| 多馈入交直流系统短路比影响因素分析 |
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| 引用本文： | 林伟芳,汤涌,郭小江.多馈入交直流系统短路比影响因素分析[J].电网技术,2011,35(8):64-68. |
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| 作者姓名： | 林伟芳 汤涌 郭小江 |
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| 作者单位： | 中国电力科学研究院,北京市海淀区,100192 |
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| 摘 要： | 随着我国电网的发展，我国南方电网和华东电网出现了多馈入交直流系统。多馈入短路比能够同时反映交流系统的强弱以及直流系统间的相互作用，是构建多馈入直流系统的重要参考指标。通过理论分析深入研究了影响多馈入短路比变化的因素，分析了直流落点间的电气距离（互阻抗1、网络结构，包括网络拓扑、线路阻抗、电源分布等对多馈入短路比的影响，给出了多馈入短路比的变化规律，并通过两馈入直流系统验证了结论。
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| 关 键 词： | 多馈入短路比 电气距离 网络结构 |
Analysis of Influencing Factors of Short Circuit Ratio of Multi-Infeed AC/DC Power Systems |
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| LIN Weifang,TANG Yong,GUO Xiaojiang.Analysis of Influencing Factors of Short Circuit Ratio of Multi-Infeed AC/DC Power Systems[J].Power System Technology,2011,35(8):64-68. |
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| Authors: | LIN Weifang TANG Yong GUO Xiaojiang |
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| Affiliation: | LIN Weifang,TANG Yong,GUO Xiaojiang(China Electric Power Research Institute,Haidian District,Beijing 100192,China) |
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| Abstract: | With the development of power grid in China,multi-infeed HV AC/DC systems are embedded into South China power grid and East China power grid.Multi-infeed short circuit ratio(MSCR) can simultaneously reflect the strength degree of HVAC systems and interaction among HVDC systems,so it is an important reference index in the construction of multi-infeed HVDC power system.The factors influencing MSCR are analyzed in depth theoretically,the influences of such factors as the electrical distance between the positio... |
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| Keywords: | multi-infeed short circuit ratio(MSCR) electrical distance power grid construction |
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