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A new approach to cable fault location using fiber optic technology. I

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7 Author(s)
Kawai, T. ; Chubu Electric Power Co. Inc., Nagoya, Japan ; Takinami, N. ; Chino, T. ; Amano, K.
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This paper reports a method for instantaneous fault location on a resistance grounded system of underground power cables. Based on a grounding test to measure the temperature distribution near a fault point with thermocouples, the authors propose a new fault location method that integrates a fiber optic distributed temperature sensor (FODT sensor) into the cable. A grounding test on an optical fiber composite power cable and a joint verified that the new method is of acceptable accuracy and reliability

Published in:
Power Delivery, IEEE Transactions on  (Volume:10 ,  Issue: 1 )

Date of Publication: Jan 1995

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