Impedance norton modelling of utility-interactive multilevel photovoltaic systems


This paper presents the Norton equivalence model of a multilevel photovoltaic (PV) system based on the well-known T-type Neutral-Point-Clamped inverter (3L-TNPC) connected to the grid by using a LCL filter. The contribution of this work is the development of a current harmonic injection model of this inverter operating under a polluted voltage grid for… (More)


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