充等离子体微波源高压电源的撬棒保护

蒙林; 黎晓云; 谢文楷; 鄢杨; 刘盛纲

强激光与粒子束

充等离子体微波源高压电源的撬棒保护

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蒙林, 黎晓云, 谢文楷, 鄢杨, 刘盛纲. 2001: 充等离子体微波源高压电源的撬棒保护, 强激光与粒子束, 13(3): 338-340.

引用本文:

蒙林, 黎晓云, 谢文楷, 鄢杨, 刘盛纲. 2001: 充等离子体微波源高压电源的撬棒保护, 强激光与粒子束, 13(3): 338-340.

MENG Lin, LI Xiao-yun, XIE Wen-kai, YAN Yang, LIU Sheng-gang. 2001: Crowbar circuit protection of high voltage power supply of plasma filled HPM source, High Power Lase and Particle Beams, 13(3): 338-340.

Citation:

MENG Lin, LI Xiao-yun, XIE Wen-kai, YAN Yang, LIU Sheng-gang. 2001: Crowbar circuit protection of high voltage power supply of plasma filled HPM source, High Power Lase and Particle Beams, 13(3): 338-340.

充等离子体微波源高压电源的撬棒保护

电子科技大学高能所,

Crowbar circuit protection of high voltage power supply of plasma filled HPM source

摘要: 充等离子体高功率微波源 PASOTRON的高压直流电源工作电压为－70 kV ～－150kV、电流为300A左右，而调制器又悬浮于此高压上工作（电流为60A，脉宽60～120μs）。在工作中，一旦出现管子打火，很容易打坏管子、高压直流电源、调制器或控制柜的电路模块。因此，其控保系统就显得尤为重要。为此采用一种专门研制的高压撬棒，利用简单的自触发电路，达到了满意的保护效果。实验证明，从管子打火到撬棒管作出分流仅滞后150ns，可以分流掉滤波电容中98％以上的储能，工作稳定可靠。
- 撬棒 /
- PASOTRON /
- 调制
Abstract: The operation voltage of high voltage DC power supply of plasma filled high power microwave source-PASOTRON is from －70kV up to －150kV, the total current is about 300A, while the modulator(current 60A, pulse width 60～120μs) is operating suspended on the HV-DC. In practice, if the strike arc occurs, there is a strong potential to destroy the microwave tube, high voltage DC power supply, modulator or/and modular circuit of the system. The protection system of the power supply, therefore, plays an important role in the operation of system. The special designed HV crowbar and a simple self-triggering circuit is applied, and a satisfied protection result is achieved. The experiments show that, 98% of the energy of the filtering capacitor would be bypassed by the crowbar after 150ns of the strike arc.

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充等离子体微波源高压电源的撬棒保护

电子科技大学高能所,

关键词:

撬棒 /
PASOTRON /
调制

摘要: 充等离子体高功率微波源 PASOTRON的高压直流电源工作电压为－70 kV ～－150kV、电流为300A左右，而调制器又悬浮于此高压上工作（电流为60A，脉宽60～120μs）。在工作中，一旦出现管子打火，很容易打坏管子、高压直流电源、调制器或控制柜的电路模块。因此，其控保系统就显得尤为重要。为此采用一种专门研制的高压撬棒，利用简单的自触发电路，达到了满意的保护效果。实验证明，从管子打火到撬棒管作出分流仅滞后150ns，可以分流掉滤波电容中98％以上的储能，工作稳定可靠。

English Abstract

Crowbar circuit protection of high voltage power supply of plasma filled HPM source

电子科技大学高能所,

Keywords:

撬棒 /
PASOTRON /
调制

Abstract: The operation voltage of high voltage DC power supply of plasma filled high power microwave source-PASOTRON is from －70kV up to －150kV, the total current is about 300A, while the modulator(current 60A, pulse width 60～120μs) is operating suspended on the HV-DC. In practice, if the strike arc occurs, there is a strong potential to destroy the microwave tube, high voltage DC power supply, modulator or/and modular circuit of the system. The protection system of the power supply, therefore, plays an important role in the operation of system. The special designed HV crowbar and a simple self-triggering circuit is applied, and a satisfied protection result is achieved. The experiments show that, 98% of the energy of the filtering capacitor would be bypassed by the crowbar after 150ns of the strike arc.

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充等离子体微波源高压电源的撬棒保护

Crowbar circuit protection of high voltage power supply of plasma filled HPM source

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充等离子体微波源高压电源的撬棒保护

English Abstract

Crowbar circuit protection of high voltage power supply of plasma filled HPM source

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