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Proceedings Paper

Integrated-optic sensors for high-voltage substation applications
Author(s): Nicolas A.F. Jaeger
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Paper Abstract

Integrated-optic devices for use in high-voltage substations are reviewed. Specifically, two types of integrated-optic Mach-Zehnder and the integrated-optic Pockels cell are described and compared. A system for monitoring the condition of fluid-and-paper insulation systems, such as are used in many current transformers and power transformer bushings, is also described. This condition monitoring system measures the dissipation factor of an insulation system being monitored. It uses an integrated-optic Pockels cell to measure the phase of the voltage on the high-voltage transmission line to which the insulation system is connected. Preliminary results, showing that the system is capable of measuring the dissipation factor to an accuracy of 0.5%, are presented.

Paper Details

Date Published: 23 September 1998
PDF: 12 pages
Proc. SPIE 3489, Fourth Pacific Northwest Fiber Optic Sensor Workshop, (23 September 1998); doi: 10.1117/12.323430
Show Author Affiliations
Nicolas A.F. Jaeger, Univ. of British Columbia (Canada)


Published in SPIE Proceedings Vol. 3489:
Fourth Pacific Northwest Fiber Optic Sensor Workshop
Chuck C. Jung; Eric Udd, Editor(s)

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