All-optical differential current detection technique for unit protection applications

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Fusiek, Grzegorz and Orr, Philip and Wang, Hao and Niewczas, Pawel; (2013) All-optical differential current detection technique for unit protection applications. In: Proceedings of the 2013 International IEEE Conference on Instrumentation and Measurement Technology (I2MTC). IEEE, USA, 1214 - 1217. ISBN 978-1-4673-4621-4 (https://doi.org/10.1109/I2MTC.2013.6555606)

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Abstract

In this paper we demonstrate a novel, all-optical differential current protection scheme. By monitoring the optical power reflected from two matched hybrid fiber Bragg grating current sensors and using a simple optoelectronic threshold detector, an immediate response to an increase in differential current is achieved. A preliminary laboratory embodiment is constructed in order to characterize the performance of the scheme. The proposed technique does not require a complex sensor interrogation scheme, usually characterized by a limited sampling frequency, and thus will be capable of facilitating inexpensive and fast-acting differential protection over long distances.

ORCID iDs

Fusiek, Grzegorz ORCID logoORCID: https://orcid.org/0000-0002-3361-7803, Orr, Philip, Wang, Hao and Niewczas, Pawel ORCID logoORCID: https://orcid.org/0000-0003-3291-1725;
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