Interpretation of dielectric response measurements of transformer insulation under temperature variations and transient effects

Ma, Hui, Saha, Tapan K. and Ekanayake, Chandima (2012). Interpretation of dielectric response measurements of transformer insulation under temperature variations and transient effects. In: 2012 IEEE Power and Energy Society General Meeting. 2012 IEEE Power and Energy Society General Meeting, San Diego, United States, (1-8). 22-26 July 2012. doi:10.1109/PESGM.2012.6344903

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Author Ma, Hui
Saha, Tapan K.
Ekanayake, Chandima
Title of paper Interpretation of dielectric response measurements of transformer insulation under temperature variations and transient effects
Conference name 2012 IEEE Power and Energy Society General Meeting
Conference location San Diego, United States
Conference dates 22-26 July 2012
Proceedings title 2012 IEEE Power and Energy Society General Meeting
Journal name IEEE Power and Energy Society General Meeting
Place of Publication Piscataway, NJ, United States
Publisher IEEE
Publication Year 2012
Sub-type Fully published paper
DOI 10.1109/PESGM.2012.6344903
ISBN 9781467327275
9781467327282
ISSN 1944-9925
Start page 1
End page 8
Total pages 8
Collection year 2013
Language eng
Abstract/Summary This paper presents the interpretation of both time and frequency domain dielectric response measurements namely Polarization and Depolarization Current (PDC) measurement and Frequency Domain Spectroscopy (FDS) for evaluating transformer insulation under different thermal conditions. An intelligent algorithm developed by the authors of this paper is applied to interpret PDC measurements of three model transformers and evaluate the insulation conditions of these transformers under stable and transient temperatures. The effects of temperature variations and transients on FDS measurements of transformer insulation are also investigated in this paper.
Keyword Depolarization current
Frequency domain spectroscopy
Insulation ageing
Polarization currents
Power transformer
Temperature transition
Q-Index Code E1
Q-Index Status Confirmed Code
Institutional Status UQ

 
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Created: Wed, 19 Dec 2012, 19:31:22 EST by Dr Hui Ma on behalf of School of Information Technol and Elec Engineering