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- Title
PD time-sequential properties of SF<sub>6</sub> and SF<sub>6</sub> gas mixture including CO<sub>2</sub>.
- Authors
Ohtsuka, Shinya; Koumura, Masaki; Eguchi, Kazuhisa; Hikita, Masayuki
- Abstract
This paper deals with partial discharge (PD) time-sequential properties of SF6/N2/CO2 ternary gas mixture as well as SF6 and SF6/N2 gas mixture under AC and positive DC voltage applications. The measurements were carried out by changing the gas pressure up to 0.6 MPa and applied voltage with the N-shape characteristics of breakdown voltage versus gas pressure for each tested gas considered. We obtained experimental results of the gas pressure dependence of maximum peak value of PD current pulse as well as the relationship between the time interval of PD pulses and the peak value of PD pulse. We discuss the mechanism of increase in breakdown voltage by adding CO2 into SF6/N2 gas mixtures in terms of change of PD type from streamer to leader discharge. © 2005 Wiley Periodicals, Inc. Electr Eng Jpn, 151(3): 32–40, 2005; Published online in Wiley InterScience (<URL>www.interscience.wiley.com</URL>). DOI 10.1002/eej.20073
- Subjects
ELECTRIC breakdown; VOLTAGE dividers; ELECTRIC resistors; COAL gas; POISONOUS gases; DESTRUCTIVE distillation
- Publication
Electrical Engineering in Japan, 2005, Vol 151, Issue 3, p32
- ISSN
0424-7760
- Publication type
Article
- DOI
10.1002/eej.20073