双馈感应发电机有功、无功简化控制及STATCOM仿真

2009 Twenty-Fourth Annual IEEE Applied Power Electronics Conference and Exposition Pub Date : 2009-03-21 DOI:10.1109/APEC.2009.4802936

L. Chun, K. Yong, Chen Jian, Kevin Lee, Xinchun Lin, xiaohu Liu, Feidong Xu

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引用次数: 20

摘要

由于双馈感应发电机(DFIG)变流器是由滑差功率(占总功率的25-30%)设计的，以实现对发电机的完全控制，因此当电压低于公共耦合点(PCC)的可容忍电网电压水平时，没有足够的容量提供无功功率。本文提出用静态同步补偿器(STATCOM)来补偿电网电压下降，以改善弱电网或不对称负载下的电能质量。介绍了一个6 MVA风电场的简化有功和无功控制策略。实现了最大功率点跟踪(MPPT)算法。在Matlab/Simulink和PLECS平台上的仿真结果表明，采用DFIG和STATCOM的风电场性能良好，验证了分析结论。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Simplified Active and Reactive Power Control of Doubly Fed Induction Generator and the Simulation with STATCOM

Since the Doubly Fed Induction Generator (DFIG) converters are designed by the slip power (a fraction 25-30% of the total power) to achieve full control of the generator, there is not enough capacity to provide reactive power when the voltage dips below the tolerable grid voltage level at the Point of Common Coupling (PCC). We propose in this paper to use the Static Synchronous Compensator (STATCOM) for compensating the grid voltage dip to improve the power quality in a weak grid or asymmetrical load. The simplified active and reactive power control strategies of a 6 MVA wind farm with DFIG are described. The Maximal Power Point Tracking (MPPT) algorithm is implemented. The simulation results using the platform between Matlab/Simulink and PLECS demonstrate the good performance of the wind farm with DFIG and STATCOM, validating the analytical conclusions.

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2009 Twenty-Fourth Annual IEEE Applied Power Electronics Conference and Exposition

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