大电流测试装置的技术实现  

Technical Realization of High Current Test Device

作　　者：赵陆军 ZHAO Lujun(Ruili Power Supply Bureau,Yunnan Power Grid Co.,Ltd.,Ruili 678600,China)

机构地区：[1]云南电网有限责任公司瑞丽供电局

出　　处：《电工技术》2020年第3期65-66,69,共3页Electric Engineering

摘　　要：针对小电流测量接触电阻方面的问题和电解电容器质量重等方面的劣势,研制了大电流测试装置,采用超级电容器来输出千安级的大电流用于测量接触电阻,具有重量轻、现场测量效率高等优点。为验证大电流测试装置的可靠性与准确性,对某220 kV变电站内的GIS开关接触电阻进行了测试,结果表明其测量结果准确、可靠。Aiming at the problem of small current measurement contact resistance and the disadvantage of electrolytic capacitor quality,a large current test device was developed with advantage of light weight and high field measurement efficiency,which used super capacitor to output large current of kA level for measuring contact resistance.In order to verify the reliability and accuracy of the large current test device,the contact resistance of the GIS switch in a 220 kV substation was tested.The measurement results showed that the measurement results of the high current test device developed in this paper were accurate and reliable.

关 键 词：大电流 超级电容 分流器 可控硅开关 

分 类 号：TM930[电气工程—电力电子与电力传动]