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高压电器  2015 

高频脉冲电流法在XLPE电缆终端带电测试中的应用

, PP. 99-103

Keywords: 高频脉冲电流,局部放电,XLPE电缆终端,局放测试,EMTP/ATP

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Abstract:

简单介绍了高频脉冲电流法检测原理,并使用EMTP/ATP对其建模仿真,根据仿真结果得出电缆终端存在局部放电的判据。针对某110kVXLPE电缆终端红外测温中出现异常的情况,应用高频脉冲电流法进行局部放电测试,确定了电缆终端B相内部存在局部放电。最后通过对电缆终端进行解体发现其内部严重受潮,进一步验证了高频脉冲电流法在XLPE电缆终端带电测试的有效性及仿真判据的实用性。

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