| 基于贝瑞隆模型的半波长交流输电线路电流差动保护原理 |
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| 引用本文： | 肖仕武,程艳杰,王亚. 基于贝瑞隆模型的半波长交流输电线路电流差动保护原理[J]. 电网技术, 2011, 35(9): 46-50 |
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| 作者姓名： | 肖仕武 程艳杰 王亚 |
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| 作者单位： | 1. 华北电力大学电气与电子工程学院,北京市昌平区,102206
2. 柳州供电局,广西壮族自治区柳州市,545000 |
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| 摘 要： | 半波长交流输电线路输送距离长、电压等级高,传统继电保护方案不能满足要求.文章考虑线路分布参数特性,采用均匀传输线特性方程,结合对称分量法,对半波长线路区内外故障特征进行了理论分析,仿真实验表明理论推导结果与实际情况基本相符.根据半波长线路的故障特性,文中提出一种基于贝瑞隆线路模型的适用于半波长交流输电线路的电流差动保护...
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| 关 键 词： | 半波长交流输电 贝瑞隆模型 继电保护 电流差动保护 |
A Bergeron Model Based Current Differential Protection Principle for UHV Half-wavelength AC Transmission Line |
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| XIAO Shiwu , CHENG Yanjie , WANG Ya. A Bergeron Model Based Current Differential Protection Principle for UHV Half-wavelength AC Transmission Line[J]. Power System Technology, 2011, 35(9): 46-50 |
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| Authors: | XIAO Shiwu CHENG Yanjie WANG Ya |
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| Affiliation: | XIAO Shiwu1,CHENG Yanjie1,WANG Ya2(1.School of Electrical and Electronic Engineering,North China Electric Power University,Changping District,Beijing 102206,China,2.Liuzhou Power Supply Bureau,Liuzhou 545000,Guangxi Zhuang Autonomous Region,China) |
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| Abstract: | Due to its features in long transmission distance and high voltage grade,traditional relay protection scheme cannot meet the requirement of half wave-length AC transmission(HWACT).Considering distributed parameter characteristic of half wave-length AC transmission line,by use of the characteristic equation of uniform transmission line and integrating with symmetrical component,the fault characteristics of HWACT line inside and outside the protction zone are theoretically analyzed,and simulation results show... |
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| Keywords: | half wave-length AC transmission Bergeron model relay protection current differential protection |
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