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光学电子式电流互感器是利用法拉第(Faraday)磁光效应感应被测信号,传感头部分分为块状玻璃和全光纤2种方式。光学电子式电压互感器利用泡克耳斯效应(Pockels)电光效应或基于逆压电效应或电致仲缩效应感应被测信号,现在研究的光学电压互感器大多是基于泡克耳斯效应。光学电子式互感器传感头部分不需要复杂的供电装置,整个系统的线性度比较好。
Optical electronic current transformer is the use of Faraday (magneto-optical effect of Faraday sensing the signal under test, the sensor head is divided into two kinds of glass and all-fiber optic. Optical electronic voltage transformers utilize the Pockels electro-optic effect or sense the measured signal based on the inverse piezoelectric effect or the electrococking effect. The optical voltage transformers currently studied are mostly based on the Pockels effect. Optical electronic transformer sensor head does not require complex power supply device, the linearity of the entire system is better.