电容型高压电气设备绝缘在线监测的关键技术  

Key Technology of Insulator on-line Monitoring of Capacitive High Voltage Power Equipment

作　　者：李波 文婷[2] 卢剑[3] 周利军[3] 

机构地区：[1]广东电网电力调度控制中心,广州510600 [2]广东电网公司管理科学研究院,广州510600 [3]西南交通大学电气工程学院,成都610031

出　　处：《电气开关》2012年第5期4-7,共4页Electric Switchgear

摘　　要：为保障高压电力设备安全运行,设计了容性高压电气设备(高压套管、电容式电压互感器、电流互感器、避雷器)的在线监测系统,详细阐述了其监测电路的设计,包括:零磁通电流传感器、采集控制单元。设计的双级零磁通电流传感器有效提高了监测精度,采用220V电源信号作为同步的技术大幅度增加了固定时间内允许测量的次数,提高了测试效率,该在线监测系统已经在投入使用,运行结果表明具有很好的效果。In order to ensure high Voltage electric equipment in safe operation,an on-line monitoring system of capacitive high voltage electric equipment containing high voltage sleeve,capacitance voltage transformer,current transformer and lightning arester has been designed.It explains the desigh of its monitoring circuit,including zero-flux current sensor and data acquisition unit.The designed double-level zero-flux current sensor has improved monitoring accuracy effectively.power source signal of 220kV as synchronous technology,increasing allowable measurement times within fixed time by a wide margin,raising the testefficiency.The on-lime monitoring system has been put into service.The result shows that it has fine effect.

关 键 词：高压电气设备 在线监测 零磁通电流传感器 

分 类 号：TM51[电气工程—电器]