异频技术电容式电压互感器测试  

Research of the Method on Capacitor Voltage Transformer on-site Calibration

作　　者：冯跃[1] 

机构地区：[1]云南电网公司文山供电局,云南文山663000

出　　处：《云南电力技术》2014年第6期71-74,共4页Yunnan Electric Power

摘　　要：分析了传统CVT检定原理存在的问题,并对影响CVT误差的因素进行了介绍,研究应用异频小信号测试原理实现CVT的误差检定的方法,并进行现场验证。This paper analyzes the problems existing in the traditional CVT calibration technology, and introduces the influence fac-tors of the CVT error, and research the calibration CVT method with applying pilot frequency small signal testing principle, and the test the CVT in field to prove its feasibility.

关 键 词：电容式电压互感器 传统CVT校验方法 谐振升压 异频小信号测试法 

分 类 号：TM451[电气工程—电器]