| 超高压线路CKJ型保护超越误动的分析和防范对策 |
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| 引用本文： | 郭胜民,麦绍仪,丁富春.超高压线路CKJ型保护超越误动的分析和防范对策[J].广东电力,2000,13(4):33-35. |
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| 作者姓名： | 郭胜民 麦绍仪 丁富春 |
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| 作者单位： | 1. 南海发电A厂,广东,南海,528211
2. 恩平市电力工业局,广东,恩平,529400 |
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| 摘 要： | 超高压线路集成型ＣＫＪ保护在广东省电网内已出现几次接地距离Ⅰ段超越误动的情况。针对这种情况，从保护原理上对其超越情况进行分析，并对距离保护在双侧电源短线路的保护配合提出看法。
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| 关 键 词： | 距离保护 误动作 超高压线路 CKJ型保护 |
Analysis and countermeasures of override maloperation of CKJ protection for EHV transmission lines |
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| GUO Sheng-min,MAI Shao-yi,DING Fu-chun.Analysis and countermeasures of override maloperation of CKJ protection for EHV transmission lines[J].Guangdong Electric Power,2000,13(4):33-35. |
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| Authors: | GUO Sheng-min MAI Shao-yi DING Fu-chun |
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| Affiliation: | GUO Sheng min 1,MAI Shao yi 1,DING Fu chun 2 |
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| Abstract: | The earth fault distance section I protective relay of integrated circuit type CKJ protection for EHV transmission lines in Guangdong Province experienced override maloperation several times. In this connection, the override is analyzed in terms of protection principles. Suggestions on protection coordination of short line with duplicate supply are put forth as well. |
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| Keywords: | transmission line distance protection duplicate supply line characteristics of zero sequence reactance unwanted operation of protection |
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