Details
| Original language | English |
|---|---|
| Title of host publication | Proceedings of the 21st International Symposium on High Voltage Engineering - Volume 1 |
| Place of Publication | Cham |
| Publisher | Springer Nature |
| Pages | 697-704 |
| Number of pages | 8 |
| ISBN (electronic) | 978-3-030-31676-1 |
| ISBN (print) | 9783030316754 |
| Publication status | Published - 2020 |
| Event | 21st International Symposium on High Voltage Engineering, ISH 2019 - Budapest, Hungary Duration: 26 Aug 2019 → 30 Aug 2019 |
Publication series
| Name | Lecture Notes in Electrical Engineering |
|---|---|
| Volume | 598 LNEE |
| ISSN (Print) | 1876-1100 |
| ISSN (electronic) | 1876-1119 |
Abstract
Transformers belong to the most important and most elementary elements in the power system. Because an unplanned outage of a transformer can lead to interrupted power supply or the stop of production, the related costs can be much higher than the costs of the transformer itself. Therefore it is of elementary interest for operators of transformers to know the condition of the transformers, identify risky units and to avoid unplanned outages. Therefore different methods of condition assessment were developed. The most important groups of those methods are electric and dielectric measurements of the transformer and the different analyzing techniques on the insulation liquid (oil tests). The different oil tests can be separated into two main groups of parameters: Firstly the parameters of the standard oil test (SOT). Secondly, failures at the active part can be indicated with the help of the results of the dissolved gas analysis (DGA). In this contribution both groups of parameters - the results of the standard oil test as well as the results of a dissolved gas analysis - were analyzed in a multidimensional investigation to observe if dependencies between both groups of parameters can be found. Therefore it is investigated if typical increased gas contents can be found depending on oil properties or if both groups of parameters can influence each other. These investigations were based on a huge number of oil test results of real transformers of different voltage levels, applications, age, and manufacturers.
Keywords
- Dissolved gas analysis oil test, Power transformer
ASJC Scopus subject areas
- Engineering(all)
- Industrial and Manufacturing Engineering
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Proceedings of the 21st International Symposium on High Voltage Engineering - Volume 1. Cham: Springer Nature, 2020. p. 697-704 (Lecture Notes in Electrical Engineering; Vol. 598 LNEE).
Research output: Chapter in book/report/conference proceeding › Conference contribution › Research › peer review
}
TY - GEN
T1 - Multidimensional Analysis of a Real Transformer Fleet Based on the Evaluation of Oil Properties
AU - Schreiter, Sebastian
AU - Lohmeyer, Holger
AU - Werle, Peter
PY - 2020
Y1 - 2020
N2 - Transformers belong to the most important and most elementary elements in the power system. Because an unplanned outage of a transformer can lead to interrupted power supply or the stop of production, the related costs can be much higher than the costs of the transformer itself. Therefore it is of elementary interest for operators of transformers to know the condition of the transformers, identify risky units and to avoid unplanned outages. Therefore different methods of condition assessment were developed. The most important groups of those methods are electric and dielectric measurements of the transformer and the different analyzing techniques on the insulation liquid (oil tests). The different oil tests can be separated into two main groups of parameters: Firstly the parameters of the standard oil test (SOT). Secondly, failures at the active part can be indicated with the help of the results of the dissolved gas analysis (DGA). In this contribution both groups of parameters - the results of the standard oil test as well as the results of a dissolved gas analysis - were analyzed in a multidimensional investigation to observe if dependencies between both groups of parameters can be found. Therefore it is investigated if typical increased gas contents can be found depending on oil properties or if both groups of parameters can influence each other. These investigations were based on a huge number of oil test results of real transformers of different voltage levels, applications, age, and manufacturers.
AB - Transformers belong to the most important and most elementary elements in the power system. Because an unplanned outage of a transformer can lead to interrupted power supply or the stop of production, the related costs can be much higher than the costs of the transformer itself. Therefore it is of elementary interest for operators of transformers to know the condition of the transformers, identify risky units and to avoid unplanned outages. Therefore different methods of condition assessment were developed. The most important groups of those methods are electric and dielectric measurements of the transformer and the different analyzing techniques on the insulation liquid (oil tests). The different oil tests can be separated into two main groups of parameters: Firstly the parameters of the standard oil test (SOT). Secondly, failures at the active part can be indicated with the help of the results of the dissolved gas analysis (DGA). In this contribution both groups of parameters - the results of the standard oil test as well as the results of a dissolved gas analysis - were analyzed in a multidimensional investigation to observe if dependencies between both groups of parameters can be found. Therefore it is investigated if typical increased gas contents can be found depending on oil properties or if both groups of parameters can influence each other. These investigations were based on a huge number of oil test results of real transformers of different voltage levels, applications, age, and manufacturers.
KW - Dissolved gas analysis oil test
KW - Power transformer
UR - http://www.scopus.com/inward/record.url?scp=85076850908&partnerID=8YFLogxK
U2 - 10.1007/978-3-030-31676-1_66
DO - 10.1007/978-3-030-31676-1_66
M3 - Conference contribution
AN - SCOPUS:85076850908
SN - 9783030316754
T3 - Lecture Notes in Electrical Engineering
SP - 697
EP - 704
BT - Proceedings of the 21st International Symposium on High Voltage Engineering - Volume 1
PB - Springer Nature
CY - Cham
T2 - 21st International Symposium on High Voltage Engineering, ISH 2019
Y2 - 26 August 2019 through 30 August 2019
ER -