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OffGridKindaGuy · 02-16-16, 06:38 AM

Doesn't the micro inverters lock in phase (60 cycles) with the grid? What would be the difference if the phase is sampled from the grid or the generator? As long as the voltages match (output of the micro inverters and the generator) there shouldn't be an issue..

If the two sources are in phase, the PV would only make the load lighter on the generator. Both would be supplying wattage and assist each other. Both sources should control their own voltage. Might need to tweak the generator output voltage to match the micro inverters but the phase would be generated by the generator..

My concern would be the grid detection of the generator and definite isolation with grid failure..

02-16-16, 06:38 AM	#7
OffGridKindaGuy Hi-Tech Hillbilly Join Date: Mar 2010 Location: Ohio Posts: 97 Thanks: 1 Thanked 16 Times in 15 Posts	Doesn't the micro inverters lock in phase (60 cycles) with the grid? What would be the difference if the phase is sampled from the grid or the generator? As long as the voltages match (output of the micro inverters and the generator) there shouldn't be an issue.. If the two sources are in phase, the PV would only make the load lighter on the generator. Both would be supplying wattage and assist each other. Both sources should control their own voltage. Might need to tweak the generator output voltage to match the micro inverters but the phase would be generated by the generator.. My concern would be the grid detection of the generator and definite isolation with grid failure.. __________________ If it don't, I'll always think it shoulda..