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35 kv gao ya kai guan gui yi chang fang dian yuan yin fen xi
Pages: 38-39+46
Year: Issue:  10
Journal: Electrical Manufacturing

Keyword:  高压开关柜放电穿柜套管铜排;
Abstract: 针对一起35 kV高压开关柜异常放电缺陷,利用便携式局部放电测试仪进行TEV(暂态对地电压)测试,找到了放电量最大的开关柜为某一板间隔,然后对该板设备进行高压试验,在对该间隔出线铜排进行工频交流耐压试验时,发现放电点位于高压铜排和穿柜套管间,最后对放电原因进行了分析,并采取相应的防范措施。
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