牛 犇(中国航空规划设计研究总院有限公司,北京市 100120)
Analysis on Insulation Ablation Fault of Conductors in Low⁃voltage Compensation Cabinets
NIU Ben(China Aviation Planning and Design Institute(Group)Co.,Ltd.,Beijing 100120,China)
Abstract:The investigation process of a conductor insulation ablation fault in a low⁃voltage compensation cabinet is introduced,and the process of eliminating individual cases through their appearances and finding out the causes through measurement and destructive operation is reproduced.
Key words:low⁃voltage compensation cabinet;reactor;capacitor;harmonic wave;aluminum core winding;copper core winding;conductor insulation ablation;temperature rise
摘 要:介绍一起低压补偿柜内导线绝缘烧蚀故障的调查经过,再现透过表象排除个案、通过测量和破坏性操作找出故障原因的过程。
关键词:低压补偿柜;电抗器;电容器;谐波;铝芯绕组;铜芯绕组;导线绝缘烧蚀;温升
中图分类号:TU852 文献标识码:A
doi:10.3969 / j. issn.1003 - 8493.2020.06.003