Abstract
Inductive pulsed power generators apply coils as powerful short time energy storage, which is an standard mean to deliver pulses of high power to loads like electromagnetic accelerators. This article deals with the design, simulation, construction, electrical characterization and a pulsed stress test of a modular toroidal coil. The coil was made from 180 D-shaped copper discs and has an approximate inductance of 1 mH ( $f > 50$ Hz) and frequency dependent resistance according to 3.88 m $\Omega$ $\cdot \sqrt{f}$ + 5 m $\Omega$ . Its height, diameter and weight is 0.4 m, 1 m and 1 ton respectively. It is designed to store more than 1 MJ of energy and was successfully tested up to 1.25 MJ. The coil satisfies our requirements for an inductive pulse power generator for EM Launch applications. Further skin effect optimizations will be considered in the future.
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