| 一起500 kV主变压器低压侧电抗器保护误跳事件的分析及对策 |
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| 引用本文： | 金红华,何敏,陈媛媛.一起500 kV主变压器低压侧电抗器保护误跳事件的分析及对策[J].浙江电力,2011(10):23-25. |
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| 作者姓名： | 金红华 何敏 陈媛媛 |
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| 作者单位： | 绍兴电力局; |
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| 摘 要： | 通过一起500 kV主变压器低抗保护在启动过程中发生误跳的案例,对低抗保护的配置方式及闭锁条件进行分析,提出合理的方案和措施,以降低低抗保护的误动率。
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| 关 键 词： | 低抗保护 误跳 跳闸逻辑 防范措施 |
Analysis and Countermeasures of Reactor Protection Mistrip Accident on Low-voltage Side of 500 kV Main Transformer |
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| JIN Hong-hua,HE Min,CHEN Yuan-yuan.Analysis and Countermeasures of Reactor Protection Mistrip Accident on Low-voltage Side of 500 kV Main Transformer[J].Zhejiang Electric Power,2011(10):23-25. |
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| Authors: | JIN Hong-hua HE Min CHEN Yuan-yuan |
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| Affiliation: | JIN Hong-hua,HE Min,CHEN Yuan-yuan(Shaoxing Electric Power Bureau,Shaoxing Zhejiang 312000,China) |
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| Abstract: | Illustrated with the reactor protection mistrip accident on low-voltage side of 500 kV main transformer during startup,this paper puts forward the reasonable scheme and measures to reduce mistrips through the analysis of the configuration method and locking conditions of low-voltage reactor protection. |
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| Keywords: | low-voltage reactor protection mistrip trip logic preventive measures |
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