Note: Novel trigger pulse feed method for mega-volt gas switch

doi:10.1063/1.4992129

Note: Novel trigger pulse feed method for mega-volt gas switch

2017-07-06

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DOI：10.1063/1.4992129

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It is difficult to feed the trigger pulse into an electrically triggered mega-volt switch, and the present note presents a novel trigger pulse feed method. The trigger pulse is introduced via a damping resistor, which is mounted between the inner and outer cylindrical electrodes of the pulse transmission line. The mega-volt pulse is damped because the voltage is resistively divided by the resistor and trigger cable arrangement. Both the complex breakdown processes of the switch and its insulation issues are experimentally studied. The function and the beneficial effects of the damping resistor, installed together with an additional inductor, are discussed. Finally, the parameters of these two damping components are set to 500 Ω and 2 μH values for which the switch has been demonstrated to work successfully at over 2.3 MV.

Note: Novel trigger pulse feed method for mega-volt gas switch

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