一种多组电极的高功率多脉冲气体开关
A multi-group electrodes and multi-pulse high power gas switch
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摘要: 设计了一个有3组电极的开关，给出了开关的结构，分析了多组电极共存的可行性和开关内的电场，利用通用电路模拟软件对通过开关的电流进行了计算。此开关在单组电极导通时，耐电压约为50kV，电流100kA以上，电流脉宽约20μs；在间隔1ms，脉宽为μs级的预触发脉冲触发下，开关能在电感负载中产生间隔为1ms的3个电脉冲，实验测得平均峰值电压约38kV，电流约100kA，脉宽约20μs。Abstract: A switch with three groups of electrodes was developed. The feasibility of the concomitance of multi-group electrodes, the switch structure and the internal electric field were analyzed. The current through the switch was calculated using the software Pspice. When a couple of electrodes of this switch are in operation, the voltage is about 50kV, the current is above 100kA, and the pulse width is around 20μs. When three triggered pulses of 1ms interval are fed in three trigger poles of the switch respectively, the switch can produce three 1ms interval pulses through the inductance load, each has the voltage of 38kV, current of about 100kA and width of about 20μs.
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Key words:
- gas switch /
- multi-group electrodes /
- time-delayed trigger /
- puse high-voltage
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