Accurate optical fiber current transducer for high-voltage direct current (HVDC) transmission

被引：4

作者：

Liu, Haifeng ^{[1
]}

Guo, Hongjie ^{[1
,2
]}

Tan, Manqing ^{[1
,2
]}

Li, Qin ^{[3
]}

Meng, Xiangqiang ^{[4
]}

Yang, Xu ^{[5
]}

机构：

[1] Chinese Acad Sci, Inst Semicond, State Key Lab Integrated Optoelect, Beijing 100083, Peoples R China

[2] Univ Chinese Acad Sci, Ctr Mat Sci & Optoelect Engn, Beijing, Peoples R China

[3] Beijing Sifang Automat, Beijing, Peoples R China

[4] State Grid Informat & Telecommun Grp, Beijing, Peoples R China

[5] Tianjin Lingxin Sci & Technol, Tianjin, Peoples R China

来源：

INSTRUMENTATION SCIENCE & TECHNOLOGY | 2022年 / 50卷 / 06期

关键词：

Optical fiber; Faraday effect; current measurement; high-voltage direct current transmission; harmonic current; CURRENT SENSOR; BIREFRINGENCE; TEMPERATURE; COMPENSATION;

D O I：

10.1080/10739149.2022.2053152

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Accurate optical fiber current transducer based on the Faraday magneto-optical effect is described for high voltage direct current (HVDC) transmission. The transducer may be used to measure DC and high-order harmonic currents in a +/- 800 kV DC transmission field. The performance characteristics of sensitivity, non-linearity, temperature stability, and harmonic accuracy of the prototype were investigated. The results show that the scale factor error in the -40 degrees C to 70 degrees C range is below +/- 0.2%. The presented optical fiber current transducer has potential applications for HVDC detection fields, such as for a polarity bus and a converter valve bridge arm.

引用

页码：604 / 615

页数：12

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