KIEE International Transaction on Electrical Machinery and Energy Conversion Systems
- Volume 11B Issue 4
- /
- Pages.129-136
- /
- 2001
- /
- 1598-2602(pISSN)
Comparison of Evaluation Methods of the Small Current Breaking Performance for $SF_{6}$ Gas Circuit Breakers
- Song, Ki-Dong (Advanced Power Apparatus Research Group, KERI) ;
- Lee, Byeong-Yoon (Advanced Power Apparatus Research Group, KERI) ;
- Park, Kyong-Yop (Advanced Power Apparatus Research Group, KERI) ;
-
Park, Jung-Hoo
(Department of Electrical Engineering, Pusan National University)
- Published : 2001.12.01
Abstract
In order to evaluate the dielectric recovery strength for GCBs, two equations have been usually utilized. One is the empirical formula obtained from a series of tests and the other is the theoretical formula obtained from the streamer theory. In this paper, both methods were applied to predict the small capacitive current interruption capability of model circuit breakers and were investigated in terms of the reliability by comparing the simulation results with test ones.
Keywords
- $SF_{6}$ Gas circuit breaker;
- Dielectric recovery;
- Small current interruption;
- Shock wave;
- Arcing contacts