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

The Korean Institute of Power Electronics (전력전자학회)
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Power Control Method for FB-SRC IH Cooktop System Considering Limited Switching Frequency Range Condition

가용 동작 주파수 범위를 고려한 FB-SRC 기반 IH 쿡탑 시스템의 전력 제어 방안

  • Hwang, Yun-Seong (Dept. of Electrical and Computer Engineering, Sungkyunkwan University) ;
  • Lee, Joo-Seung (Dept. of Electrical and Computer Engineering, Sungkyunkwan University) ;
  • Kang, Seung-Hyun (Dept. of Electrical and Computer Engineering, Sungkyunkwan University) ;
  • Kwon, Man-Jae (Dept. of Electrical and Computer Engineering, Sungkyunkwan University) ;
  • Jang, Eunsu (Dept. of Electrical and Computer Engineering, Sungkyunkwan University) ;
  • Lee, Byoung-Kuk (Dept. of Electrical Engineering, Sungkyunkwan University)
  • Received : 2022.01.28
  • Accepted : 2022.04.14
  • Published : 2022.06.20
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Abstract

The frequency power control method (FCM) which has a wide operating frequency range is adopted for induction heating (IH) cooktops. When FCM is applied to the full-bridge series resonant converter (FB-SRC) based IH system, high-frequency switching of the inverter is required compared to the half-bridge SRC (HB-SRC)-based IH system. Therefore, the switching loss of the inverter increases, and applying FCM under the condition that the inverter operating frequency range is limited is difficult. Therefore, this paper proposes a control strategy with the phase shift power control method considering that limited frequency conditions are presented. Loss analysis following the control method is performed through simulation and mathematical analysis. In addition, the validity of the proposed control strategy is verified by analyzing the heating performance following the control method through the test results of the 3,200[W] prototype.

Keywords

Acknowledgement

이 논문은 2021년도 정부(산업통상자원부)의 재원으로 한국에너지기술평가원의 지원을 받아 수행된 연구임. (20212020800020, 통합형 최적설계 플랫폼 기반 초고효율 전력변환시스템 개발)

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