NDLI: Estimation of medium voltage cable parameters for PD-detection

Content Provider	IEEE Xplore Digital Library
Author	Villefrance, R. Holboll, J.T. Henriksen, M.
Copyright Year	1998
Description	Author affiliation: Dept. of Res. & Dev., NESA A/S, Denmark (Villefrance, R.)
Abstract	Medium voltage cable characteristics have been determined with respect to the parameters having influence on the evaluation of results from PD-measurements on paper/oil and XLPE-cables. In particular, parameters essential for discharge quantification and location are measured. In order to relate a measured signal at the cable terminations to a specific PD-amplitude and location on the cable, the attenuation and the transmission speed of PD-pulses on the cable have to be known. Consequently, the main parameter to be determined is the complex propagation constant which consists of the attenuation and phase constants. A method to estimate this propagation constant, based on high frequency measurements, is presented and is applied to different cable types under different conditions. The influence of temperature and test voltage is investigated. The relevance of the results for cable diagnostics is discussed.
Starting Page	109
Ending Page	112
File Size	419578
Page Count	4
File Format	PDF
ISBN	078034927X
ISSN	1089084X
DOI	10.1109/ELINSL.1998.704660
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1998-06-07
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Medium voltage Propagation constant Petroleum Fault location Particle measurements Attenuation measurement Velocity measurement Frequency estimation Frequency measurement Temperature
Content Type	Text
Resource Type	Article

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