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Reliability of an all-optical differential current detection technique during environmental temperature perturbations

Fusiek, Grzegorz and Orr, Philip and Niewczas, Pawel (2014) Reliability of an all-optical differential current detection technique during environmental temperature perturbations. In: 2014 IEEE Sensors Proceedings. IEEE, Piscataway, NJ., pp. 1121-1124. ISBN 9781479901616

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Abstract

The reliability of a novel, all-optical differential current protection scheme over varying environmental conditions is investigated in this paper. By monitoring the optical power reflected from two matched hybrid fiber Bragg grating current sensors and using a simple and low-cost optoelectronic threshold detector, a sub-cycle response to an increase in differential current can be achieved. A preliminary laboratory embodiment is constructed in order to emulate a practical deployment of the sensors and characterize the performance of the scheme when the sensors are at different temperatures. We demonstrate that even at a temperature difference of 20 °C between the sensors the system is capable of robust and fastacting fault detection.

Item type: Book Section
ID code: 53987
Notes: (c) 2014 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other users, including reprinting/ republishing this material for advertising or promotional purposes, creating new collective works for resale or redistribution to servers or lists, or reuse of any copyrighted components of this work in other works.
Keywords: current sensor, differential protection, fiber Bragg grating, optical, piezoelectric transducer, voltage sensor, Electrical engineering. Electronics Nuclear engineering, 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: 17 Aug 2015 09:33
Last modified: 23 Sep 2017 17:40
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URI: https://strathprints.strath.ac.uk/id/eprint/53987
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