Intelligent Control Method for Loss Distribution Balance of High-Power Photovoltaic Grid-Connected Inverters

Table 1

Key parameters of PV inverter.

Parameter	Numerical value
Number of PVs installed in the node	8
Inverter rated capacity	4000 kW/h
Maximum charge and discharge power	450 kW
Inverter total capacity	4500 kW/h
Distribution grid voltage	220 V
Output filter inductor	7mH/0 Ω
Reactive power compensation range	−100∼300 kvar
DC bus capacitance	2500 uF
DC bus voltage	450 V
Distribution network frequency	60 Hz
Inverter remaining capacity threshold	6.0kVA
Operating frequency	40 kHz
DC boost inductor	5 mH