CAJ | 학술논문

在智能电网中，电流测量是电力系统中继电保护、电能计量、系统监测和系统分析的关键，其测量的精度与可靠性直接关系到电力系统能否安全、可靠和经济地运行。文章比较了电磁式电流传感器和光纤电流传感器的性能，介绍了目前3种最主要的光纤电流传感器的测量原理，并指出其各自的优点及存在的问题。同时，综述了国内外关于光纤电流传感器的最新研究现状及进展，最后对光纤电流传感器的应用和研究前景进行了展望。
재지능전망중，전류측량시전력계통중계전보호、전능계량、계통감측화계통분석적관건，기측량적정도여가고성직접관계도전력계통능부안전、가고화경제지운행。문장비교료전자식전류전감기화광섬전류전감기적성능，개소료목전3충최주요적광섬전류전감기적측량원리，병지출기각자적우점급존재적문제。동시，종술료국내외관우광섬전류전감기적최신연구현상급진전，최후대광섬전류전감기적응용화연구전경진행료전망。
In the smart grid,current measurement is the key to relay protection,energy metering,monitoring and system anal-ysis in the electric power system and the measurement accuracy and reliability are directly related to its safe,reliable and eco-nomical operation.This paper compares the performances of the electromagnetic current sensors and fiber-optic current sensors and introduces the measuring principles of 3 kinds of major ones and points out their advantages and existing problems.Then, it summarizes their latest research status and advances at home and abroad.Finally,it forecasts the prospects of their applica-tions and researches.