Location of partial discharge sources in power transformers based on advanced auscultatory technique

In the paper a new partial discharge (PD) location technique based on acoustic emission and conventional partial discharge detection method is presented. Synergetic combination of two methods allows obtaining a high accuracy of the insulation fault location and reducing the time of measurement proce...

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Bibliographic Details
Published in:IEEE transactions on dielectrics and electrical insulation 2012-12, Vol.19 (6), p.1948-1956
Main Authors: Sikorski, W., Siodla, K., Moranda, H., Ziomek, W.
Format: Article
Language:English
Subjects:
acoustic emission
Acoustic measurements
Dielectrics
Electric power generation
Electrical insulation
Fault location
faultlocation
Insulation
Oil insulation
Partial discharges
Position (location)
Power transformer insulation
Power transformers
Substations
Switches
Transformers
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Summary:In the paper a new partial discharge (PD) location technique based on acoustic emission and conventional partial discharge detection method is presented. Synergetic combination of two methods allows obtaining a high accuracy of the insulation fault location and reducing the time of measurement procedure. Several cases of practical application of the new technique for PD location in the power transformers tested in an HV laboratory and in a substation are discussed.
ISSN:1070-9878
1558-4135
DOI:10.1109/TDEI.2012.6396952