Distributed photonic instrumentation for power system protection and control

Philip Orr, Grzegorz Fusiek, Pawel Niewczas, Campbell D. Booth, Adam Dysko, Fumio Kawano, Tomonori Nishida, Phil Beaumont

Research output: Contribution to journalArticlepeer-review

20 Citations (Scopus)
335 Downloads (Pure)


We report on recent developments in hybrid optical protection schemes that make use of passive fiber Bragg grating-based transducers for the distributed measurement of voltage and current. In addition to the details of the hybrid optical sensor technology, and its full integration with a commercial busbar protection relay, we report on the first-time laboratory demonstration of a centralized three-ended unit protection scheme featuring hybrid optical sensors capable of passive and wide-area coverage. Furthermore, we discuss the impact of this technology on present and future protection applications that may be improved or enabled by the proposed scheme.

Original languageEnglish
Pages (from-to)19-26
Number of pages8
JournalIEEE Transactions on Instrumentation and Measurement
Issue number1
Early online date27 Jun 2014
Publication statusPublished - 31 Jan 2015


  • distributed protection
  • optical fiber sensors
  • power system protection
  • smart grids


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