Grid-Connected Photovoltaic System with Active Power Filtering Functionality

Table 1

Simulation and experimental parameters.

Photovoltaic array
Maximum power	200 W
Open-circuit voltage	92 V
Short-circuit current	4.76 A
Nominal voltage (MPP)	67 V
Nominal current (MPP)	3.6 A
Topology
DC/DC boost converter inductor	3.5 mH
DC link voltage	250 V
Energy storage capacitor	330 μF
Output inductor	4 mH
DC/DC boost converter switching frequency	39 kHz
Inverter switching frequency	90 kHz
PI controller
Gain	0.05
Time constant	0.05
Nonlinear load
Power factor	68%
Apparent power	105 VA
Grid
Frequency	60 Hz
Grid voltage	120 V rms