A Fiber-Bragg-grating-based sensor for simultaneous AC current and temperature measurement

Deborah Reilly; Andrew James Willshire; Grzegorz Fusiek; Pawel Niewczas; James Mcdonald

doi:10.1109/JSEN.2006.883858

A Fiber-Bragg-grating-based sensor for simultaneous AC current and temperature measurement

Deborah Reilly, Andrew James Willshire, Grzegorz Fusiek, Pawel Niewczas, James Mcdonald

Electronic And Electrical Engineering

Research output: Contribution to journal › Article › peer-review

75 Citations (Scopus)

Abstract

In this paper, a sensor that is capable of measuring both ac current and temperature using a single fiber Bragg grating (FBG) is described. The device consists of a magnetically biased magnetostrictive alloy bonded to an FBG. The magnetic field generated by the current in a specially designed coil produces internal strains in the magnetostrictive alloy which can be detected by the FBG. The temperature at the sensing point is determined through averaging of the sensor output signal. The measurement range of the sensor can be varied by altering the design of the sensor coil. A prototype sensor that is capable of measuring ac currents up to 1 A has been constructed while simultaneously measuring temperatures of up to 100 degC

Original language	English
Pages (from-to)	1539-1542
Number of pages	4
Journal	IEEE Sensors Journal
Volume	6
Issue number	6
DOIs	https://doi.org/10.1109/JSEN.2006.883858
Publication status	Published - Oct 2006

Keywords

fiber-bragg-grating
sensors
magnetostrictive alloy

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10.1109/JSEN.2006.883858

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abstract = "In this paper, a sensor that is capable of measuring both ac current and temperature using a single fiber Bragg grating (FBG) is described. The device consists of a magnetically biased magnetostrictive alloy bonded to an FBG. The magnetic field generated by the current in a specially designed coil produces internal strains in the magnetostrictive alloy which can be detected by the FBG. The temperature at the sensing point is determined through averaging of the sensor output signal. The measurement range of the sensor can be varied by altering the design of the sensor coil. A prototype sensor that is capable of measuring ac currents up to 1 A has been constructed while simultaneously measuring temperatures of up to 100 degC",

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AU - Niewczas, Pawel

AU - Mcdonald, James

PY - 2006/10

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AB - In this paper, a sensor that is capable of measuring both ac current and temperature using a single fiber Bragg grating (FBG) is described. The device consists of a magnetically biased magnetostrictive alloy bonded to an FBG. The magnetic field generated by the current in a specially designed coil produces internal strains in the magnetostrictive alloy which can be detected by the FBG. The temperature at the sensing point is determined through averaging of the sensor output signal. The measurement range of the sensor can be varied by altering the design of the sensor coil. A prototype sensor that is capable of measuring ac currents up to 1 A has been constructed while simultaneously measuring temperatures of up to 100 degC

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JO - IEEE Sensors Journal

JF - IEEE Sensors Journal

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ER -

A Fiber-Bragg-grating-based sensor for simultaneous AC current and temperature measurement

Abstract

Keywords

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