| 输电线路几种比率差动保护性能仿真 |
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| 引用本文： | 李俊华,霍兵兵.输电线路几种比率差动保护性能仿真[J].国外电子元器件,2012(3):153-155,161. |
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| 作者姓名： | 李俊华 霍兵兵 |
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| 作者单位： | [1]西京学院机电系自动化教研室,陕西西安710123 [2]西安西瑞智能电气有限公司,陕西西安710065 |
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| 基金项目： | 西京学院院基金（XJ1105） |
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| 摘 要： | 针对输电线路纵联差动保护中常用的常规比率差动保护、复式比率差动保护、故障分量复式比率差动保护的不同特点,采用ATP-EMTP仿真软件模拟的方法,结合这3种判据经高阻发生故障的试验,得出各判据的抗过渡电阻的能力的结论,以便解决差动保护的可靠性和灵敏度问题。
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| 关 键 词： | 比率差动保护 故障分量 灵敏度 复式比率 |
Performance simulation of several differential protection of transmission line |
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| LI Jun-hua,HUO Bing-bing.Performance simulation of several differential protection of transmission line[J].International Electronic Elements,2012(3):153-155,161. |
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| Authors: | LI Jun-hua HUO Bing-bing |
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| Institution: | 1. Department of Electrical and Mechanical Services Department of automation,Xijing University, Xi＇ an 710123, China; 2. X i ＇ an Javelina Intelligent Electrical Company Limited, X i ＇ an 710065, China) |
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| Abstract: | According to the transmission conventional ratio differential protection, complex ratio differential protection and fault component complex ratio differential protection that in common use on the protection of Transmission line,ATP-EMTP method of simulation software simulation is used. The criterion of transition resistance ability of the conclusion of the combination of these three criteria by high resistance fault test is concluded ,in order to solve the reliability and sensitivity of the differential protection. |
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| Keywords: | ratio differential protection fault component sensitivity complex ratio |
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