数字化变电站全光纤电流互感器准确度校验

Accuracy calibration for fiber optical current transformers of digital substations

分析了全光纤式电流互感器的工作原理和全光纤电流互感器(含合并单元MU)准确度校验的基本原理。阐述、分析了全光纤电流互感器准确度的测试系统和现场的测试数据,为数字化变电站的全光纤电流互感器准确度校验提供技术参考。

The working principle of the fiber optical current transformer（FOCT） was analyzed,as well as the theory on its accuracy calibration.The accuracy test system for the FOCT was presented,and the data measured on the spot were analyzed.