COMPUTER SIMULATION OF THE ARCING PROCESS IN HIGH VOLTAGE PUFFER CIRCUIT BREAKERS WITH HOLLOW CONTACTS

被引：0

作者：

Yan, J. D. ^{[1
]}

Han, S. M.

Zhan, Y. Y. ^{[1
]}

Zhao, H. F. ^{[1
]}

Fang, M. T. C. ^{[1
]}

机构：

[1] Univ Liverpool, Dept Elect Engn & Elect, Liverpool L69 3GJ, Merseyside, England

来源：

XVIIITH SYMPOSIUM ON PHYSICS OF SWITCHING ARC | 2009年

关键词：

puffer circuit breaker; transparent arc root; Lorentz force; arc model; SUPERSONIC NOZZLE; ARCS; BEHAVIOR; MODELS; FLOW;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Issues associated with computer simulation of high voltage puffer circuit breaker arcs burning between two hollow contacts are discussed and several test cases modelled with a two dimensional axisymmetric arc model. The unrealistic influence of Lorentz force associated with the uncertainties in arc rooting on the shape of arc column and arc voltage is demonstrated and its cause argued based on arc voltage measurement. The concept of transparent arc root is introduced to suppress the unwanted arc column contraction. Reasonable agreement between predicted and measured arc voltage is obtained for high current arcs. Effort is also made to simulate the extinction peak shortly before the final current zero.

引用

页码：99 / 108

页数：10

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