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CLC number: TM92

On-line Access: 2008-03-06

Received: 2007-04-03

Revision Accepted: 2007-12-24

Crosschecked: 0000-00-00

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Journal of Zhejiang University SCIENCE A 2008 Vol.9 No.4 P.564~571

http://doi.org/10.1631/jzus.A071177


Zero-voltage switching converter absorbing parasitic parameters for super high frequency induction heating


Author(s):  Zheng-shi WANG, Hui-ming CHEN

Affiliation(s):  School of Electrical Engineering, Zhejiang University, Hangzhou 310027, China

Corresponding email(s):   wzs@zju.edu.cn

Key Words:  Induction heating, Super high frequency, Soft-switching converter, Parasitic parameters


Zheng-shi WANG, Hui-ming CHEN. Zero-voltage switching converter absorbing parasitic parameters for super high frequency induction heating[J]. Journal of Zhejiang University Science A, 2008, 9(4): 564~571.

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author="Zheng-shi WANG, Hui-ming CHEN",
journal="Journal of Zhejiang University Science A",
volume="9",
number="4",
pages="564~571",
year="2008",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.A071177"
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%T Zero-voltage switching converter absorbing parasitic parameters for super high frequency induction heating
%A Zheng-shi WANG
%A Hui-ming CHEN
%J Journal of Zhejiang University SCIENCE A
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%P 564~571
%@ 1673-565X
%D 2008
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.A071177

TY - JOUR
T1 - Zero-voltage switching converter absorbing parasitic parameters for super high frequency induction heating
A1 - Zheng-shi WANG
A1 - Hui-ming CHEN
J0 - Journal of Zhejiang University Science A
VL - 9
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SP - 564
EP - 571
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PB - Zhejiang University Press & Springer
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DOI - 10.1631/jzus.A071177


Abstract: 
This paper presents a novel mega-Hz-level super high frequency zero-voltage soft-switching converter for induction heating power supplies. The prominent advantage of this topology is that it can absorb both inductive and capacitive parasitic components in the converter. The switch devices operate in a zero-voltage soft-switching mode. Consequently, the high voltage and high current spikes caused by parasitic inductors or capacitors oscillation do not occur in this circuit, and the high power loss caused by high frequency switching can be greatly reduced. A large value inductor is adopted between the input capacitor and the switches, thus, this novel converter shares the benefits of both voltage-type and current-type circuits simultaneously, and there are no needs of dead time between two switches. The working principles in different modes are introduced. Results of simulation and experiments operated at around 1 MHz frequency verify the validity of parasitic components absorption and show that this converter is competent for super high frequency applications.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article

Reference

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[4] Czarkowski, D., Kazmierczuk, M.K., 1998. ZVS class D series resonant inverter-discrete-time state-space simulation and experimental results. IEEE Trans. on Circuits & Syst. I-Fundam. Theory & Appl., 45(11):1141-1147.

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