An Open-Loop FBG-Based Magnetostrictive Current Sensor with Enhanced Sensitivity

Alex Dante; Alex Dante; Juan David Lopez; Ariadny da Silva Areas; Cesar Cosenza Carvalho; Regina Celia da Silva Barros Allil; Regina Celia da Silva Barros Allil; Marcelo Martins Werneck; Marcelo Martins Werneck

doi:10.1364/SENSORS.2020.STu4D.6

Optical Sensors and Sensing Congress
OSA Technical Digest (Optica Publishing Group, 2020),
paper STu4D.6
•https://doi.org/10.1364/SENSORS.2020.STu4D.6

An Open-Loop FBG-Based Magnetostrictive Current Sensor with Enhanced Sensitivity

Alex Dante, Juan David Lopez, Ariadny da Silva Areas, Cesar Cosenza Carvalho, Regina Celia da Silva Barros Allil, and Marcelo Martins Werneck

Optical Sensors 2020

Washington, DC United States
22–26 June 2020
ISBN: 978-1-943580-78-1

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Optical Fiber Sensors for Harsh Environment I (STu4D)

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A. Dante, J. D. Lopez, A. d. S. Areas, C. C. Carvalho, R. C. d. S. B. Allil, and M. M. Werneck, "An Open-Loop FBG-Based Magnetostrictive Current Sensor with Enhanced Sensitivity," in Optical Sensors and Sensing Congress, OSA Technical Digest (Optica Publishing Group, 2020), paper STu4D.6.

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Abstract

We propose an open-loop fiber optic current sensor (FOCS) using FBG and a 2-g bar of Terfenol-D with enhanced sensitivity for high-voltage transmission lines. The developed FOCS presented a linearity error of 2.35%, a resolution of 0.57% FSR, and a transient response of 1.5 ms in the range of 25-400 Arms.

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