基于改进虚拟同步发电机控制的光伏制氢微网谐波抑制方法研究

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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引用次数: 0

摘要

为了解决电解电池在高比例电力电子设备和光伏制氢微电网中产生的谐波问题，提出了一种改进的瞬时无功功率检测方法。在传统虚拟同步发电机控制策略的基础上，设计了谐波电压补偿器，通过分频抑制光伏制氢微电网中的电压谐波。该方法为光伏制氢微电网的分布式供电提供了惯性，有效抑制了光伏制氢微电网的内部谐波问题，提高了微电网的电能质量，降低了电解槽制氢能耗。仿真结果表明，该方法可以实现快速分频检测，提高电压谐波补偿的精度。

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

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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