Based on the sudden decline of the secondary current after current transformer saturation, a new saturation criterion called current-dropping method is presented.
基于电流互感器饱和后二次电流突然下降的特点，提出了一种新的电流互感器饱和判别方法——电流下降法。
Saturation of Current Transformer is the major problem of Bus Protect in power system.
电力系统母线保护存在的主要问题，是电流互感器的饱和问题。
Optical Current Transformer(OCT)resolves the problems of saturation and low transient precision created by electromagnetic current 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。
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