| 一起220 kV线路保护误动事故的分析和处理 |
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| 引用本文： | 陈杰云. 一起220 kV线路保护误动事故的分析和处理[J]. 南方电网技术, 2008, 2(1): 67-70 |
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| 作者姓名： | 陈杰云 |
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| 作者单位： | 广东电网公司佛山供电局,广东,佛山,528000 |
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| 摘 要： | 介绍一起220kV线路区外故障时保护误动的经过，分析了事故发生的原因，并对线路保护PTN线的接法进行改进。
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| 关 键 词： | 线路保护 误动 PT中性点 |
Analysis and Treatment of a 220 kV Transmission Line Relay Misacton Fault |
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| CHEN Jie-yun. Analysis and Treatment of a 220 kV Transmission Line Relay Misacton Fault[J]. Southern Power System Technology, 2008, 2(1): 67-70 |
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| Authors: | CHEN Jie-yun |
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| Affiliation: | CHEN Jie-yun (Guangdong Power Grid Company, Foshan Power Supply Bureau, Foshan, Guangdong 528000, China) |
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| Abstract: | A misaction fault of a 220 kV transmission line relay at a 500 kV substation is introduced, and the cause of the fault is analyzed. Furthermore an improvement method for the PT neutral point connection is presented. |
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| Keywords: | line protection maloperation PT neutral point |
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