| 变速恒频双馈风力发电机组的空载并网技术 |
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| 引用本文： | 张翠,纪志成.变速恒频双馈风力发电机组的空载并网技术[J].江南大学学报(自然科学版),2011,10(5). |
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| 作者姓名： | 张翠 纪志成 |
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| 作者单位： | 江南大学智能控制研究所,江苏无锡,214122 |
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| 基金项目： | 国家自然科学基金项目(61174032); 教育部新世纪人才支持计划(NCET-10-0437) |
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| 摘 要： | 为了实现大容量风电机组的无冲击软并网,基于电网电压定向矢量控制原理,针对变速恒频双馈风力发电机组的运行特点,通过选取合适的切换函数,抑制外部扰动引起的电网电压波动,提出一种基于转子电流参考值的双积分变结构控制策略。该控制方法动态响应快,对电网电压波动及电机参数变化具有较强的鲁棒性,并可避免基于定子磁链定向矢量控制方法中定子磁链检测不准确给电网造成的冲击。仿真结果表明,该方法是有效的。
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| 关 键 词： | 风力发电 双馈异步发电机 空载并网 电网电压定向 双积分变结构控制 |
Research on Idle Load Grid Connection Technology for Variable Speed Constant Frequency Doubly Fed Wind Power Generation |
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| ZHANG Cui,JI Zhi-cheng.Research on Idle Load Grid Connection Technology for Variable Speed Constant Frequency Doubly Fed Wind Power Generation[J].Journal of Southern Yangtze University:Natural Science Edition,2011,10(5). |
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| Authors: | ZHANG Cui JI Zhi-cheng |
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| Affiliation: | ZHANG Cui,JI Zhi-cheng(Institute of Electrical Automation,Jiangnan University,Wuxi 214122,China) |
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| Abstract: | In order to achieve shockless grid connection of the wind generator with high-capacity,the article presents double integral sliding mode control strategy based on the reference value of the current of the rotor.This is done by analyzing the operation behavior of variable speed constant frequency(VSCF) wind power generation based on doubly fed induction generator.This control strategy has quickly dynamic response and strong robustness for grid voltage fluctuation and the variation of motor parameters.Also,th... |
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| Keywords: | wind power doubly-fed induction generator no-load grid connection grid voltage orientation double integral variable structure control |
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