Monitoring of Winding Deformation of Power Transformer by Using Nanosecond Pulses

Abstract:

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As we know, the TF method is more sensitive to changes in the power transformers at higher frequencies. Although measurement based on low voltage impulse (LVI) is definitely faster than that based on swept frequency method (SFM), the available frequency band is narrow because of the typical microsecond impulse. In this paper, the characteristics of the nanosecond impulse in the frequency domain were investigated. A test System based on Nanosecond low voltage impulse was developed. The proposed method was applied to a 10kV/100kVA distribution transformer in the laboratory. Measurement results with two different impulses were compared.

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Periodical:

Edited by:

Zhixiang Hou

Pages:

190-195

DOI:

10.4028/www.scientific.net/AMM.128-129.190

Citation:

H. L. Liu et al., "Monitoring of Winding Deformation of Power Transformer by Using Nanosecond Pulses", Applied Mechanics and Materials, Vols. 128-129, pp. 190-195, 2012

Online since:

October 2011

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Price:

$35.00

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