一台中性点电抗器因套管末屏原因导致绕组对地电容量超差的分析  

Analysis of Winding Capacitance to Ground of Neutral Reactor Due to Bushing End Plate

作　　者：马华辉 刘永 韩凯 刘仁磊 杨明明 谢明德 MA Huahui;LIU Yong;HAN Kai;LIU Renlei;YANG Mingming;XIE Mingde(Shandong Power Equipment Co.,Ltd.,Ji'nan 250022,China)

机构地区：[1]山东电力设备有限公司,山东济南250022

出　　处：《变压器》2024年第1期74-76,共3页Transformer

摘　　要：本文中作者介绍了一台中性点电抗器现场交接试验中绕组对地电容量与出厂试验结果偏差较大的案例,发现套管末屏接地故障造成的数据偏差,通过试验数据和试验回路分析最终得出试验结果异常的主要原因。The case is introduced by the authors in this paper,which is about the large deviation between the winding capacitance to ground in the field handover test of a neutral reactor and the factory test results.The completion deviation of the bushing end screen grounding fault is found.The main reason of abnormal test results is obtained by analyzing test datas and test circuits.

关 键 词：中性点电抗器 绕组对地电容量 套管末屏接地 试验回路 

分 类 号：TM406[电气工程—电器]