Original electromagneticcurrent transducers a lot of respect being living can not meet the measurement accuracy demand .
原有的电磁式电流互感器已经在很多方面不能满足测量精度的要求。
2
Optical Current Transformer(OCT)resolves the problems of saturation and low transient precision created by electromagneticcurrent transformer.
光学电流互感器（OCT）解决了继电保护中传统电磁式电流互感器的饱和以及暂态精度低等问题。
3
The development of the optimum calculation software of electromagneticcurrent transform-ers is introduced. The designing and calculating processes are given.