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Electromagnetic viewpoints on a 200 kW MgB2 induction heater |
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| Authors: | A. Stenvall N. Magnusson Z. Jelinek G. Grasso I. Hiltunen A. Korpela J. Lehtonen R. Mikkonen M. Runde |
| Affiliation: | aInstitute of Electromagnetics, Tampere University of Technology, P.O. Box 692, FI-33101 Tampere, Finland bSINTEF Energy Research, NO-7465 Trondheim, Norway cSkoda Vyzkum, Tylova 57, CZ-31600 Plzen, Czech Republic dColumbus Superconductors, Corso Perrone 24, I-16152 Genova, Italy |
| Abstract: | In this paper an electromagnetic system for a 200 kW MgB2 induction heater was designed to verify the feasibility of MgB2 superconductor in a DC induction heating system. The final master plan connects the electromagnetic design to the cryogenic and mechanical designs including the required measurement system. The electromagnetic design consists of conductor development, dimensioning the superconducting magnets and the quench protection system analysis. The coil system must guarantee appropriate heating distribution in the aluminium billet. The conductor has to fulfill the requirements of the current carrying capability required by the coil design. Furthermore, the conductor layout and constituent materials affect greatly to the coil stability in fault conditions. The coil behaviour during a fault was studied by quench simulations. The protection system design was based on the results of the quench analysis. |
| Keywords: | Induction heater MgB2 Quench analysis Protection |
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