Abstract
A compact high-current pulse generator with the amplitude of the load current up to 140 kA and rise time below 200 ns is designed. The basic element of the pulse generator design is the HCEIcap 100–0.2 capacitor switch assembly. The capacitance value of the capacitor switch assembly is 200 nF, the charging voltage is 100 kV, the energy storage is 1000 J, and the full inductance value is 20 nH. The sizes of the active part of the capacitor are 80-mm inner diameter ×160-mm outer diameter ×160 mm. A multigap spark-gap is used as a switch. The rise rate of the current through the load (X-pinch, 2 molybdenum wires with a 25-μm diameter) is 1.3 kA/ns, and the soft X-ray pulse duration is 2.0–3.5 ns.
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