Performance Analysis of Grid-Connected Six-Switch Current Source Inverter Under Different Switching Strategies

EasyChair Preprint 4483

Abstract

Six-Switch current source inverter (CSI) is a promising unidirectional DC-AC power conversion topology deduced from the reversed structure of the very sparse matrix rectifier. This latter is a single-stage boost-type inverter suitable for grid-connected applications as it provides active power injection from renewable energy sources into the AC grid. This paper investigates the performance of three different soft-switching strategies for three-phase six-switch grid-connected CSI. These strategies are analyzed in terms of the number of switching transitions, DC-link current ripple, average global value of the conduction and switching power losses, as well as, the quality of the injected grid-currents. The proposed evaluation is based on both, theoretical analysis and computer simulations. A comparative study is, commonly, established and the optimum modulation strategies are selected.

Keyphrases: Grid-connected PV, Modulation Index, PV energy, Power Quality, SVPWM, Switching and Conduction Losses, current ripple, current source inverter, modulation strategy, soft switching

@booklet{EasyChair:4483,
  author    = {Kawther Ezzeddine and Mahmoud Hamouda and Hadi Y. Kanaan and Kamal Al-Haddad},
  title     = {Performance Analysis of Grid-Connected Six-Switch Current Source Inverter Under Different Switching Strategies},
  howpublished = {EasyChair Preprint 4483},
  year      = {EasyChair, 2020}}