Journal Press India^®

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In order to provide a sustainable option for the generation of electricity, grid integration of PV panels is becoming more popular in developing nations. A PV module with a grid-coupled inverter makes up an AC module used to capture solar energy. Transformerless single stage AC module layouts are among the most effective configurations. Since its first release in 2003, ZSI, one of these arrangements, has seen a rapid evolution that has seen it adopt new topologies and control and modulation strategies to improve its performance from a variety of angles. This study compares and contrasts the modulation techniques used for 3-ZSI in order to highlight their fundamental differences. It then offers a practical method for obtaining high output voltage with minimal voltage stress on the inverter’s switching components.

Keywords

Inverter; Boosting; Switching; Transformer-Less; Shoot-Through States; Parametric Fluctuations

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