| 不对称电网故障下直驱型永磁风力发电系统网侧变流器的运行与控制 |
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| 引用本文： | 黄守道,肖磊,黄科元,陈自强,熊山. 不对称电网故障下直驱型永磁风力发电系统网侧变流器的运行与控制[J]. 电工技术学报, 2011, 0(2): 173-180 |
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| 作者姓名： | 黄守道 肖磊 黄科元 陈自强 熊山 |
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| 作者单位： | 湖南大学电气与信息工程学院; |
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| 基金项目： | 教育部高等学校博士学科点专项科研基金(200805321038); 国家自然科学基金青年科学基金(50907020); 湖南省自然科学重点研究项目(10JJ8003)资助 |
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| 摘 要： | 分析了三相不平衡电网电压下直驱永磁同步风力发电机组直流母线电压波动的机理,研究了消除不平衡功率传输引起的二次纹波控制策略,以提高变流器在电网不对称故障下的故障穿越能力.通过将比例积分谐振控制器引入直驱型永磁风电机组网侧变流器控制,在正序同步旋转坐标系下同时对正负序电流进行稳态无差调节,来抑制负序电流失控所引起的直流母线...
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| 关 键 词： | 风力发电 直驱式 不对称故障 故障穿越 谐振控制器 |
Operation and Control on the Grid-Side Converter of the Directly-Driven Wind Turbine With PM Synchronous Generator During Asymmetrical Faults |
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| Huang Shoudao Xiao Lei Huang Keyuan Chen Ziqiang Xiong Shan. Operation and Control on the Grid-Side Converter of the Directly-Driven Wind Turbine With PM Synchronous Generator During Asymmetrical Faults[J]. Transactions of China Electrotechnical Society, 2011, 0(2): 173-180 |
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| Authors: | Huang Shoudao Xiao Lei Huang Keyuan Chen Ziqiang Xiong Shan |
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| Affiliation: | Huang Shoudao Xiao Lei Huang Keyuan Chen Ziqiang Xiong Shan(Hunan University Changsha 410082 China) |
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| Abstract: | Fluctuation mechanism on DC voltage of converter and stability control strategy in order to improve the capability of faults ride through were studied when asymmetry faults took place.By the introduction of proportional-integral-resonant controller to grid-side converter,and steady-state non-poor regulation for positive and negative sequence current in the positive-sequence synchronous rotating frame,a new control algorithm was proposed to eliminate the quadratic fluctuations of DC voltage caused by the neg... |
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| Keywords: | Wind power directly-driven asymmetrical faults fault ride through resonant controller |
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