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A fiber-optic system for three-phase current sensing using a hybrid sensing technique (1992)

McGarrity, C. ; Ning, Y. N. ; Santos@f @f, J. L. ; [et al.]

[S.l.] : American Institute of Physics (AIP)

Review of Scientific Instruments 63 (1992), S. 2035-2039

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ISSN: 1089-7623

Source: AIP Digital Archive

Topics: Physics , Electrical Engineering, Measurement and Control Technology

Notes: We describe and demonstrate a new hybrid current sensor system which uses a novel time division multiplexed fiber network for the measurement of three-phase currents at high potential. The sensor arrangement combines a conventional current transformer with a fiber-optic interferometer such that the signal is transmitted optically to ground. Sensitivities of ∼0.5 A/(square root of)Hz are obtained in each phase at the line frequency of 50 Hz. The sensitivity and dynamic range of each sensor can be tailored for a specific level of current or according to an individual application.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1063/1.1143810

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