AC current sensing with fiber Bragg grating

Hong Zhao; Jian Zhang; Yan-ling Xiong; Zheng-peng Zhang

doi:10.1117/12.726493

5 March 2007 AC current sensing with fiber Bragg grating

Hong Zhao, Jian Zhang, Yan-ling Xiong, Zheng-peng Zhang

Proceedings Volume 6595, Fundamental Problems of Optoelectronics and Microelectronics III; 65953X (2007) https://doi.org/10.1117/12.726493
Event: Fundamental Problems of Optoelectronics and Microelectronics III, 2006, Harbin, China

Abstract

In order to overcome the problems existed in current transducer, A method was proposed to realize large current measurement in high voltage application, which based on the combination of traditional CT and FBG by making use of the high resolution and the perfect electrical isolation strength of FBG. The principles of current transducer and FBG dynamic demodulation were introduced. The dynamic performance of the system was verified with experiments. After signal processing, the repeatability of the system is no more than ±4% without any means of compensation. And the linearity of the system sensitivity is of R² = 0.9958. A new and effective method for large voltage measurement in high voltage field was proposed in this paper.

Citation Download Citation

Hong Zhao, Jian Zhang, Yan-ling Xiong, and Zheng-peng Zhang "AC current sensing with fiber Bragg grating", Proc. SPIE 6595, Fundamental Problems of Optoelectronics and Microelectronics III, 65953X (5 March 2007); https://doi.org/10.1117/12.726493

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