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Study on Domain Coupling of Multi-physical Parameters for High Voltage SF6 Circuit Breaker
Cao Yundong *,Liu Xiaoming #,Wang Erzhi
Shenyang University of Technology
*Correspondence author
#Submitted by
Subject:
Funding: 国家自然科学基金，高等学校博士学科点专项科研基金（No.50677039，20060142001）
Opened online: 5 August 2007
Accepted by: none
Citation: Cao Yundong,Liu Xiaoming,Wang Erzhi.Study on Domain Coupling of Multi-physical Parameters for High Voltage SF6 Circuit Breaker[OL]. [ 5 August 2007] http://en.paper.edu.cn/en_releasepaper/content/14385
 
 
Coupling of multi-physical parameters in extra high voltage SF6 circuit breaker (UHV SF6 CB) has been investigated. For 2D combined mathematical model of electric field, flow field and turbulent flow developed, the coupling condition of multi-physical field of CB was established. And the computations have been carried out for 500kV 1-break SF6 CB. The aerodynamic behavior and electrical characteristics varying with interrupting course have been investigated. In addition, the dielectric recovery characteristics (DRC) of the 500kV 1-break SF6 CB has been obtained, the visualization of breaking course has been realized.
Keywords:coupling field, domain decomposition, numerical simulation, puffer circuit breaker.
 
 
 

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