CHENG Shao-yong, LIU Zhi-yuan, LI Xin-hua, et al. Investigation on Breakdown Characteristics in Contact Gap for Vacuum Interrupters Based on Area Effect[J]. High voltageapparatus, 2007, (3): 161-164+168.
CHENG Shao-yong, LIU Zhi-yuan, LI Xin-hua, et al. Investigation on Breakdown Characteristics in Contact Gap for Vacuum Interrupters Based on Area Effect[J]. High voltageapparatus, 2007, (3): 161-164+168.DOI:
the objective was to study the influence of effective area of the gap on the breakdown electric field strength for a medium voltage vacuum interrupter prototype.The influence of contact separation on effective area in the gap was obtained by electric field simulation.The relationship between contact separation and breakdown electric field strength was obtained by lightening impulse voltage experiments.Based on the mentioned results
it is found that the influence of effective area of the gap on breakdown strength is different for different range of the gap.In the range of gap with 1mm to 2 mm
the breakdown electric field strength increases with the increase of effective area.In the range of the gap with 2 mm to 6 mm
the breakdown electric field strength decreases with increase of effective area.