CT端子箱电缆发热故障危害及预防措施  

Harm and Preventive Measures of CT Terminal Box Cable Heating Fault

作　　者：李璐 何钦 Li Lu;He Qin(Ultra High Voltage Company,State Grid Hubei Electric Power Co.,LTD.,Wuhan 430064,China)

机构地区：[1]国网湖北省电力有限公司超高压公司,武汉430064

出　　处：《黑龙江科学》2023年第18期152-154,共3页Heilongjiang Science

摘　　要：以某变电站35 kV低压测CT端子箱中的电缆接头发热现象为例,介绍了电缆接头发热及缺陷的基本情况,对高压电缆接线方式及发热接地端子进行检查,确认导致发热的主要原因,提出了相应的解决方案及防范CT端子箱电缆发热故障的措施,以保障变电站的安全稳定运行。Through taking electric heating defect of the cable joint of 35 kV low voltage side CT terminal box,the study introduces the basic situation of cable joint heating and defects,examines the high voltage cable wiring mode and heating grounding terminal,determines the main causes of heating,and proposes the corresponding solutions and measures to prevent CT terminal box cable heating fault,so as to ensure the safe and stable operation of substation.

关 键 词：高压电缆 温升 感应电流 保护接地 

分 类 号：TM63[电气工程—电力系统及自动化]