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本文介绍光学电流互感器的基本原理及其信号处理系统设计,该光学电流互感器采用单光路,结构简单,线路正常时测量线路电流,当线路有故障时自动转入保护计算,并进行故障录波。
This paper introduces the basic principle of optical current transformer and its signal processing system design. The optical current transformer uses a single optical path, the structure is simple, the line current is measured when the line is normal, automatically transferred to the protection calculation when the line is faulty, and the fault record wave.