DFIG的次同步谐振分析及抑制策略

2018 IEEE International Power Electronics and Application Conference and Exposition (PEAC) Pub Date : 2018-11-01 DOI:10.1109/PEAC.2018.8590401

Hongyan He, Dianshun Lv, Lu Wen, Wei Lu, H. Geng, Jun'e Gao

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引用次数: 2

摘要

风力发电机组串联补偿传输系统与双馈感应发电机(DFIG)控制系统之间的相互作用可能引起次同步谐振，称为次同步控制相互作用(SSCI)。为了分析这一现象并提供相应的抑制措施，深入探讨了SSR电路与DFIG控制的关系，并提出了两种策略，包括详细的设计方法。进一步分析了采用不同滤波器附加阻尼控制对SSR的抑制效果。最后，通过Matlab/Simulink对所讨论的策略进行了验证，为解决风电场SSCI引起的SSR问题提供了理论支持。

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Analysis and Suppression Strategies of Sub-synchronous Resonance on DFIG

Sub-synchronous resonance (SSR) may be caused by the interaction between wind turbine series compensation transmission system and control of doubly-fed induction generator (DFIG), which is called sub-synchronous control interaction (SSCI). To analyze this phenomenon and provide corresponding suppression measures, the relation between SSR circuit and control of DFIG is explored deeply, and two strategies are proposed, including the detailed design methods. Furthermore, the paper analyzes the restrained effects on SSR by using additional damping control with different filters. Eventually, the discussed strategies have been verified through Matlab/Simulink, which provides a theoretical support to solve the SSR caused by SSCI in the wind farm.

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2018 IEEE International Power Electronics and Application Conference and Exposition (PEAC)

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