| 500kV变电站开关故障原因分析及其防范 |
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| 引用本文： | 王阳,张立权,魏力强,王智慧.500kV变电站开关故障原因分析及其防范[J].江西电力职业技术学院学报,2014(4):14-16. |
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| 作者姓名： | 王阳 张立权 魏力强 王智慧 |
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| 作者单位： | 国网辽宁省电力有限公司;国网河北省电力公司电力科学研究院;国网河南省电力公司新乡供电分公司; |
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| 摘 要： | 介绍某500kV变电站5023开关运行中出现的套管爆裂情况，通过对同型号瓷套试验结果和该套管现场情况的综合分析，认为套管瓷套质量问题和法兰处防水胶老化是引发故障的主要原因，并提出相应的防范措施。
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| 关 键 词： | 负荷电流 继电保护 故障原因 防范措施 |
Fault Cause Analysis and Preventive Measures for a 500kV Breaker |
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| Institution: | WANG Yang, ZHAN Li-quan, WEI Li-qiang, WANG Zhi-hui (1.State Grid Liaoning Electric Power Supply Co.Ldt,Shengyang 110006, China; 2.State Grid Electric Power Company of Hebei Province Electric Power Research Institute,Shijiazhuang 050021, China; 3.State Grid Electric Power Company Xinxiang power supply branch company of Henan Province,Xinxiang 453000, China) |
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| Abstract: | In this paper, the crack case of thimble of 5023 breaker in a 500kV substation is introduced, it is supposed that the quality of porcelain and aging problem of waterproof adhesive is the main reason for the thimble failure through the comprehensive analysis between test results of the same type of porcelain and site conditions of this thimble, and corresponding preventive measures are put forward in the end. |
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| Keywords: | load current relay protection fault cause analysis preventive measures |
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