Title :
Differential current relaying system with optical phase detection using flint glass fiber type optical current transformers
Author :
Kurosawa, K. ; Tashiro, Y. ; Ohkawara, K. ; Sasald, K. ; Terai, K. ; Miura, S. ; Hori, M.
Author_Institution :
Power Electron. Group, Tokyo Electr. Power Co., Yokohama, Japan
Abstract :
A differential current relaying system in which several optical current transformers using the flint glass fiber were connected in series was proposed. We found that the system experimentally satisfied accuracy as a relaying system.
Keywords :
electric current measurement; fibre optic sensors; optical glass; relays; transformers; differential current relaying system; flint glass fiber; optical current transformer; optical phase detection; Coils; Glass; Optical fiber polarization; Optical fibers; Optical retarders; Optical sensors; Phase detection; Power system relaying; Protective relaying; Relays;
Conference_Titel :
Optical Fiber Sensors Conference Technical Digest, 2002. Ofs 2002, 15th
Conference_Location :
Portland, OR, USA
Print_ISBN :
0-7803-7289-1
DOI :
10.1109/OFS.2002.1000781
