Mechanical-Condition Assessment of Power Transformer Using Vibroacoustic Analysis

Abstract:

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This paper presents a method for vibroacoustic analysis of a transformer in the steady state. The standard approach to this problem has been based on analysis of the vibration frequency spectrum recorded with an accelerometer mounted on the transformer’s tank. To improve legibility of measurement results, the paper suggests the analysis method for the relative coefficient of harmonic frequency contents hnorm(f). The conducted experiment showed that high values of hnorm within a wide frequency range testify to deformation of windings and degradation of solid insulation.

Info:

Periodical:

Edited by:

David Wang

Pages:

40-44

DOI:

10.4028/www.scientific.net/KEM.500.40

Citation:

E. Kornatowski "Mechanical-Condition Assessment of Power Transformer Using Vibroacoustic Analysis", Key Engineering Materials, Vol. 500, pp. 40-44, 2012

Online since:

January 2012

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$35.00

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