光学电流互感器关键技术研究

樊占峰; 白申义; 杨智德; 李刚; 田志国; 宋国兵

引用本文:	樊占峰,白申义,杨智德,等.光学电流互感器关键技术研究[J].电力系统保护与控制,2018,46(3):67-74.
	FAN Zhanfeng,BAI Shenyi,YANG Zhide,et al.Research on key technology of optical current transformer[J].Power System Protection and Control,2018,46(3):67-74

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光学电流互感器关键技术研究
樊占峰^1,2,白申义²,杨智德²,李刚²,田志国²,宋国兵¹
(1.西安交通大学电气工程学院，陕西西安710049;2.许继集团有限公司，河南许昌461000)

摘要:

以光学互感器瞬时值测量的“迅捷、同步和高分辨率”为需求，对光学互感器温度特性、温度补偿技术及光学互感器抗振技术进行了研究，经过试验和对比测试分析，提出了对应的改进措施。采用反射式光路结构，以HB Spun光纤为Faraday传感材料，利用柔性支撑工艺技术制成传感光纤环，设计了全光纤电流互感器的结构方案，并优化了检测电路设计。研制了高精度、柔性结构暂态全光纤电流互感器。测试结果表明，全光纤电流互感器在-40~70 ℃全温度范围内准确度达到0.2级。

关键词: 全光纤电流互感器温度补偿抗振技术检测电路柔性结构 0.2级

DOI：10.7667/PSPC170068

分类号:

基金项目:北京科委重大科技成果转化落地培育项目(Z121100003012018)

Research on key technology of optical current transformer

FAN Zhanfeng^1,2,BAI Shenyi²,YANG Zhide²,LI Gang²,TIAN Zhiguo²,SONG Guobing¹

(1. School of Electrical Engineering, Xi’an Jiaotong University, Xi’an 710049, China;2. XJ Group Corporation, Xuchang 461000, China)

Abstract:

The characteristics of temperature, the temperature compensation technology and the anti-vibration technology of the optical transformer are researched based on the demands of which are instantly measured by the optical transformer, the corresponding improvement measures are put forward through test and contrast testing analysis. The reflective optical structure is used, the HB Spun fiber is used for Faraday current material, a current fiber loop is made by using the flexible support technology, the structure of an all-fiber current transformer is designed, and the design of detection circuit is optimized. An all-fiber current transformer with high precision and flexible structure transient is developed. The test results show that the accuracy of all-fiber current transformer reaches to 0.2 class in the whole temperature range of -40~70 ℃. This work is supported by Major Scientific and Technological Achievements Transformation and Cultivaltion Project of Beijing Municipal Science & Technology Commission (No. Z121100003012018).

Key words: all-fiber current transformer temperature compensation anti-vibration technology detection circuit flexible structure 0.2 class

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