Modular Toroidal Copper Coil for the Investigation of Inductive Pulsed
Power Generators in the MJ-Range
Abstract
Poster contribution to the 26th International Conference on Magnet
Technology (MT26) in Vancouver, Canada, September 22-27, 2019. paper was
submitted to the MT26 special issue of the IEEE Transactions on Applied
Superconductivity.
Abstract: Inductive pulsed power generators apply coils as
powerful short time energy storage which is an ordinary 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 1mH (f > 50 Hz) and frequency dependent
resistance according to 3.88 mOhm Sqrt(f) + 5 mOhm. 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.