| 不同风电系统动态电压稳定的分岔分析 |
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| 引用本文： | 许珊珊,汤放奇,周任军,马新惠.不同风电系统动态电压稳定的分岔分析[J].电网技术,2010(5). |
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| 作者姓名： | 许珊珊 汤放奇 周任军 马新惠 |
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| 作者单位： | 长沙理工大学电气与信息工程学院; |
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| 基金项目： | 国家自然科学基金资助项目(70601003)~~ |
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| 摘 要： | 为研究接入风电场的电力系统的风电场注入功率和负荷节点无功功率这2个参数独立及共同作用对系统动态电压稳定的影响,针对接入加入动态负荷模型的异步机风电场和双馈机风电场的单机无穷大系统,分别进行了单参数和双参数分岔分析。分析结果表明,双参数分岔分析相对单参数分岔分析更能揭示系统参数对电压稳定的影响。同一系统结构和参数下,2种系统中当注入功率持续增大时,无功负荷过重会极大降低系统的稳定裕度;当注入功率保持恒定时,无功负荷的变化不影响系统稳定;通过风电场注入功率与无功负荷的协调运作,避开注入功率持续增大时无功负荷重载情况,系统可运行到效率最高;双馈电机风电系统稳定性高于异步电机风电系统,且双馈电机风电系统能得到更准确的系统稳定裕度。
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| 关 键 词： | 异步风电系统 双馈风电系统 电压稳定 动态负荷模型 单参数分岔 双参数分岔 分岔分析 |
Bifurcation Analysis on Dynamic Voltage Stability of Power Grid Connected With Different Wind Power Systems |
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| XU Shan-shan,TANG Fang-qi,ZHOU Ren-jun,MA Xin-hui.Bifurcation Analysis on Dynamic Voltage Stability of Power Grid Connected With Different Wind Power Systems[J].Power System Technology,2010(5). |
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| Authors: | XU Shan-shan TANG Fang-qi ZHOU Ren-jun MA Xin-hui |
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| Affiliation: | XU Shan-shan,TANG Fang-qi,ZHOU Ren-jun,MA Xin-hui (School of Electrical and Information Engineering,Changsha University of Science and Technology,Changsha 410004,Hunan Province,China) |
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| Abstract: | To research the influences of individual and combined actions of the two parameters, i.e., the injection active power from wind farm and reactive power at load nodes, on dynamic voltage stability of power grid to which one of the two kinds of wind farms consisting of induction generators and doubly fed induction generators (DFIG) respectively are connected, the one-parameter and two-parameter bifurcation analysis on dynamic models corresponding to above-mentioned two kinds of wind power farms, to which dyna... |
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| Keywords: | wind farm consisting of induction generators wind farm consisting of doubly-fed generators (DFIG) voltage stability dynamic load model one-parameter bifurcation twoparameter bifurcation bifurcation analysis |
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