Surface flashover character of insulator in vacuum under self-magnetic field

Li Feng; Wang Meng; Yang Zun; Ren Jing; Kang Junjun

doi:10.3788/HPLPB20122412.2925

Volume 24 Issue 12

Nov. 2012

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Article Navigation > High Power Laser and Particle Beams > 2012 > 24(12): 2925-2929

Chen Han, Yang Hanwu, Zhang Zicheng, et al. Transverse capacitance coupling UV pre-ionization switch[J]. High Power Laser and Particle Beams, 2013, 25: 2035-2039. doi: 10.3788/HPLPB20132508.2035

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Li Feng, Wang Meng, Yang Zun, et al. Surface flashover character of insulator in vacuum under self-magnetic field[J]. High Power Laser and Particle Beams, 2012, 24: 2925-2929. doi: 10.3788/HPLPB20122412.2925

Chen Han, Yang Hanwu, Zhang Zicheng, et al. Transverse capacitance coupling UV pre-ionization switch[J]. High Power Laser and Particle Beams, 2013, 25: 2035-2039. doi: 10.3788/HPLPB20132508.2035

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Surface flashover character of insulator in vacuum under self-magnetic field

doi: 10.3788/HPLPB20122412.2925

1.
Institute of Fluid Physics,CAEP,P.O.Box 919-108,Mianyang 621900,China

Received Date: 2012-04-06
Rev Recd Date: 2012-07-15
Publish Date: 2012-11-05

Abstract

Abstract

The surface flashover character of insulator in vacuum under self-magnetic field is investigated in this paper through the principle of magnetic flashover inhibition (MFI). Considering the calculation of the critical ratio between electric and magnetic field, a coaxial electrode was designed to carry out experiments under three different conditions: the self-magnetic field flashover inhibition, the self-magnetic field flashover acceleration and none magnetic field. The results show that the insulator surface flashover voltage is improved about 15% with the self-magnetic field flashover inhibition and is reduced about 18% with the self-magnetic field flashover enhancement compared with that without magnetic field.
- insulator,
- surface flashover,
- self-magnetic flashover inhibition,
- circuit current

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