Optically-based partial discharge continuous monitoring system for HV cable joints


Tian, Y., Lewin, P.L., Wilkinson, J.S., Sutton, S.J. and Swingler, S.G. (2004) Optically-based partial discharge continuous monitoring system for HV cable joints. In, CEIDP '04. 2004 Annual Report Conference on Electrical Insulation and Dielectric Phenomena, Boulder, US, 17 - 21 Oct 2004. , 21-24. (doi:10.1109/CEIDP.2004.1364179).

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Description/Abstract

This paper describes the further development of a novel partial discharge continuous monitoring technique. The measurement mechanism applies capacitive coupler measured partial discharge signals across a LiNbO3 electro-optic modulator to modulate the intensity of the transmitted laser light. Recent research has applied an in-fine fibre polarizer for use with the modulator. A polarization scrambler is placed after the laser source to generate unpolarized light, which is transmitted over long length of standard single mode fibres and fed to the fibre polarizer and the modulator. Both the fibre polarizers and modulators, which are placed near cable joints, are passive without any power requirement.

Item Type: Conference or Workshop Item (Paper)
ISBNs: 0780385845 (hardback)
Related URLs:
Subjects: Q Science > QC Physics
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: University Structure - Pre August 2011 > Optoelectronics Research Centre
ePrint ID: 65763
Date Deposited: 25 Mar 2009
Last Modified: 27 Mar 2014 18:47
URI: http://eprints.soton.ac.uk/id/eprint/65763

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