| 超高压线路单端暂态量保护的研究现状与展望 |
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| 引用本文： | 吴军基,孔凡坊,叶学勇,李国锋,陆朱卫.超高压线路单端暂态量保护的研究现状与展望[J].电力系统及其自动化学报,2008,20(6). |
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| 作者姓名： | 吴军基 孔凡坊 叶学勇 李国锋 陆朱卫 |
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| 作者单位： | 1. 南京理工大学动力学院,南京,210094
2. 南京理工大学动力学院,南京210094;温州市电力局,温州,325000 |
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| 摘 要： | 基于单端暂态量的超高压输电线路保护具有超高速动作、不受工频现象和TA保护的影响等特点.在总结单端暂态量保护发展历程的基础上,介绍了统一于"单端暂态量保护"这一框架下的各种保护元件,综述了核心元件(距离保护元件、边界保护元件)和辅助元件(启动元件、选相元件、雷电识别元件、刀闸防误动元件)的研究现状,展望了单端暂态量保护发展前景,并指出了今后尚待解决的关键问题和研究思路.
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| 关 键 词： | 超高压输电线路 超高速 单端暂态量保护 距离保护元件 边界保护元件 |
Present Status and Prospect of the Research on Non-unit Transient Based Protection for EHV Power Lines |
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| WU Jun-ji,KONG Fan-fang,YE Xue-yong,LI Guo-feng,LU Zhu-wei.Present Status and Prospect of the Research on Non-unit Transient Based Protection for EHV Power Lines[J].Proceedings of the CSU-EPSA,2008,20(6). |
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| Authors: | WU Jun-ji KONG Fan-fang YE Xue-yong LI Guo-feng LU Zhu-wei |
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| Affiliation: | WU Jun-ji1,KONG Fan-fang1,2,YE Xue-yong1,LI Guo-feng1,LU Zhu-wei1(1.School of Power Engineering,Nanjing University of Science , Technology,Nanjing210094,China,2.Wenzhou Electric Power Bureau,Wenzhou 325000,China) |
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| Abstract: | The extra high voltage(EHV) transmission protection based on non-unit transient quantities has the advantages of ultra-high-speed action,and is not affected by power frequency phenomena and TA saturation.On the basis of summarizing the development course of the non-unit transient based protection,various protective elements unified the framework of non-unit transient based protection are introduced,and the present research situation of kernel elements such as distance protection element,boundary protection ... |
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| Keywords: | EHV transmission lines ultra-high-speed non-unit transient based protection distance protection element boundary protection element |
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