【摘要】 应用Pspice电路分析软件,对单级磁脉冲压缩系统在纯电阻负载(400Ω)情况下的压缩过程进行比较全面、准确的模拟,其中磁开关的模型基于微秒脉冲激励下的磁芯B-H曲线。当负载为400Ω时,Pspice模拟结果揭示了饱和变压器PT和磁开关MS1的磁芯所需的饱和时间分别为4μs和400 ns,输出的负极性脉冲峰值-55 kV,半高宽为100 ns,下降沿为50 ns,实验结果很好地验证了这一结论。更多还原

【Abstract】 To understand the operation of a magnetic switch and model its performance,a model of the magnetic pulse compressor system is presented based on the Pspice software.Circuit analysis of compressor and charging system accounting for nonlinear processes in a magnetic switch is described.Simulation results illustrate that in order to realize the desired pulse,4 μs and 400 ns magnetization periods are required for PT1 and MS1,respectively.Two compression stages suffice for the forming of-55 kV,100 ns pulses across a 400 Ω load;the fall time is 50 ns.The experimental results obtained with a resistive load are in good agreement with the circuit simulation.更多还原