Abstract
To help design the next generation China Z-pinch driver CZ30, which is a 30 MA driver driven by linear transformer driver (LTD) modules, a new full-circuit simulation code called FCM-CZ30 was established. The code was used to perform simulation of CZ30 coupled with Z-pinch load. The results obtained from FCM-CZ30 are in a good agreement with those obtained from a commercial code called PSpice, which shows that the FCM-CZ30 is a reliable code. The inductance of the LTD system has a significant influence on the rise time of the load current, which is totally different from that in conventional Z-pinch drivers with multistage switches to compress the rise time of the pulse. For a wire-array load with an initial radius of 3.0 cm and a mass per unit length of 15 mg/cm, the peak value and the rise time (10%–90%) of the load current are 33.7 MA and 102.2 ns, respectively.
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