A Grid-Connected Multilevel Current Source Inverter and Its Protection for Grid-Disconnection

<table>Operation of the system under PV perturbation. Top to bottom: Ac mains voltage (100 V/div), Output current (1 A/div), Sinusoidal reference (2 V/div), PV panel voltage (50 V/div)<i>.</i> Time 100 ms/div.</table>

International Journal of Photoenergy

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Figure 15

Figure 15: A Grid-Connected Multilevel Current Source Inverter and Its Protection for Grid-Disconnection 