A PWM Plus Phase-Shift Control for Four-Switch Buck-Boost Converter to Achieve ZVS in Full Input Voltage and Load Range

Four-switch buck-boost (FSBB) converter features positive output voltage and low voltage stress of power switches. In this article, a pulsewidth modulation plus phase-shift control scheme is proposed to achieve zero-voltage-switching for all the power switches in full input voltage and load range an...

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Bibliographic Details
Published in:IEEE transactions on industrial electronics (1982) 2022-12, Vol.69 (12), p.12698-12709
Main Authors: Fang, Jie, Ruan, Xinbo, Huang, Xinze, Dong, Renxi, Wu, Xiaojian, Lan, Jianyu
Format: Article
Language:English
Subjects:
Control systems
Converters
Four-switch buck-boost (FSBB) converter
Inductors
Low voltage
Phase shift
phase-shift control
Pulse duration
Pulse width modulation
pulsewidth modulation (PWM)
Switches
Voltage
Voltage control
Zero voltage switching
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Summary:Four-switch buck-boost (FSBB) converter features positive output voltage and low voltage stress of power switches. In this article, a pulsewidth modulation plus phase-shift control scheme is proposed to achieve zero-voltage-switching for all the power switches in full input voltage and load range and minimize the inductor current ripple and root mean square (RMS) value. The implementation of the proposed control scheme is given. A prototype of a 500-W FSBB converter is built and tested in the lab, and the experimental results verify the effectiveness of the proposed control scheme.
ISSN:0278-0046
1557-9948
DOI:10.1109/TIE.2021.3135522