Study on pulsed-discharge devices by using pulse-forming-network modules toward intense X-ray source
Study on pulsed-discharge devices by using pulse-forming-network modules toward intense X-ray source
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DOI：
10.1088/1742-6596/688/1/012101
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发表时间：
2016-03
期刊：
影响因子：
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通讯作者：
Nobuyuki Anzai;D. Takewaki;Fumitaka Tachinami;Kazumasa Takahashi;T. Sasaki;T. Aso;T. Kikuchi;N. Harada
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文献类型：
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作者：
Nobuyuki Anzai;D. Takewaki;Fumitaka Tachinami;Kazumasa Takahashi;T. Sasaki;T. Aso;T. Kikuchi;N. Harada
研究了一种具有高电流上升率的脉冲功率发生器，以从 X 箍缩等离子体产生强 X 射线源。脉冲功率发生器由 48 个脉冲形成网络 (PFN) 模块和三级 LC 梯形电路组成。为了评估脉冲功率发生器的电流上升率，我们演示了低工作电压的短路实验。由于PFN的电感减小，电流上升的速率取决于PFN模块的数量。 48 个 PFN 模块在 10 kV 工作电压下的电流上升速率估计为 0.1 kA/ns。为了预测从 X 收缩获得强 X 射线的要求的电流上升速率，演示了电路仿真。结果表明，电流上升速率为1 kA/ns时，工作电压需要70 kV以上。
A pulsed-power generator with a high rate of current rise was studied toward generating intense X-ray source from an X-pinch plasmas. The pulsed-power generator consists of 48 pulse-forming-network (PFN) modules with a three-stage of LC ladder circuit. To evaluate the rate of current rise for the pulsed-power generator, we demonstrated the short circuit experiments with low operation voltage. The rate of current rise depends on the number of PFN modules due to the decrease of inductance of PFN. The rate of current rise for 48 PFN modules at 10 kV of an operation voltage is estimated to be 0.1 kA/ns. To predict the rate of current rise for the requirement to obtain the intense X-ray from the X-pinch, the circuit simulation was demonstrated. The results indicated that the operation voltage requires over 70 kV for the rate of current rise of 1 kA/ns.