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An optically-interrogated Rogowski coil for passive, multiplexable current measurement

Orr, Philip and Niewczas, Pawel and Booth, Campbell and Fusiek, Grzegorz and Dysko, Adam and Kawano, Fumio and Nishida, Tomonori and Beaumont, Phil (2013) An optically-interrogated Rogowski coil for passive, multiplexable current measurement. IEEE Sensors Journal, 13 (6). pp. 2053-2054. ISSN 1530-437X

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    Abstract

    We report on the design and implementation of a novel hybrid electro-optical sensor for electric current. An all-fibre transducer is utilised to passively interrogate an air-core coil via a low-voltage piezoelectric multilayer. Peak Bragg reflections are strain-tuned by the Rogowski emf, allowing transducer interrogation and primary current reconstruction to be performed remotely and without active electronics at the sensor. The preliminary embodiment demonstrates long-distance, passive measurement of current for metering and protection applications, and retains the fibre transducer's capability for serial multiplexing.

    Item type:Article
    ID code:43176
    Keywords:fibre bragg grating, optical current sensor, Rogowski coil, power system instrumentation, Electrical engineering. Electronics Nuclear engineering, Instrumentation, Electrical and Electronic Engineering
    Subjects:Technology > Electrical engineering. Electronics Nuclear engineering
    Department:Faculty of Engineering > Electronic and Electrical Engineering
    Depositing user: Pure Administrator
    Date deposited:12 Mar 2013 11:24
    Last modified:05 Feb 2019 08:35
    Related URLs:
    URI:https://strathprints.strath.ac.uk/id/eprint/43176
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