为了研究电磁能量从脉冲功率驱动器到Z箍缩负载的传输与转化过程,采用电路模型描述驱动器关键部件的充放电过程,采用辐射磁流体模型描述负载的动力学过程并获取动态电感和动态电阻参数,建立了驱动器与负载耦合的全电路数值模拟程序.将该程序应用于“强光一号”装置,研究表明,模拟获得的驱动器电压波形、负载电流波形与实验结果符合较好,各段水介质传输线上电磁脉冲宽度逐级压缩,功率逐级放大.在典型的钨丝阵Z箍缩辐射源物理实验条件下,当初级储能电容器充电35 kV时,中储电容处的电磁功率(峰值)为0.23 TW,上升时间(10%—90%)为550 ns,形成线处的电磁功率为0.80 TW,上升时间为160 ns,水介质传输线末端的电磁功率为1.46 TW,上升时间为45 ns.负载电流为1.5 MA,产生的X射线辐射功率为0.58 TW. In order to study the transmission and conversion of electromagnetic energy from pulsed power driver to Z-pinch load, the circuit model is used to describe the charge-discharge process of the key components of the driver. The radiation magnetic fluid model is used to describe the dynamic process of the load and obtain the dynamic inductance and dynamic resistance parameters , A full-circuit numerical simulation program of driver and load coupling is established.The program is applied to the “glare” device. The research shows that the waveform of the drive voltage and the load current waveform obtained by the simulation are in good agreement with the experimental results. The electromagnetic pulse width is compressed step by step on the segment of water medium transmission line, and the power is gradually amplified.Under the typical physical experiment of tungsten filament array Z-pinch radiation source, when the primary storage capacitor is charged at 35 kV, the electromagnetic power (Peak value) of 0.23 TW, rise time (10% -90%) of 550 ns, the electromagnetic power at the formation line is 0.80 TW, the rise time is 160 ns, the electromagnetic power at the end of the aqueous medium transmission line is 1.46 TW, 45 ns. The load current is 1.5 MA and the resulting X-ray radiation power is 0.58 TW.