Details
| Original language | English |
|---|---|
| Title of host publication | 2016 IEEE Conference on Electrical Insulation and Dielectric Phenomena, CEIDP 2016 |
| Pages | 1053-1056 |
| Number of pages | 4 |
| ISBN (electronic) | 9781509046546 |
| Publication status | Published - 15 Dec 2016 |
Publication series
| Name | Annual Report - Conference on Electrical Insulation and Dielectric Phenomena, CEIDP |
|---|---|
| Volume | 2016-December |
| ISSN (Print) | 0084-9162 |
Abstract
The present paper investigates progressive creeping discharge at oil/pressboard interface in power transformer. Using a needle-to-plate electrode configuration, AC constant stress tests were carried out with differently aged pressboard samples. Two distinctly different discharge patterns have been observed, namely chronic creeping discharge and acute creeping discharge. Chronic creeping discharge happens with all pressboard samples, whereas acute creeping discharge happens only with massively-aged pressboard. The results of partial discharge detection, on-line temperature monitoring and gas analysis indicate that the chronic creeping discharge is closely correlated o oil phase, while the acute creeping discharge involves multiple discharge mechanisms. It is also found carbonization crack in pressboard interior is the principal cause of white mark and bubble generation during acute creeping discharge.
ASJC Scopus subject areas
- Materials Science(all)
- Electronic, Optical and Magnetic Materials
- Engineering(all)
- Electrical and Electronic Engineering
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2016 IEEE Conference on Electrical Insulation and Dielectric Phenomena, CEIDP 2016. 2016. p. 1053-1056 7785568 (Annual Report - Conference on Electrical Insulation and Dielectric Phenomena, CEIDP; Vol. 2016-December).
Research output: Chapter in book/report/conference proceeding › Conference contribution › Research › peer review
}
TY - GEN
T1 - Evolution and discharge pattern of creeping discharge at aged oil/pressboard interface
AU - Zhou, Xin
AU - Shi, Hui Bin
AU - Kuhnke, Moritz
AU - Werle, Peter
AU - Gockenbach, Ernst
AU - Borsi, H.
N1 - Publisher Copyright: © 2016 IEEE. Copyright: Copyright 2017 Elsevier B.V., All rights reserved.
PY - 2016/12/15
Y1 - 2016/12/15
N2 - The present paper investigates progressive creeping discharge at oil/pressboard interface in power transformer. Using a needle-to-plate electrode configuration, AC constant stress tests were carried out with differently aged pressboard samples. Two distinctly different discharge patterns have been observed, namely chronic creeping discharge and acute creeping discharge. Chronic creeping discharge happens with all pressboard samples, whereas acute creeping discharge happens only with massively-aged pressboard. The results of partial discharge detection, on-line temperature monitoring and gas analysis indicate that the chronic creeping discharge is closely correlated o oil phase, while the acute creeping discharge involves multiple discharge mechanisms. It is also found carbonization crack in pressboard interior is the principal cause of white mark and bubble generation during acute creeping discharge.
AB - The present paper investigates progressive creeping discharge at oil/pressboard interface in power transformer. Using a needle-to-plate electrode configuration, AC constant stress tests were carried out with differently aged pressboard samples. Two distinctly different discharge patterns have been observed, namely chronic creeping discharge and acute creeping discharge. Chronic creeping discharge happens with all pressboard samples, whereas acute creeping discharge happens only with massively-aged pressboard. The results of partial discharge detection, on-line temperature monitoring and gas analysis indicate that the chronic creeping discharge is closely correlated o oil phase, while the acute creeping discharge involves multiple discharge mechanisms. It is also found carbonization crack in pressboard interior is the principal cause of white mark and bubble generation during acute creeping discharge.
UR - http://www.scopus.com/inward/record.url?scp=85009822259&partnerID=8YFLogxK
U2 - 10.1109/ceidp.2016.7785568
DO - 10.1109/ceidp.2016.7785568
M3 - Conference contribution
SN - 9781509046546
T3 - Annual Report - Conference on Electrical Insulation and Dielectric Phenomena, CEIDP
SP - 1053
EP - 1056
BT - 2016 IEEE Conference on Electrical Insulation and Dielectric Phenomena, CEIDP 2016
ER -