摘要
论述了全光纤电流互感器检测和控制原理,以单片FPGA为控制核心设计了全光纤电流互感器信号检测与控制硬件电路,并对关键部件指标和检测控制方法进行了分析和讨论。结合前端光纤电流传感头搭建了全光纤电流互感器装置。经实验测试,其在额定一次电流100 A^4 000 A范围内均实现了0.2 S级测量准确度,满足电力电网对电流互感器测量准确度的要求。
The topology and operational principle of fiber optic cmrent transducer are introduced. A signal detection and con- trol hardware circuit for fiber optic current transducer was designed base on a single FPGA, the parameter of key components and control method are analyzed and discussed. Meanwhile ,the experiment equipment was designed using this circuit combined with fiber-current sensor head.. The result shows that it can satisfy the accuracy requirements of the 0.2 S class measuring electronic transducer within range from 100 A to 4 000 A, meeting the electrical power grid for the current transformer measurement accuracy requirements.
出处
《电子技术应用》
北大核心
2014年第2期81-84,共4页
Application of Electronic Technique
关键词
光纤电流互感器
闭环控制
FPGA
测量准确度
fiber optic current transducer
closed-loop control
FPGA
measurement accuracy
