Single-Phase Six-Switch Dual-Output Inverter Using Dual-Buck Structure

In this paper, a novel six-switch dual-output inverter is proposed. The three-switch leg in the proposed inverter is implemented with the dual-buck structure. Hence, it retains all the benefits of the conventional dual-buck inverter such as improved reliability owing to the absence of short-circuit...

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Bibliographic Details
Published in:IEEE transactions on power electronics 2018-09, Vol.33 (9), p.7894-7903
Main Authors: Nguyen, Bang Le-Huy, Cha, Honnyong, Kim, Heung-Geun
Format: Article
Language:English
Subjects:
Circuit reliability
Dual-buck inverter
dual-output
Field effect transistors
Inductors
Insulated gate bipolar transistors
Inverters
Legged locomotion
Limiting
MOSFET
MOSFETs
nine-switch converter
Passive components
Power efficiency
reduced-switch-count converters
Semiconductor devices
Short circuits
single-phase inverter
Switches
switching cell
three-switch-leg
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Summary:In this paper, a novel six-switch dual-output inverter is proposed. The three-switch leg in the proposed inverter is implemented with the dual-buck structure. Hence, it retains all the benefits of the conventional dual-buck inverter such as improved reliability owing to the absence of short-circuit problems and higher efficiency with the use of power metal-oxide-semiconductor field-effect transistor ( mosfet ) without reverse recovery issues on its body diode. In addition, the passive components can be reduced with the high switching frequency operation. A 3.5-kW, 400-V dc input mosfet -based hardware prototype was built and tested to verify the performance of the proposed inverter and a maximum efficiency of 97% was achieved.
ISSN:0885-8993
1941-0107
DOI:10.1109/TPEL.2017.2774363