When load was varying very little, PV supply was turned ON. Inverters used can give power factor(PF) in the range of [-0.8, -1] and [0.8, 1.0]
Table 1 shows power requirement when only grid was supplying power. When PV supply was given, reactive power requirement shot up by 16kW. Inverters couldn't give more reactive power, but will load consume more reactive power just because power is coming from different sources?
Table 1:
Table 2:
Please note:
i)PV is connected to 430V Bus with 300meter long wire
ii) Some inverters are around 300 to 1000 meters away from bus