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1 December 1991 Intensity type fiberoptic electric current sensor
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Intensity type electric current sensors have been developed specifically for fault detection on electric power transmission lines. The transduction element consists of a pair of multimode optical fibers, one mounted on a ferromagnetic cantilever, the second on a fixed anvil such that light coupled from one fiber to the other is directly proportional to the magnetic field strength. The basic operating characteristics of the sensors, detailed laboratory test results and preliminary field data are presented. Their use for fault detection is also discussed.
© (1991) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Edward F. Carome "Intensity type fiberoptic electric current sensor", Proc. SPIE 1584, Fiber Optic and Laser Sensors IX, (1 December 1991);

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