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为了将超高速大功率半导体开关反向导通型双晶复合晶体管(RSD)用于构建高压重频固态脉冲源,研究了一种将RSD及其触发电路集成模块进行串联的RSD堆触发技术。首先建立RSD器件反向触发数学模型,并经过多次串联触发测试获得实验数据,通过对波形数据分析得到该模型的参数值;然后基于此模型,按照开关通流容量对预充电荷量的要求,对RSD并联谐振触发单元的谐振参数设计进行了Matlab仿真分析,确定谐振电路电阻、电感、电容参数优化值分别为:0.5Ω、1.75μH和0.2μF;最后,单个模块的触发实验验证了器件反向触发数学模型和预充电路参数设计的合理性,为10kV高压固态脉冲电源的6模块RSD串联触发电路的实现建立了基础。
In order to build a high-voltage, repetitive-frequency, solid-state pulse source using a high-speed, high-power semiconductor reverse-acting dual crystal compound transistor (RSD), an RSD stack triggering technique was studied for connecting the RSD and its trigger integrated circuit module in series. Firstly, the mathematical model of reverse triggering of RSD device is established, and the experimental data are obtained after several series trigger tests. The parameter values of the model are obtained by analyzing the waveform data. Based on the model, the requirements of precharge charge capacity , The resonance parametric design of the RSD parallel resonant triggering unit was simulated by Matlab, and the optimized values of the resistance, inductance and capacitance parameters of the resonant circuit were determined as 0.5Ω, 1.75μH and 0.2μF respectively. Finally, the triggering experiment of a single module verified that the device Reverse triggering mathematical model and pre-charge circuit parameter design rationality for the 10kV high-voltage solid state pulse power 6-module RSD series trigger circuit to establish the foundation.