Trigger for triggering Trigatron gas switch

A gas switch and trigger technology, which is applied in the field of gas switch triggering, can solve the problems of limited output energy of pulse transformers and cannot meet the requirements, and achieve the effects of improving work stability, work reliability and performance

Active Publication Date: 2013-08-14
西安西交瑞力电气研究院有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, due to the limited output energy of the pulse transformer, ...

Method used

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  • Trigger for triggering Trigatron gas switch

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Embodiment 1

[0056] This embodiment is a trigger for a Trigatron gas switch, the schematic diagram of its discharge circuit is as follows figure 1 shown. The capacity of the low-voltage energy storage capacitor of the pulse current generating part is 10 μF, and the charging voltage is +1100 kV; the trigger outputs a positive polarity pulse voltage and pulse current of 15 kV. When the trigger gap of the Trigatron gas switch is 1.25mm, the trigger is used for triggering, and the switch can work reliably under the undervoltage ratio of 6%.

Embodiment 2

[0058] This embodiment is a trigger for a Trigatron gas switch, the schematic diagram of its discharge circuit is as follows figure 1 shown. The capacity of the low-voltage energy storage capacitor of the pulse current generating part is 10 μF, and the charging voltage is 800 kV; the trigger outputs a positive polarity pulse voltage and pulse current of 30 kV. When the trigger gap of the Trigatron gas switch is 1.25mm, the trigger is used for triggering, and the switch can work reliably under the undervoltage ratio of 4%.

Embodiment 3

[0060] This embodiment is a trigger for a Trigatron gas switch, the schematic diagram of its discharge circuit is as follows figure 1 shown. The capacity of the low-voltage energy storage capacitor in the pulse current generating part is 5 μF, and the charging voltage is -1100 kV; the trigger outputs a positive polarity pulse voltage and pulse current of -15 kV. When the trigger gap of the Trigatron gas switch is 1.25mm, the trigger is used for triggering, and the switch can work reliably under the undervoltage ratio of 15%.

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Abstract

The invention discloses a trigger for triggering a Trigatron gas switch. The trigger comprises a pulse high-voltage generation part and a pulse current generation part which are connected in parallel; the pulse high-voltage generation part and the pulse current generation part are connected through a blocking capacitor and a magnetic switch; and when the trigger works, the trigger firstly outputs pulse voltage and then outputs pulse current. When the trigger works, pulse trigger voltage firstly acts on a trigger gap of the Trigatron gas switch, and the pulse current generation part supplies energy for generating discharge and maintaining plasma after the trigger gap is punctured by the pulse high-voltage. The output voltage polarity, a parameter of a pulse transformer and a parameter of the pulse current generation part of the trigger can be adjusted as required.

Description

technical field [0001] The invention belongs to the technical field of gas switch triggering, and relates to a trigger for triggering a Trigatron gas switch. Background technique [0002] As an important part of the pulse power supply device, the Trigatron gas switch is mostly triggered by a pulse transformer. The pulse transformer can not only provide the required trigger voltage for the Trigatron gas switch, but also provide a certain trigger energy. [0003] At present, a large number of experimental studies have been carried out on the trigger breakdown principle of the Trigatron gas switch at home and abroad, and relatively complete theoretical results have been obtained. The experimental research on the working performance of the Trigatron gas switch shows that the working performance of the Trigatron gas switch increases with the increase of the pulse trigger voltage amplitude and the decrease of the rising time of the leading edge, and the working voltage range of t...

Claims

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Application Information

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IPC IPC(8): H02M9/06H02M9/04
Inventor 杨兰均张玲玲陈立肖磊
Owner 西安西交瑞力电气研究院有限公司
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