Publication Type:

Conference Paper

Source:

2010 IEEE International Workshop on Applied Measurements for Power Systems, IEEE (2010)

ISBN:

9781424473748

Accession Number:

11599277

Keywords:

bushing tap excitation, bushings, Chirp, Coils, Deformation, Frequency domain analysis, Impedance, on-line method, optimised excitation, power system measurement, power transformer, Power transformers, Resonant frequency, transformer windings, voltage transformer, winding deformation, Windings

Abstract:

On line assessment of winding deformation in a power transformer can be performed via a bushing tap excitation with optimized high frequency excitation. A benchmark layer winding is used to validate the use of the specific high frequency excitation. Axial displacement, compression and buckling of the winding are simulated and the changes identified. Measurements are performed on a voltage transformer to verify the suitability of the technique. The procedure will result in a considerably shorter time for measurement.

Cite this Research Publication

S. Gopalakrishna, Jayashankar, V., Jagadeesh, K. V., and Dr. Madhu Mohan N., “Online assessment of winding deformation based on optimised excitation”, in 2010 IEEE International Workshop on Applied Measurements for Power Systems, 2010.

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