直驱永磁同步风力发电机的最佳风能跟踪控制Optimal Wind-Energy Tracking Control of Direct-Driven Permanent Magnet Synchronous Generators for Wind Turbines
姚骏;廖勇;瞿兴鸿;刘刃;
摘要(Abstract):
与双馈交流励磁风力发电系统相比,直驱永磁同步风力发电系统具有结构简单、发电效率及运行可靠性高等优点。文章采用双脉宽调制(pulse-width modulation,PWM)变换器作为直驱永磁同步发电机的并网电路,根据风力机和发电机的运行特性提出了一种基于最佳功率给定的发电机最大风能跟踪控制策略。建立了基于双PWM变换器的直驱永磁同步风力发电实验系统,实验结果验证了所提出控制策略的正确性。该发电系统可实现最大风能跟踪控制、并网有功和无功功率独立控制以及变速恒频发电运行。
关键词(KeyWords): 直驱风力发电;永磁同步发电机;双脉宽调制变换器;变速恒频;最佳风能跟踪
基金项目(Foundation): 国家863高技术基金项目(2007AA05Z422);; 重庆市科委自然科学基金计划资助项目(CSTC2006BB6216)~~
作者(Author): 姚骏;廖勇;瞿兴鸿;刘刃;
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DOI:
参考文献(References):
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