光电互感器的原理及应用前景

Principle and Application Foreground of Optical Instrument Transformer

光电互感器是利用光电子技术和光纤传感技术来实现电力系统电压、电流测量的新型测量装置。光电互感器凭借其优越的性能将逐步取代传统电磁感应型互感器。介绍了光电电流互感器和光电电压互感器的类型及原理,并将它们与传统电磁感应式互感器进行比较,同时提出一些关于光电互感器的发展及应用前景的观点。

The optical instrument transformer is a new type equipment for measuring V ＆ I in power system by means of the photoelectron technique and the optical fiber transducing technique, Resorted its ascendant characteristic, it can take place of the traditional electromagnetic instrument transformer, The types and principle of optical CT and VT are described, the compairing between which and the traditional electromagnetic transformer is made, and some view points on the further development and application foreground of which are also presented.