Details
| Translated title of the contribution | Comparison of the impulse voltage strength of different insulation liquids |
|---|---|
| Original language | German |
| Title of host publication | VDE High Voltage Technology |
| Subtitle of host publication | VDE Fachtagung |
| Publisher | VDE Verlag GmbH |
| Pages | 300-305 |
| Number of pages | 6 |
| ISBN (electronic) | 978-3-8007-5355-0 |
| ISBN (print) | 978-3-8007-5353-6 |
| Publication status | Published - 2021 |
| Event | VDE High Voltage Technology 2020 - Virtual, Online, Germany Duration: 9 Nov 2020 → 11 Nov 2020 |
Publication series
| Name | VDE High Voltage Technology |
|---|
Abstract
The lifetime of liquid filled high voltage equipment is mainly determined by its insulation system, usually made of a liquid-paper insulation. There are various stresses, which this equipment must be able to withstand during operation. One risk is the occurrence of overvoltages, especially fast and slow increasing overvoltages, for example caused by atmospheric lightning or internal overvoltages caused by switching operations. Since the impulse voltage strength is mainly determined by the insulation liquid, the use of alternative insulation liquids requires a similar behaviour under impulse voltage stress than mineral oils. Thus, the impulse strength of four different insulation liquids was investigated and compared according to the IEC 60897 test standard. This includes natural and synthetic ester fluids as well as an inhibited synthetic insulation fluid on mineral oil basis and a conventional uninhibited mineral oil. To investigate the influence of the type of impulse voltage, lightning or switching impulse, and of the impulse energy input on the impulse voltage strength, the insulation liquids were stressed with different impulse voltages. Furthermore, the distances of the needle-sphere electrode arrangement and the water content of the insulation fluids were changed and their influences were analysed regarding to the impulse strength.
ASJC Scopus subject areas
- Energy(all)
- Energy Engineering and Power Technology
- Engineering(all)
- Electrical and Electronic Engineering
Cite this
- Standard
- Harvard
- Apa
- Vancouver
- BibTeX
- RIS
VDE High Voltage Technology: VDE Fachtagung. VDE Verlag GmbH, 2021. p. 300-305 (VDE High Voltage Technology).
Research output: Chapter in book/report/conference proceeding › Conference contribution › Research › peer review
}
TY - GEN
T1 - Vergleich der Stoßspannungsfestigkeit verschiedener Isolierflüssigkeiten
AU - Homeier, Kristin
AU - Imani, Mohammad T.
AU - Kuhnke, Moritz
AU - Werle, Peter
PY - 2021
Y1 - 2021
N2 - The lifetime of liquid filled high voltage equipment is mainly determined by its insulation system, usually made of a liquid-paper insulation. There are various stresses, which this equipment must be able to withstand during operation. One risk is the occurrence of overvoltages, especially fast and slow increasing overvoltages, for example caused by atmospheric lightning or internal overvoltages caused by switching operations. Since the impulse voltage strength is mainly determined by the insulation liquid, the use of alternative insulation liquids requires a similar behaviour under impulse voltage stress than mineral oils. Thus, the impulse strength of four different insulation liquids was investigated and compared according to the IEC 60897 test standard. This includes natural and synthetic ester fluids as well as an inhibited synthetic insulation fluid on mineral oil basis and a conventional uninhibited mineral oil. To investigate the influence of the type of impulse voltage, lightning or switching impulse, and of the impulse energy input on the impulse voltage strength, the insulation liquids were stressed with different impulse voltages. Furthermore, the distances of the needle-sphere electrode arrangement and the water content of the insulation fluids were changed and their influences were analysed regarding to the impulse strength.
AB - The lifetime of liquid filled high voltage equipment is mainly determined by its insulation system, usually made of a liquid-paper insulation. There are various stresses, which this equipment must be able to withstand during operation. One risk is the occurrence of overvoltages, especially fast and slow increasing overvoltages, for example caused by atmospheric lightning or internal overvoltages caused by switching operations. Since the impulse voltage strength is mainly determined by the insulation liquid, the use of alternative insulation liquids requires a similar behaviour under impulse voltage stress than mineral oils. Thus, the impulse strength of four different insulation liquids was investigated and compared according to the IEC 60897 test standard. This includes natural and synthetic ester fluids as well as an inhibited synthetic insulation fluid on mineral oil basis and a conventional uninhibited mineral oil. To investigate the influence of the type of impulse voltage, lightning or switching impulse, and of the impulse energy input on the impulse voltage strength, the insulation liquids were stressed with different impulse voltages. Furthermore, the distances of the needle-sphere electrode arrangement and the water content of the insulation fluids were changed and their influences were analysed regarding to the impulse strength.
UR - http://www.scopus.com/inward/record.url?scp=85101711991&partnerID=8YFLogxK
M3 - Aufsatz in Konferenzband
AN - SCOPUS:85101711991
SN - 978-3-8007-5353-6
T3 - VDE High Voltage Technology
SP - 300
EP - 305
BT - VDE High Voltage Technology
PB - VDE Verlag GmbH
T2 - VDE High Voltage Technology 2020
Y2 - 9 November 2020 through 11 November 2020
ER -