一种多功能微机型直流系统绝缘监测试验装置  

A Multifunctional Microcomputer-based Test Device for the Insulation Monitoring System of the DC system

作　　者：肖星 范德和 王振刚 李新海 温云龙 XIAO Xing;FAN Dehe;WANG Zhengang;LI Xinhai;WEN Yunlong(Zhongshan Power Supply Bureau of Guangdong Power Grid Co.,Ltd.,Guangdong Zhongshan 528400,China)

机构地区：[1]广东电网有限责任公司中山供电局,广东中山528400

出　　处：《广西电力》2023年第1期68-74,共7页Guangxi Electric Power

基　　金：广东电网有限责任公司科技项目(GDKJXM20212225)。

摘　　要：直流系统作为变电站中自动控制、继电保护、安自装置和信号装置的供电电源,其工作状况的好坏直接影响到电力系统的安全稳定运行。为避免变电站直流系统绝缘监测试验时误碰造成直流回路短路,进而引发设备损坏及人身伤害等事故,本文研制了一种微机型直流系统绝缘监测试验装置及方法,该装置接线简便,一键操作即可完成直流系统绝缘监测相关试验,提高了作业效率,保障了作业安全。且使用该装置进行直流系统绝缘监测试验可提高试验精度,使试验结果更加准确。The DC system is used as the power supply for automatic control,relay protection,self-installation and signaling devices in substations.The quality of its working conditions directly affects the safe and stable operation of the power system.In order to avoid accidental contact during the DC system insulation monitoring test of the substation to cause a short circuit of the DC circuit,which may cause equipment damage and personal injury,a microcomputer-based DC system insulation monitoring test device and method are developed in this paper.The device is easy to connect and one-key The operation can complete the relevant tests of the DC system insulation monitoring,which improves the operation efficiency and guarantees the safety of the operation.And the use of this device for DC system insulation monitoring test can improve test accuracy and make test results more accurate.

关 键 词：变电站直流系统 微机装置 绝缘监测 直流接地 交流窜入 

分 类 号：TM934.3[电气工程—电力电子与电力传动]