Cascaded H-Bridge MLI and Three-Phase Cascaded VSI Topologies for Grid-Connected PV Systems with Distributed MPPT

Table 1

The system parameter.

The system parameters used for simulation
DC-link capacitor	4 mF
Grid interface inductor	4.2 mH
DC-DC Ćuk converter switching frequency	40 kHz
Inverter switching frequency	1.5 kHz
Grid-rated RMS voltage	120 V
Reference voltage of configuration A	70 V
Reference voltage of configuration B	150 V
Reference voltage of configuration C	110 V
The system parameters used for experiment
DC-link capacitor	4 mF
Grid interface inductor	4.2 mH
DC-DC Ćuk converter switching frequency	40 kHz
Inverter switching frequency	1.5 kHz
Reference voltage of configurations A, B, and C	40 V
Grid-rated RMS voltage of configuration A	55 V
Grid-rated RMS voltage of configuration B	33 V
Grid-rated RMS voltage of configuration C	44 V