Research on Photovoltaic Hydrogen Generation Microgrid Harmonic Suppression Method Based on Improved Virtual Synchronous Generator Control

2022 4th International Conference on Electrical Engineering and Control Technologies (CEECT) Pub Date : 2022-12-01 DOI:10.1109/CEECT55960.2022.10030714

Liang Wang, Zijiao Han, Chen Ning, Henan Dong, Xin Yao, Yanfeng Ge, Yannan Dong

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Abstract

In order to solve the harmonic problem generated by the electrolytic cell in the high proportion of power electronic equipment and photovoltaic hydrogen generation microgrid, we propose an improved instantaneous reactive power detection method. A harmonic voltage compensator is designed to suppress the voltage harmonic in the photovoltaic hydrogen generation microgrid by dividing the frequency based on the traditional virtual synchronous generator control strategy. This method provides inertia for the distributed power supply of the photovoltaic hydrogen generation microgrid, effectively suppresses the internal harmonic problem of the photovoltaic hydrogen generation microgrid, improves the power quality of the microgrid, and reduces the hydrogen production energy consumption of the electrolytic cell. The simulation results show that this method can realize fast frequency division detection and improve the accuracy of voltage harmonic compensation.

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2022 4th International Conference on Electrical Engineering and Control Technologies (CEECT)

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