基于射频信号特征的高压开关特性非接触式测试系统  

Non-Contact Testing System for High Voltage Switching Characteristics Based on Radio Frequency Signal Characteristics

作　　者：俞华 刘宏 李国栋 晋涛 王伟[3] 吴瑟[2] YU Hua;LIU Hong;LI Guodong;JIN Tao;WANG Wei;WU Se(State Grid Shanxi Electric Power Company Electric Power Research Institute,Taiyuan,030001,China;State Grid Shanxi Electric Power Company Electric Taiyuan 030000,China;College of Electronics and Electrical Engineering,North China Power University,Beijing 102206,China)

机构地区：[1]国网山西省电力公司电力科学研究院,太原030001 [2]国网山西省电力公司,太原030000 [3]华北电力大学电子与电气工程学院,北京102206

出　　处：《电子器件》2019年第6期1384-1388,1393,共6页Chinese Journal of Electron Devices

基　　金：国家科技支撑资助项目(2013BAA02B01);国家电网公司科技项目资助(NY71-15-042)

摘　　要：传统高压开关特性测试存在无法在线检测、测量周期长以及接线复杂等问题。分析了高压开关在分闸和合闸时产生射频信号的基本原理和特征,设计了一套基于射频信号特征的高压开关特性非接触式测试系统。并详细阐述了系统的硬件、软件及测试流程,开发了高压开关性能的射频法测试系统样机。最后测试系统的现场测试结果表明,所设计的测试系统能够有效实现高压开关特性的非接触式带电测试,测试结果完全满足工程需求。Traditional high-voltage switch characteristic tests have problems such as inability to detect on-line,long measurement cycle,and complicated wiring.The basic principle and characteristics of the high-frequency switch generating RF signal during the opening and closing are analyzed.A non-contact test system based on the characteristics of RF signal is designed.The hardware,software and test procedures of the system are elaborated,and the prototype of the RF test system for high-voltage switch performance is developed.The field test results of the final test system show that the designed test system can effectively realize the non-contact live test of high-voltage switch characteristics,and the test results fully meet the engineering requirements.

关 键 词：高压开关 射频信号 非接触 测试 样机 

分 类 号：TM615[电气工程—电力系统及自动化]