Development of Fault Point Locating System for Underground Transmission Lines using Optical Fiber Current Sensors

Development of Fault Point Locating System for Underground Transmission Lines using Optical Fiber Current Sensors

Fault point locating systems based on surge current detection have recently been used for fast recovery of underground transmission line from the fault. Electromagnetic induction type sensors have mainly been used for detection of the surge current. However they are susceptible to electromagnetic no...

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Veröffentlicht in:Denki Gakkai ronbunshi. B, Enerugi, denki kiki, denryoku 2008/08/01, Vol.128(8), pp.1035-1040
Hauptverfasser: Kurosawa, Kiyoshi, Kondo, Reishi, Nasukawa, Shinsuke, Yamaguchi, Tatsushi, Amano, Kazuo
Format: Artikel
Sprache:eng
Schlagworte:
cable
faraday effect
fault point location
optical fiber
sensor
surge current
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Zusammenfassung:Fault point locating systems based on surge current detection have recently been used for fast recovery of underground transmission line from the fault. Electromagnetic induction type sensors have mainly been used for detection of the surge current. However they are susceptible to electromagnetic noise which causes unstable system operation. To solve this problem, Tokyo Electric Power Co., Toko Electric Corporation and Fujikura Ltd., by a joint research, have developed a new system that applies optical fiber current sensors.
ISSN:0385-4213
1348-8147
DOI:10.1541/ieejpes.128.1035