35kV开关柜局部放电问题研究  

Research on Partial Discharge of 35kV Switchgear Cabinet

作　　者：李菁 王晓康 LI Jing;WANG Xiaokang(China Tobacco Hunan Industrial Co.,Ltd.Wuzhong Cigarette Factory,Wuzhong 751100,China;State Grid Wuzhong Electric Power Supply Company,Wuzhong 751100,China)

机构地区：[1]湖南中烟工业有限责任公司吴忠卷烟厂,宁夏吴忠751100 [2]国网宁夏电力有限公司吴忠供电公司,宁夏吴忠751100

出　　处：《山东电力高等专科学校学报》2022年第6期18-21,26,共5页Journal of Shandong Electric Power College

摘　　要：分析了35 kV开关柜局部放电的表现特征,提出了暂态地电压、特高频、超声波相结合的带电检测方法,并以某35 kV开关柜局部放电故障为例,阐述了带电检测、故障定位、综合分析、停电处理的过程,提出了相应的预防措施。该方法可提高开关柜局部放电带电检测的准确性,保证开关柜可靠运行。The performance characteristics of partial discharge of 35 kV switchgear cabinet are analyzed,the live detection method combining transient earth voltage,ultra high frequency and ultrasonic wave is proposed.Taking the partial discharge fault of a35 kV switchgear cabinet as an example,the process of live detection,fault location,comprehensive analysis and power cut treatment is described,and the corresponding precautionary measures are proposed.This method can improve the accuracy of live detection of partial discharge of switchgear cabinet and ensure the reliable operation of switchgear cabinet.

关 键 词：暂态地电压 特高频检测 超声波检测 带电检测 

分 类 号：TM591[电气工程—电器]