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Interpretation of recovery voltage measurements on power transformers

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4 Author(s)
J. P. Van Bolhuis ; Delft Univ. of Technol., Netherlands ; E. Gulski ; J. J. Smit ; G. M. Urbani

Using recovery voltage measurements (RVM) on full scale objects, the influence of load history on the condition of the paper insulation of a transformer is investigated. It is shown that the presence of large local area's of insulating paper with a different ageing conditions can be detected in the polarization spectrum. Also the importance of knowing external conditions when interpreting the measurements is demonstrated

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High Voltage Engineering, 1999. Eleventh International Symposium on (Conf. Publ. No. 467)  (Volume:1 )

Date of Conference: