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Transformer monitoring using the UHF technique

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4 Author(s)
Judd, M.D. ; Strathclyde Univ., Glasgow, UK ; Pryor, B.M. ; Kelly, S.C. ; Hampton, B.F.

The viability of applying UHF partial discharge monitoring techniques to an in-service oil-filled power transformer is established. Discharges in oil are shown to radiate the high frequency signals necessary to allow detection. On-site pulse injection is used to test the operation of a UHF coupler fitted to the transformer. The effects of on-load tap changing operations are also investigated

Published in:

High Voltage Engineering, 1999. Eleventh International Symposium on (Conf. Publ. No. 467)  (Volume:5 )

Date of Conference:

1999