基于直流电压限制的PMSG风电系统LVRT控制策略

Proceedings of The 7th International Power Electronics and Motion Control Conference Pub Date : 2012-06-02 DOI:10.1109/IPEMC.2012.6258995

K. Qu, Jinbin Zhao, Yuehong Xing

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引用次数: 5

摘要

针对直驱永磁同步发电机(PMSG)风力发电系统，提出了一种基于全功率变换器的低压穿越控制策略。根据LVRT的要求，在风电侧和电网侧功率平衡的基础上，通过限制直流链路电压的上升来实现控制策略。仿真结果验证了该方法的有效性，实现了LVRT，功率均衡，响应跟踪快。

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A LVRT control strategy based on DC-link voltage limit for PMSG wind generation system

A Low-voltage ride-through (LVRT) control strategy is presented with full-power converter for direct-drive permanent magnet synchronous generator (PMSG) wind-power system. According to the LVRT requirements, control strategy is realized by limit the rise of DC-link voltage on basis of power balance between wind power side and grid side. Simulation results verify the effectiveness of the proposed method that the LVRT is achieved, power balanced and response quickly traced.

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Proceedings of The 7th International Power Electronics and Motion Control Conference

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