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정지훈

Jung, Jee-Hoon
Advanced Power Interface & Power Electronics Lab.
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Phase-shifted third harmonic modulation technique for induction heating applications to improve soft switching capability

Author(s)
Jeong, WonsikHeo, Kyung-WookLee, Jun-SukJung, Jee-Hoon
Issued Date
2024-05
DOI
10.1007/s43236-024-00834-0
URI
https://scholarworks.unist.ac.kr/handle/201301/82695
Citation
JOURNAL OF POWER ELECTRONICS
Abstract
Induction heating (IH) systems have been attracting more attention due to their direct heating capability. Moreover, IH systems have the advantages of fast heating performance, high efficiency, cleanliness, and safety. However, they also have the disadvantage of limited pot material, size, and misalignment. In general, IH systems cannot properly heat non-ferromagnetic pots because of their low resistance, which induces a large switch current. Third harmonic modulation (THM) is proposed to mitigate this issue. The conventional THM can heat low-impedance pots; however, it has drawbacks in high possibility of hard switching due to the high first harmonic current in the resonant tank. In this paper, a phase-shifted THM is proposed to improve soft switching and the maximum heating capabilities compared with the conventional THM by reducing the first harmonic component of the resonant current.
Publisher
SPRINGER HEIDELBERG
ISSN
1598-2092
Keyword (Author)
Zero voltage switchingInduction heatingThird harmonic modulationPhase-shift modulationPhase-shifted third harmonic modulation
Keyword
SERIES RESONANT INVERTERZVS

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