| 双母双分段母线保护配置及分段开关失灵改造 |
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| 引用本文： | 汤弋,冯凝,李煜磊.双母双分段母线保护配置及分段开关失灵改造[J].华中电力,2011,24(4):72-75. |
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| 作者姓名： | 汤弋 冯凝 李煜磊 |
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| 作者单位： | 湖北省超高压输变电公司,湖北武汉,430050 |
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| 摘 要： | 介绍了光谷变电站220kV双母双分段母线保护配置方式,分析了常规分段断路器启动失灵保护二次回路的缺点,提出了新的光谷变电站分段断路器失灵二次回路改造设计.并对BP-2B母线保护在分段单元刀闸断线接地故障时无法正确动作,提出了解复压闭锁改造设计.
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| 关 键 词： | 双母双分段 分段开关失灵 复合电压闭锁 |
Busbar Protection Configuration and Subsection Switch Malfunction Modification for 4-sections Busbar |
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| TANG Yi,FENG Ning,LI Yu-lei.Busbar Protection Configuration and Subsection Switch Malfunction Modification for 4-sections Busbar[J].Central China Electric Power,2011,24(4):72-75. |
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| Authors: | TANG Yi FENG Ning LI Yu-lei |
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| Affiliation: | HuBei EHV Transmission and Substation Company,Hubei EHV Transmission and Substation Company,Hubei EHV Transmission and Substation Company |
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| Abstract: | This article introduced the deployment of 4-section busbar protection for 220 kV lines in Guanggu transformer substation.The defects of normal subsection switch start-up malfunction protection in secondary circuit was analyzed,and a reform design on the secondary circuit for subsection switch malfunction protection in Guanggu transformer substation was proposed.The study puts forward a reform design of removing compound voltage blockout which can help solve the problem that the BP-2B busbar protection can't... |
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| Keywords: | 4-sections busbar subsection switch malfunction compound voltage protection blockout |
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