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1990•Japanese Journal of Applied PhysicsOpen access

The Pseudospark Switch–A High-Voltage Gas Discharge Switch for High-Power Applications

A. Tinschmann, Tsuyoshi Okumura, Manabu Taniwaki

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Abstract

A pseudospark switch, which can substitute thyratrons in pulsed power applications, was successfully tested at hold-off voltages up to 25 kV and peak currents up to 18 kA. A lifetime test was performed until 3.6×107 shots, without showing any significant degradation of the switch. Current rise rates up to 6×1011 A/s and a current reversal capability of 100% are additional features of this switch, which can help to improve the performance of pulsed power devices.

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What this paper is about

A pseudospark switch, which can substitute thyratrons in pulsed power applications, was successfully tested at hold-off voltages up to 25 kV and peak currents up to 18 kA. A lifetime test was performed until 3.6×107 shots, without showing any significant degradation of the switch. Current rise rates up to 6×1011 A/s and a current reversal capability of 100% are additional features of this switch, which can help to improve the performance of pulsed power devices.

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Available abstract

A pseudospark switch, which can substitute thyratrons in pulsed power applications, was successfully tested at hold-off voltages up to 25 kV and peak currents up to 18 kA. A lifetime test was performed until 3.6×107 shots, without showing any significant degradation of the switch. Current rise rates up to 6×1011 A/s and a current reversal capability of 100% are additional features of this switch, which can help to improve the performance of pulsed power devices.

Key concepts: High voltage, Materials science, Voltage, Pulsed power, Current (fluid), Electrical engineering, Power (physics), Optoelectronics

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