monitor.
I'm open to ideas of a better way.
Im installing a 15kw grid tie system with 2 solar edge 7600 inverters. My power needs are roughly 50kwh a day in the summer and 34kwh a day in the winter.
Im going to build a 120kw battery bank out of 3 Nissan leaf 40kw battery packs to take my house off grid. Im building 5 48v stacks wired in series to supply the inverters with 240vdc im also installing a 25kw diesel generator.
My plan is to reconfigure the solar system when the battery bank is done so that the solar system is only charging the batteries through charge controllers. The batteries supply the inverters with 240vdc and the generator kicks in when the solar can't keep up.
My question is what is the best way to combine the generator with the solar system. My thoughts were to build a rectifier bridge for the generator output and tie it to the pv input threw a hv dc link so that the charger controllers always have constant supply. The generator starts/stop signal would come from the battery voltage monitor.
I'm open to ideas of a better way.
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