Simulation of an induction hardening system during Curie temperature transition considering converter's performance
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Document typeArticle
Defense date2013-01
PublisherEmerald Group Publishing
Rights accessRestricted access - publisher's policy
Abstract
Purpose – The aim of this paper is to simulate, test and evaluate an induction heating process
considering the converter’s performance.
Design/methodology/approach – In case of continuous induction hardening processes, the load
changes abruptly during the transition to Curie temperature, becoming significant considering the
converter’s behavior. In this paper, an induction heating system is simulated combining the numerical
analysis of the electromagnetic-thermal and electrical problem, focusing mainly on the converter’s
performance. The simulations are realized by using commercial FEM software and the voltage and the
frequency are manually varied according to the converter’s control. The system has also been
implemented in an experimental setup and the results obtained have been compared with the
simulations.
Findings – The importance of considering the converter’s dynamics was observed during the
simulations. The simulation results showed a correspondence with the experimental results, validating
the simulation procedure and demonstrating that the converter’s behavior has to be considered.
Originality/value – A power converter for a real industrial induction heating process where there is
a sudden change in the load parameters is simulated and experimentally tested. The importance of
considering the variation of frequency and voltage during the simulation of induction heating systems
is demonstrated. Some considerations for induction heating modeling regarding converter’s
performance are given and the importance of converter’s dynamics is introduced. In addition, a
simple and flexible method of simulating the converter operation with commercial software is
presented
CitationMartín-Segura, G. [et al.]. Simulation of an induction hardening system during Curie temperature transition considering converter's performance. "COMPEL: The International Journal for Computation and Mathematics in Electrical and Electronic Engineering", Gener 2013, vol. 32, núm. 1, p. 396-411.
ISSN0332-1649
Publisher versionhttp://www.emeraldinsight.com/0332-1649.htm
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