Abstract
The features of induction heating of aluminum alloys which are problematic for heating by electromagnetic induction are discussed. Comparison with electric resistance furnaces is provided. Recommendations for selection of calculation methods of the inductors are given. The possibility of accounting for the longitudinal and transverse edge effects is considered. Energy features of three-phase inductors are revealed. The magnitude of the power consumed by the individual coils of a three-phase inductor does not correspond to the average temperature of the billet located in the coil. Depending on the values of the coefficients of mutual inductance and the phase current in each inductor the power consumption of each of the inductors may be different, as well as positive or negative. A single-phase coil of the inductor will have a maximum efficiency.
Published Version
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