Title :
A new approach to cable fault location using fiber optic technology. I
Author :
Kawai, T. ; Takinami, N. ; Chino, T. ; Amano, K. ; Watanabe, K. ; Nakamura, Y. ; Shiseki, N.
Author_Institution :
Chubu Electric Power Co. Inc., Nagoya, Japan
fDate :
1/1/1995 12:00:00 AM
Abstract :
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
Keywords :
cable jointing; earthing; fault location; fibre optic sensors; power cable testing; power cables; temperature distribution; temperature measurement; temperature sensors; underground cables; FODT sensor; accuracy; cable joint; fiber optic distributed temperature sensor; grounding test; instantaneous fault location; reliability; resistance grounded system; temperature distribution; thermocouples; underground power cables; Electrical resistance measurement; Fault location; Grounding; Optical fiber cables; Optical fiber testing; Optical fibers; Power cables; Temperature measurement; Temperature sensors; Underground power cables;
Journal_Title :
Power Delivery, IEEE Transactions on
