Condition Assessment of HV Bushings with Solid Insulation based on the SVM and the FDS Methods

Jan Subocz, Andrzej Mrozik, Patryk Bohatyrewicz and Marek Zenker
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Jan Subocz: Faculty of Electrical Engineering, Department of Electrotechnology and Diagnostics, West Pomeranian University of Technology, Sikorskiego 37, 70–313 Szczecin, Poland
Andrzej Mrozik: Faculty of Electrical Engineering, Department of Electrotechnology and Diagnostics, West Pomeranian University of Technology, Sikorskiego 37, 70–313 Szczecin, Poland
Patryk Bohatyrewicz: Faculty of Electrical Engineering, Department of Electrotechnology and Diagnostics, West Pomeranian University of Technology, Sikorskiego 37, 70–313 Szczecin, Poland
Marek Zenker: Faculty of Electrical Engineering, Department of Electrotechnology and Diagnostics, West Pomeranian University of Technology, Sikorskiego 37, 70–313 Szczecin, Poland

Energies, 2020, vol. 13, issue 4, 1-13

Abstract: This paper presents the dielectric response of the insulation of bushings as an effect of the simulated long-term aging process. The experiment was conducted under a condition of a high temperature difference between the current circuit and the cover. The dielectric response was measured with the FDS (Frequency Dielectric Spectroscopy) and the SVM (Step Voltage Measurement) methods. The research has shown the correlation between the aging time and some parameters obtained with the FDS and SVM analysis.

Keywords: power transformers; bushings; relaxation; step voltage measurement (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2020
References: View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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