Title: Design study and production of the ROD inductors for bolts heating
Authors: Žížek, František
Horský, Jaroslav
Pikhart, Emanuel
Turek, Vratislav
Citation: AMTEE ’03 : fifth international conference on Advanced Methods in the Theory of Electrical Engineering : September 10-12, 2003 [Klatovy, Czech Republic], p. 55-60.
Issue Date: 2003
Publisher: University of West Bohemia
Document type: článek
konferenční příspěvek
URI: http://amtee.zcu.cz/AMTEE/ArchivedProceedings/proceedings_AMTEE_2003/index.html
Keywords: indukční ohřev;magnetické pole cívky;polyamid pryskyřice;induction heating;magnetic field inductor;polyamide resins
Abstract: Based on a specific need of ŠKODA ENERGO Ltd., Plzeň, our research programme was focused on the design and manufacturing of water-cooled rod inductors; the appliance should be exploited in a heating procedure of massive ferromagnetic steel bolts. It consists of a copper U-shapped hollow conductor with an inserted ferromagnetic laminated core. Special developed thermal isolations of the copper tube conductor and the ferromagnetic core are based on polyimide and glass materials. Magnetic fields and losses were evaluated by the help of standard Rosemberg method and checked by a 2D numerical calculation. The size and geometry of the ferromagnetic core was calculated to reach the demanded induced losses in the bolt-massive material. The inductor is power supplied from a 4 kHz frequency source. The developed appliance was proved to meet successfully both the demanded induced output and heat resistance of the insulation.
Rights: © University of West Bohemia
Appears in Collections:CPEE – AMTEE 2003

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