Novel zero-Voltage-transition PWM DC-DC converters

A new family of zero-voltage-switching (ZVS) pulsewidth-modulated (PWM) converters that uses a new ZVS-PWM switch cell is presented in this paper. Except for the auxiliary switch, all active and passive semiconductor devices in the ZVS-PWM converters operate at ZVS turn ON and turn OFF. The auxiliar...

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Bibliographic Details
Published in:IEEE transactions on industrial electronics (1982) 2006-02, Vol.53 (1), p.254-262
Main Author: Wang, Chien-Ming
Format: Article
Language:English
Subjects:
Converters
DC-DC converter
DC-DC power converters
Frequency conversion
Industrial electronics
Overvoltage
Pulse duration modulation
Pulse width modulation
Pulse width modulation converters
Semiconductor devices
Stresses
Switches
Switching converters
Voltage control
Zero current switching
Zero voltage switching
zero-voltage-switching (ZVS)
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Summary:A new family of zero-voltage-switching (ZVS) pulsewidth-modulated (PWM) converters that uses a new ZVS-PWM switch cell is presented in this paper. Except for the auxiliary switch, all active and passive semiconductor devices in the ZVS-PWM converters operate at ZVS turn ON and turn OFF. The auxiliary switch operates at zero-current-switching (ZCS) turns ON and OFF. Besides operating at constant frequency, these new converters have no overvoltage across the switches and no additional current stress on the main switch in comparison to the hard-switching converter counterpart. Auxiliary components rated at very small current are used. The principle of operation, theoretical analysis, and experimental results of the new ZVS-PWM boost converter, rated 1 kW, and operating at 80 kHz, are provided in this paper to verify the performance of this new family of converters.
ISSN:0278-0046
1557-9948
DOI:10.1109/TIE.2005.862253