Anusual Application of Partial Discharges to Diagnose of High Voltage Power Transformers

• Authors: Z. Gacek , M. Szadkowski , G. Malitowski , F. Witos , A. Olszewska
• Languages of publication: EN

Abstracts

EN

The article contains information on research carried out in Electric Faculty of Silesian University of Technology, made at test stations and aimed at diagnosis how is actual technical state of high voltage power oil transformers. Opinion on a state of transformers is based on analysis results of partial discharge measurements. Authors use simultaneously: electric, acoustic and dissolved gas analysis method. Applied acoustic method is the original own one. Non-conventional application of electric method is proposed, too. In the frame of chosen methodology the partial discharges are measured and next calculations of quantities describing partial discharges within particular methods are carried out in order to describe phenomena commonly for electric and acoustic method. Information sources about level and kind of partial discharges are measurement results obtained from electric method whereas information on places where partial discharges appear is contained in measurement results coming from acoustic method. Authors present selected application results of such a combined measuring method.

Keywords

EN

43.40.Le; 52.80.s; 07.50.Hp

Discipline

• 07.50.Hp: Electrical noise and shielding equipment

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2011
• Volume: 120
• Issue: 4
• Pages: 609-615

Dates

published

2011-10

Contributors

author

Z. Gacek

• Institute of Power System and Control, Silesian University of Technology, B. Krzywoustego 2, 44-100 Gliwice, Poland

author

M. Szadkowski

• Institute of Power System and Control, Silesian University of Technology, B. Krzywoustego 2, 44-100 Gliwice, Poland

author

G. Malitowski

• Institute of Power System and Control, Silesian University of Technology, B. Krzywoustego 2, 44-100 Gliwice, Poland

author

F. Witos

• Department of Optoelectronics, Silesian University of Technology, B. Krzywoustego 2, 44-100 Gliwice, Poland

author

A. Olszewska

• Department of Optoelectronics, Silesian University of Technology, B. Krzywoustego 2, 44-100 Gliwice, Poland

References

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Identifiers

DOI

10.12693/APhysPolA.120.609