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A novel concept for monitoring partial discharge on EHV-cable system accessories using no active components at the accessories
2000
Eighth International Conference on Dielectric Materials, Measurements and Applications
unpublished
Preserved Fulltext
A sensitive, directional coupling sensor attached to a high-voltage power transmission cable couples enough signal from a partial discharge to an electrooptic modulator to measurably change the amplitude of an optical carrier. The demonstrated sensitivity and bandwidth lead to the design of a very robust system for measuring partial discharge that requires no power at the site of the sensor. System concept and experimental results are shown and future options discussed.
doi:10.1049/cp:20000494
fatcat:eymw5le74jca7aryb4q3j2qzfy