Numerical simulation of high-current vacuum arc with consideration of anode vapor

ZHANG Ling(张玲); WANG Lijun (王立军); JIA Shenli(贾申利); YANG Dingge(杨鼎革); SHI Zongqian(史宗谦)

doi:10.1088/1009-0630/14/4/04

Plasma Science and Technology > 2012 > 14(4): 285-292. > DOI: 10.1088/1009-0630/14/4/04

ZHANG Ling(张玲), WANG Lijun (王立军), JIA Shenli(贾申利), YANG Dingge(杨鼎革), SHI Zongqian(史宗谦). Numerical simulation of high-current vacuum arc with consideration of anode vapor[J]. Plasma Science and Technology, 2012, 14(4): 285-292. DOI: 10.1088/1009-0630/14/4/04

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Numerical simulation of high-current vacuum arc with consideration of anode vapor

State Key Laboratory of Electrical Insulation and Power Equipment, Xi’an Jiaotong University, Xi’an 710049, China

Funds: supported by National Natural Science Foundation of China ( No. 50907045)

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Received Date: August 06, 2010

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Abstract

Abstract

In this paper, a high-current vacuum arc (HCVA) with the consideration of anode vapor is modeled and simulated. First, from the HCVA column model, the heat flux density to the anode is obtained, which is put into an anode activity model, and the parameter distributions (such as the vapor temperature and velocity) of the anode vapor are obtained from the simulation results of the anode activity model. Then, by iterating and calculating the HCVA column model and anode activity model, the interaction between the HCVA column and the anode vapor is simulated and analyzed. In the simulation, the distribution of the axial magnetic field (AMF) generated by the electrode system is calculated by the software ANSYS. The simulation results show that the influence of anode vapor on the parameter distributions in the arc column is significant. The simulation results are also compared with the vacuum arc photograph.
- High-current vacuum arc,
- anode vapor,
- interaction,
- numerical simulation

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