电缆接地故障诊断技术在钢铁企业的应用  

Application of Cable Grounding Fault Diagnosis Technology in Steel Enterprises

作　　者：苟新超 徐明 孙永丰 GOU Xinchao;XU Ming;SUN Yongfeng(Jiangsu Yonggang Group Co.,Ltd.,Zhangjiagang,Jiangsu 215628,China)

机构地区：[1]江苏永钢集团有限公司,江苏张家港215628

出　　处：《冶金动力》2025年第2期44-47,共4页Metallurgical Power

摘　　要：针对某企业发生的变压器保护动作跳闸失电故障,通过对变压器失电原因的分析,确定了此次变压器失电是控制电缆故障引起的保护误动作。利用精密诊断技术准确定位了故障点并进行绝缘修复处理,快速恢复了系统正常供电。The paper addresses a transformer protection tripping and power loss fault in an enterprise.Through analysis of the causes of the transformer power loss,it was determined that the fault was caused by a control cable fault leading to a protection misoperation.Using precise diagnostic technology,the fault point was accurately located,and insulation repair was performed,quickly restoring normal power supply to the system.

关 键 词：电缆接地故障诊断 低压脉冲反射法 故障测距 

分 类 号：TM246[一般工业技术—材料科学与工程]