Considerations on the analysis of an induction heating system

Trip, Nistor Daniel; Burca, Adrian; Leuca, Teodor; Dudrik, Jaroslav

doi:10.1109/isetc.2014.7010735

Cited by 5 publications

(3 citation statements)

References 7 publications

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“…2 is presented a more detailed equivalent circuit of the induction heating system than the model mentioned in [5] because some parasitic elements have values of the same order of magnitude like the values predicted for the load parameters. The impedance z of the equivalent circuit comprises in addition to the equivalent circuit shown in [5] a parasitic r ecv resistance that models the drain to source resistance of the power MOSFETs together with the parasitic resistance of the interconnection leads from the primary side of the transformer together with the leakage inductance L' ss of the transformer in its secondary side. In Fig.…”

Section: Equivalent Circuit Analysis and Design Hintsmentioning

confidence: 99%

“…Taking this time into account the parasitic r ecv and L' ss for the circuit shown in Fig.1, the resonant frequencies f 1,2,3,4 , mentioned also in [5], can be obtained with (5):…”

Section: Equivalent Circuit Analysis and Design Hintsmentioning

confidence: 99%

“…Relations (1) -(8) are more accurate than those used in [5] for a general analysis of the induction heating system.…”

Section: Equivalent Circuit Analysis and Design Hintsmentioning

confidence: 99%

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Considerations on the design of a low power induction heating system

Burca

Trip

Leuca

2014

2014 International Symposium on Fundamentals of Electrical Engineering (ISFEE)

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The paper presents considerations useful to design low power induction heating system. Despite of the fact that an induction heating system exhibits nonlinearities, the paper uses a linear model in order to obtain an easier way of design. Thus, the series resonant inverter used in the induction heating system is modelled as a high frequency alternating voltage source. The same assumption is made on the load circuit that includes the induction coil and the ferromagnetic device subjected to the thermal processing. The model of the load is reduced to a linear resistive inductive circuit for a specific temperature, based on the simulation results offered by Flux 2D program. The program Flux 2D solve the thermal problem coupled with the eddy currents problem and the simulation results are used to derive the resistive and inductive effect of the load. In general, since the values of the equivalent resistance and inductance for the load are small, the authors take into account all the main parasitic elements of the electronic component parts that appear on the power path of the induction heating system. Paper comprises simulation and experimental results of a low power induction heating system that are in good agreement with the theoretical analysis.

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Section: Equivalent Circuit Analysis and Design Hintsmentioning

confidence: 99%

“…Taking this time into account the parasitic r ecv and L' ss for the circuit shown in Fig.1, the resonant frequencies f 1,2,3,4 , mentioned also in [5], can be obtained with (5):…”

Section: Equivalent Circuit Analysis and Design Hintsmentioning

confidence: 99%