| Article Details : |
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| | | Article Name : | | | Design of Modern Optical Fiber Current
Transformer | | Author Name : | | | SULIEMAN EDOUD, YOUSIF H.A. RAHIM, ABDELAZIZ Y. M. ABBAS, GIDDANI KALCON | | Publisher : | | | Bridge Center | | Article URL : |  | | | Abstract : | | | This paper describes the design of an optical fiber current
transformer (OFCT) based on magneto-optic Faraday Effect. OFCT is
designed using helium-neon laser (with wavelength of 632.8 nm and
power of 1 mW) as light source, single mode fiber based sensing
element and photomultiplier as detector.
This OFCT is presently designed to cover current in the range
of (20 A to 450 A). Preliminary experimental results for an OFCT are
presented. The OFCT gave good results under various electrical
current supply values, and responded in a linear behavior to an
applied electric current. The OFCT achieves highly accuracy over a
wide dynamic range of currents. The results obtained proved that the
OFCT can be used in high voltage substations due to their superior
accuracy, bandwidth, dynamic range and inherent isolation. | | Keywords : | | | optical fiber; Faraday effect; optical fiber current
transformer; current measurement. |
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