| 交流电窜入直流系统导致失灵保护误动分析及处理 |
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| 引用本文： | 余登举,潘文威,杨永刚.交流电窜入直流系统导致失灵保护误动分析及处理[J].广西电力,2012(3):27-29. |
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| 作者姓名： | 余登举 潘文威 杨永刚 |
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| 作者单位： | 广西平班水电开发有限公司 |
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| 摘 要： | 对一起励磁试验过程中失灵保护动作原因进行分析,发现失灵保护回路设计中存在的问题,拟定了有针对性的防控措施及技术改造方案并加以实施,达到了预期的效果,可为其他电厂同类试验及保护回路隐患排查提供参考。
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| 关 键 词： | 励磁试验 交流窜入直流系统 失灵保护 电缆对地电容 |
Analysis and Treatment of Failure Protection Misoperation Caused by AC Flowing into DC |
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| YU Deng-ju,PAN Wen-wei,YANG Yong-gang.Analysis and Treatment of Failure Protection Misoperation Caused by AC Flowing into DC[J].Guangxi Electric Power,2012(3):27-29. |
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| Authors: | YU Deng-ju PAN Wen-wei YANG Yong-gang |
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| Affiliation: | (Guangxi Pingban Hydropower Development Co.,Ltd,Nanning 530022,China) |
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| Abstract: | The reason of a failure protection misoperation incident in the excitation test is analyzed,and the design problem of the failure protection circuit is found.The prevention and control measures and technology modification scheme were developed and implemented which achieved desired effects and thus can provide references for other power plant in similar tests and hidden troubles detection of protection circuit. |
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| Keywords: | excitation test AC flowing into DC failure protection cable ground capacitance |
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