| 基于CVT电容元件击穿的事故分析计算 |
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| 引用本文： | 刘永鑫,王鹏皓,李艳鹏,梁基重,马丽强.基于CVT电容元件击穿的事故分析计算[J].电力电容器与无功补偿,2014,35(6):77-80. |
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| 作者姓名： | 刘永鑫 王鹏皓 李艳鹏 梁基重 马丽强 |
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| 作者单位： | 1. 国网山西电力科学研究院,山西太原,030001
2. 国网太原供电公司,山西太原,030001 |
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| 摘 要： | 针对电容式电压互感器（CVT）因电容元件击穿引起的设备故障问题,结合返厂解体情况,通过对故障电容式电压互感器进行试验,依据试验数据、电容单元数量和电容量进行理论计算,研究得出监测电容式电压互感器二次电压波动的取值范围,并提出运维策略,以进一步提高通过监测二次电压发现电容式电压互感器故障的几率。
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| 关 键 词： | 电容式电压互感器 电容单元 击穿 二次电压 |
Analysis and Calculation on the Fault of CVT Caused by Capacitor Element Breakdown |
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| LIU Yongxin,WANG Penghao,LI Yanpeng,LIANG Jichong,MA Liqiang.Analysis and Calculation on the Fault of CVT Caused by Capacitor Element Breakdown[J].Power Capacitor $ Reactive Power Compensation,2014,35(6):77-80. |
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| Authors: | LIU Yongxin WANG Penghao LI Yanpeng LIANG Jichong MA Liqiang |
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| Affiliation: | LIU Yongxin, WANG Penghao, LI Yanpeng, LIANG Jichong, MA Liqiang( 1. State Grid Shanxi Electric Power Research Institute, Taiyuan 030001, China; 2. State Grid Taiyuan Power Supply Company, Taiyuan 030001, China) |
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| Abstract: | As for the fault of capacitor voltage transformer（CVT）due to breakdown of capacitor element,the theoretical calculation is made based on disassembly of the CVT in factory and on test data,capacitor element numbers and the capacitance throughout test of the faulty CVT,the secondary voltage fluctuation range of CVT is studied and obtained.The operation and the maintenance strategy are proposed so to increase the fault-finding probability of CVT,which will improve the problemfinding probability of CVT by detecting secondary voltage. |
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| Keywords: | capacitor voltage transformer（CVT） capacitor element breakdown secondary voltage |
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