用于智能型断路器的电子式电流电压组合互感器

New Type of Electronic Current and Voltage Combined Sensors for Smart Circuit-breaker

介绍一种新型的用于智能型柱上断路器的电子式电压电流互感器。和传统的互感器相比,这种新型的互感器有好的暂态特性和兼容性,体积小,节约费用并易于数字式控制单元相连。笔者对新型互感器的原理和基本结构及试验情况进行了论述。

This paper introduces a new generation electronic current and voltage instrument transformer suitable for the smart circuit-breaker.As compared with traditional instrument transformers,these new sensors have superior transient operation characteristics and compatibility,small volume,less weight,saves the cost,and is easily connected with digital controlling and measuring unit.Furthermore,the basic principle,structure and test cases are discussed.