气体开关抖动对单模块快脉冲直线型变压器驱动源输出特性的影响
Influence of gas switch jitter on output characteristics of single modular fast linear transformer driver
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摘要: 分析了快脉冲直线型变压器驱动源(FLTD)气体开关触发击穿延时的分布规律，利用MATLAB软件生成随机序列模拟开关击穿延时和抖动，在FLTD简化二阶电路的基础上，利用MATLAB分析了开关抖动对40个支路并联1 MA,100 ns FLTD模块输出电流脉冲前沿和幅值的影响。模拟计算结果表明:开关理想时，即抖动为0，输出电流峰值为996 kA，峰值时间为90 ns，10%~90%脉冲前沿为54 ns；开关自身抖动与开关之间分散性之和为10 ns时，输出电流脉冲前沿增加约14%，电流峰值下降约2%；开关自身抖动与开关之间分散性之和为20 ns时，输出电流脉冲前沿增加约38%，电流峰值下降约5%。
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关键词:
- 气体开关 /
- 抖动 /
- 快脉冲直线型变压器驱动源 /
- 输出参数
Abstract: The triggered breakdown delay time distribution of the gas switch was presented for the 1 MA/100 ns fast linear transformer driver (FLTD), consisting of 40 parallel bricks. The delay time and switch jitter were simulated by random arrays generated by MATLAB program. The influence of the switch jitter on the rise time and amplitude of the FLTD’s output current has been studied based on the simplified second-order circuit of the FLTD brick. Simulated results indicate that the peak of the output current is about 996 kA at 90 ns with a rise time of about 54 ns (10% to 90%) in the ideal situation of 0 ns switch jitter. The rise time of the output current increases by about 14% and the peak decreases by 2% when the switch jitter is about 10 ns. The rise time increases by about 38% and the peak-
Key words:
- gas switch /
- jitter /
- fast linear transformer driver /
- output parameter
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