A Gas Switch Triggered by a Microhollow Cathode Discharge (MHCD) Array With Lower Trigger Energy

A Gas Switch Triggered by a Microhollow Cathode Discharge (MHCD) Array With Lower Trigger Energy

A microhollow cathode discharge (MHCD) array was operated at atmospheric pressure with a pulse voltage of 2.5 kV supplied by a trigger circuit. Triggered by this MHCD array, a gas switch with an annular plate structure operated under a voltage of 27 kV with a fall time of 30 ns and a current of 400...

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Veröffentlicht in:IEEE transactions on electron devices 2013-02, Vol.60 (2), p.875-879
Hauptverfasser: Liu, Kefu, Teng, Yaqing, Li, Liuxia, Qiu, Jian
Format: Artikel
Sprache:eng
Schlagworte:
Applied sciences
Arrays
Capacitance
Cathodes
Circuit properties
Delay time
Dielectric, amorphous and glass solid devices
Discharges (electric)
Electric, optical and optoelectronic circuits
Electronic circuits
Electronic equipment and fabrication. Passive components, printed wiring boards, connectics
Electronics
Exact sciences and technology
gas switch
microhollow cathode discharge (MHCD)
Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices
Switches
Switching, multiplexing, switched capacity circuits
trigger
Voltage measurement
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Zusammenfassung:A microhollow cathode discharge (MHCD) array was operated at atmospheric pressure with a pulse voltage of 2.5 kV supplied by a trigger circuit. Triggered by this MHCD array, a gas switch with an annular plate structure operated under a voltage of 27 kV with a fall time of 30 ns and a current of 400 A with a rise time of 15 ns was investigated. It is used for discharging the charge stored in a capacitor of 4 nF through a resistor of 50 Ω. The advantages of the switch are obvious: a compact trigger with lower trigger voltage. An electrical model including MHCD capacitance is built, and the simulation results agree well with the experimental results.
ISSN:0018-9383
1557-9646
DOI:10.1109/TED.2012.2235147