NDLI: Large current measurements using a fibre optics current sensor

Content Provider	IEEE Xplore Digital Library
Author	Wang Li Wang Bowen Weng Ling Wang Zhihua Huang Wenmei
Copyright Year	2012
Description	Author affiliation: Province-Ministry Joint Key Laboratory of Electromagnetic Field and Electrical Apparatus Reliability, Hebei University of Technology, Tianjin, China (Wang Li; Wang Bowen; Weng Ling; Wang Zhihua; Huang Wenmei)
Abstract	An optical ac-current sensor with large range and high accuracy is designed, which is based on magnetostriction effect and fiber-loop cavity ring-down technique. The model of the sensor is proposed which discribed the relationship of current, magnetic field, strain and ring-down time of the fiber loop. Simulation results show that both the measurement range and accuracy of the sensor are depended on prestress. The sensor is capable of measuring ac currents in the 2–50kA and the best resolution upto 0.1 A. The analysis of materials characterization and modeling can support the actual design process.
Starting Page	4337
Ending Page	4340
File Size	146136
Page Count	4
File Format	PDF
ISBN	9781467313971
e-ISBN	9781467313988
DOI	10.1109/WCICA.2012.6359209
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-07-06
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Optical fiber sensors Optical fiber couplers Current measurement Sensitivity Magnetostriction Strain long period fiber gratings current sensing fiber-loop cavity ring-down technique magnetostriction effect
Content Type	Text
Resource Type	Article

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