| 永磁风电系统低电压穿越控制策略研究 |
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| 引用本文： | 郑荣美,朱凌.永磁风电系统低电压穿越控制策略研究[J].电力科学与工程,2012,28(4):14-18. |
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| 作者姓名： | 郑荣美 朱凌 |
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| 作者单位： | 华北电力大学电气与电子工程学院,河北保定,071003 |
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| 摘 要： | 针对Boost升压型永磁直驱型风电系统,分析了其发电机侧和网侧变流器的控制策略.为增强其低电压穿越能力,提出了一种基于转子储能和网侧无功优先输出的控制策略.通过减小发电机的有功输出来降低直流侧过电压,通过控制网侧无功输出来提升电网电压.基于Matlab/Simulink 7.10搭建了仿真模型.仿真结果证明了该控制策略的有效性.
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| 关 键 词： | 风力发电 电压跌落 低电压穿越 永磁同步发电机 Boost |
Improved Control Strategy for Low Voltage Ride-through of Permanent Magnet Direct-driven Wind Power Generation System |
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| Zheng Rongmei
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Zhu Ling.Improved Control Strategy for Low Voltage Ride-through of Permanent Magnet Direct-driven Wind Power Generation System[J].Power Science and Engineering,2012,28(4):14-18. |
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| Authors: | Zheng Rongmei Zhu Ling |
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| Affiliation: | (School of Electrical and Electronic Engineering,North China Electric Power University,Baoding 071003,China) |
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| Abstract: | Based on the boost chopper converter of the permanent magnet direct-driven wind power generation system,The control strategies for generator-side converter and grid-side converter are analyzed.To improve the low voltage ride-through(LVRT) capability of direct-driven wind turbine system,based on the rotor energy storage and reactive power output maximum are proposed.The active power of generator-side converter is introduced to generator in order to limit the electromagnetic power of the generator and decrease the DC-link overvoltage,the grid-side converter according to the grid voltage drop depth,exports reactive power rapidly to increase the grid-side voltage.Matlab/ Simulink 7.10 model was set up,and the system simulation verify the validity and the feasibility. |
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| Keywords: | wind power generation voltages dip low voltage ride-through(LVRT) permanent magnet synchronous generators(PMSG) Boost |
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