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Development of an optical current transducer with a bulk type Faraday sensor for metering

Journal Article · · IEEE Transactions on Power Delivery
DOI:https://doi.org/10.1109/61.489326· OSTI ID:244804
; ;  [1];  [2]
  1. NGK Insulators, Ltd., Nagoya (Japan)
  2. Tennessee Valley Authority, Chattanooga, TN (United States)
An optical current transducer (OCT) with a bulk type Faraday sensor demonstrated 0.3% class accuracy for metering. The Faraday sensor had Bi{sub 12}SiO{sub 20} (BSO) single crystals with right and left optical rotatory power to cancel out temperature dependency. A prototype 161 kV OCT installed in a TVA substation verified 0.3% class performance. The OCT had the Faraday sensor, a gapped magnetic iron core, a 1.6 m optical insulator, and an optical interface.
OSTI ID:
244804
Report Number(s):
CONF-950727--
Journal Information:
IEEE Transactions on Power Delivery, Journal Name: IEEE Transactions on Power Delivery Journal Issue: 2 Vol. 11; ISSN 0885-8977; ISSN ITPDE5
Country of Publication:
United States
Language:
English

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