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yi zhong fa sheng zai gao ya jie chu qi mie hu shi nei bu tong xie gu zhang de fen xi yan jiu
Author(s): 
Pages: 60-62
Year: Issue:  4
Journal: Electrical Manufacturing

Keyword:  接触器灭弧室铜屑接地故障分析研究分闸位置风险分析主触头断口动触头;
Abstract: <正>通过对-6.6kVSF6接触器在分闸位置出现一相断口导通现象的故障进行分析研究,分析了该故障形成的原因及可能引起的风险。-6.6kVSF6接触器在进行送电操作过程中,将接触器由试验位置摇入工作位置,在接触器还未合闸的情况下发现A相已经带电导通。调试人员和设备厂家通过打开接触器SF6封闭气室检查确认:导致该接触器在分闸位置时出现A相导通是由于动主触头的挡卡固定槽
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