Markus Fischer, Dominik Christl, Michael Beltle, Stefan Tenbohlen, Dietmar Gentsch, und Werner Ebbinghaus. Influences of Axial Magnetic Fields and Different Contact Materials in Vacuum Interrupters on the Chopping Behaviour of Switching Arcs. September 2021. [PUMA: Vacuum arc chopping compositions field interrupter magnetic material shaping] URL