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Sensorless Control of Voltage Peaks in Class-E Single-Ended Resonant Inverter for Induction Heating Rice Cooker

Author

Listed:
  • Yongseung Oh

    (R&D Center, Willings Co., Ltd., Yongin-si 17037, Gyeonggi-do, Korea)

  • Jaeeul Yeon

    (Infineon Technologies Austria AG, 9500 Villach, Austria)

  • Jayoon Kang

    (Department of Mechatronics Engineering, Hanyang University, Seongdong-gu, Seoul 04763, Korea)

  • Ilya Galkin

    (Institute of Industrial Electronics and Electrical Engineering, Riga Technical University, LV-1658 Riga, Latvia)

  • Wonsoek Oh

    (Department of Electrical Engineering, Yuhan University, Bucheon 14780, Gyeonggi-do, Korea)

  • Kyumin Cho

    (Department of Information and Communication Engineering, Yuhan University, Bucheon 14780, Gyeonggi-do, Korea)

Abstract

Single-ended (SE) resonant inverters are widely used as power converters for high-pressure rice cooker induction, with 1200 V insulated-gate bipolar transistors (IGBTs) being used as switching devices for kW-class products. When voltage fluctuations occur at the input stage of an SE resonant inverter, the resonant voltage applied to the IGBT can be directly affected, potentially exceeding the breakdown voltage of the IGBT, resulting in its failure. Consequently, the resonant voltage should be limited to below a safety threshold—hardware resonant voltage limiting methods are generally used to do so. This paper proposes a sensorless resonant voltage control method that limits the increase in the resonant voltage caused by overvoltage or supply voltage fluctuations. By calculating and predicting the resonance voltage through the analysis of the resonance circuit, the resonance voltage is controlled not to exceed the breakdown voltage of the IGBT. The experimental results of a 1.35 kW SE resonant inverter for a high-pressure induction heating rice cooker were used to verify the validity of the proposed sensorless resonant voltage limiting method.

Suggested Citation

  • Yongseung Oh & Jaeeul Yeon & Jayoon Kang & Ilya Galkin & Wonsoek Oh & Kyumin Cho, 2021. "Sensorless Control of Voltage Peaks in Class-E Single-Ended Resonant Inverter for Induction Heating Rice Cooker," Energies, MDPI, vol. 14(15), pages 1-12, July.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:15:p:4545-:d:602843
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    Citations

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    Cited by:

    1. Nikolay Madzharov & Nikolay Hinov, 2023. "Analysis and Design of Resonant DC/AC Converters with Energy Dosing for Induction Heating," Energies, MDPI, vol. 16(3), pages 1-16, February.
    2. Pradeep Vishnuram & Sudhanshu Kumar & Vivek Kumar Singh & Thanikanti Sudhakar Babu & Ramani Kannan & Khairul Nisak Bt Md Hasan, 2022. "Phase Shift-Controlled Dual-Frequency Multi-Load Converter with Independent Power Control for Induction Cooking Applications," Sustainability, MDPI, vol. 14(16), pages 1-17, August.
    3. Zheng-Feng Li & Jhih-Cheng Hu & Ming-Shi Huang & Yi-Liang Lin & Chun-Wei Lin & Yu-Min Meng, 2022. "Load Estimation for Induction Heating Cookers Based on Series RLC Natural Resonant Current," Energies, MDPI, vol. 15(4), pages 1-19, February.

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