The Transactions of the Korean Institute of Power Electronics (전력전자학회논문지)

The Korean Institute of Power Electronics (전력전자학회)
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Design Methodology of Series Resonant Converter and Coil of Induction Heating Applications for Heating Low Resistance IH-Only Container

낮은 저항의 IH 전용용기를 가열할 수 있는 유도 가열 컨버터와 코일 설계

  • Received : 2017.11.14
  • Accepted : 2017.12.27
  • Published : 2018.02.20
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Abstract

An induction heating (IH) resonant converter, as well as its coil design method, is proposed in this study to improve the heat capability of low- and high-resistance IH vessels. Conventional IH resonant converters have been designed only for heating high-resistance containers designed for IH application. Thus, the primary current in the resonant tank becomes extremely high to transfer the rated power when the converter heats the low-resistance vessel. As a result, the rated power cannot be transferred due to overcurrent flows against the rated switch current. Hence, the optimal number of coil turns and proper operating frequency to heat high- and low-resistance vessels are proposed in this study by analyzing an IH load model. Simulation and experimental results using a 2.4 kW prototype resonant converter and its IH coil validate the proposed design.

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References

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