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http://dx.doi.org/10.6113/TKPE.2013.18.5.458

A Novel Soft Switched Auxiliary Resonant Circuit of a PFC ZVT-PWM Boost Converter for an Integrated Multi-chips Power Module Fabrication  

Kim, Yong-Wook (Dept. of Electrical Eng., EECS lab., Hanyang University)
Kim, Rae-Young (Dept. of Electrical and Biomedical Eng., Hanyang University)
Soh, Jae-Hwan (Dept. of Electrical Eng., EECS lab., Hanyang University)
Choi, Ki-Young (Dept. of Electrical Eng., EECS lab., Hanyang University)
Publication Information
The Transactions of the Korean Institute of Power Electronics / v.18, no.5, 2013 , pp. 458-465 More about this Journal
Abstract
This paper proposes a novel soft-switched auxiliary resonant circuit to provide a Zero-Voltage-Transition at turn-on for a conventional PWM boost converter in a PFC application. The proposed auxiliary circuit enables a main switch of the boost converter to turn on under a zero voltage switching condition and simultaneously achieves both soft-switched turn-on and turn-off. Moreover, for the purpose of an intelligent multi-chip power module fabrication, the proposed circuit is designed to satisfy several design constraints including space saving, low cost, and easy fabrication. As a result, the circuit is easily realized by a low rated MOSFET and a small inductor. Detail operation and the circuit waveform are theoretically explained and then simulation and experimental results are provided based on a 1.8 kW prototype PFC converter in order to verify the effectiveness of the proposed circuit.
Keywords
auxiliary resonant circuit; zero-voltage transition; PWM boost converter; integrated multi-chips power module; power factor correction;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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