“强光一号”加速器电路模拟与分析
Circuit simulation and analysis for Qiangguang-Ⅰ accelerator
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摘要: 估算了“强光一号”加速器脉冲变压器、传输线、水开关等部分的电路参数，建立了非线性磁芯电路模型和脉冲功率源电路模型，进行了硅钢磁芯特性实验、直线脉冲变压器模块和加速器的电路模拟，模拟结果与实验结果吻合较好。计算表明，当前运行状态下直线脉冲变压器磁芯并没有达到励磁饱和状态，若将初级储能电容由2.8 μF改为4.0 μF,充电35 kV不影响加速器输出参数，而且为加速器进一步增加储能、提高输出指标奠定基础。Abstract: The Qiangguang-Ⅰ accelerator is made up of linear transformer driver(LTD), water transmission line, water switch and diode. In this paper, parameters of the LTD, transmission line and water switch were estimated, and circuit models of nonlinear magnetic cores and pulse power drivers were established. In addition, properties of silicon steel magnetic cores were investigated by experiments, the results of which are perfectly in accord with the simulation ones of the LTD module and accelerator. The simulation shows that the magnetic cores was not saturated under current running status. And the output parameters would not alter for the LTD store capacitance changing from 2.8 μF to 4.0 μF with 35 kV charge voltage. These all would establish the basis for the enhancement of energy store and
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Key words:
- qiangguang-Ⅰ accelerator /
- linear transformer driver /
- magnetic cores /
- transmission line
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