Simulation analysis of photovoltaic grid-connected inverter system based on two-stage structure

YuJi Liu; Hong Fan

doi:10.1117/12.2680186

31 May 2023 Simulation analysis of photovoltaic grid-connected inverter system based on two-stage structure

YuJi Liu, Hong Fan

Proceedings Volume 12704, Eighth International Symposium on Advances in Electrical, Electronics, and Computer Engineering (ISAEECE 2023); 127041F (2023) https://doi.org/10.1117/12.2680186
Event: 8th International Symposium on Advances in Electrical, Electronics and Computer Engineering (ISAEECE 2023), 2023, Hangzhou, China

Abstract

The article proposes a PV grid-connected inverter system based on a two-stage structure. The two-stage structure is composed of the front-stage boost circuit combined with the disturbance observation method for maximum power point tracking and the rear-stage full- bridge inverter circuit. The control strategy adopts voltage and current double closed-loop control, and at the same time adds grid voltage feedforward control, which can effectively suppress the impact caused by grid voltage fluctuations. Finally, using Matlab/Simulink to build a system model and conduct simulation experiments to verify the feasibility of the system.

Citation Download Citation

YuJi Liu and Hong Fan "Simulation analysis of photovoltaic grid-connected inverter system based on two-stage structure", Proc. SPIE 12704, Eighth International Symposium on Advances in Electrical, Electronics, and Computer Engineering (ISAEECE 2023), 127041F (31 May 2023); https://doi.org/10.1117/12.2680186

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