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Variable Duty Control of Three-Phase Voltage Source Inverter for Wireless Power Transfer Systems...

by Gui-jia Su, Omer C Onar, Jason L Pries, Veda Prakash Galigekere
Publication Type
Conference Paper
Book Title
Proceedings of the IEEE Energy Conversion Congress and Exposition
Publication Date
Page Numbers
2118 to 2124
Conference Name
IEEE Energy Conversion Congress and Exposition (IEEE ECCE 2019)
Conference Location
Baltimore, Maryland, United States of America
Conference Sponsor
IEEE, Power Electronics Society, Industry Applications Society
Conference Date
-

This paper presents duty control and analysis of the three-phase voltage source inverter (VSI) to adjust the output power for three-phase wireless power transfer (WPT) applications. Analytical results show significant reductions in the inverter dc link ripple current with the three-phase system over single-phase WPT counterparts. Simulation and experimental results for an 18 kW three-phase series-series WPT system are included to validate the duty control and analysis. Experimental results also demonstrated the output voltage can be controlled over a wide range by adjusting the inverter duty.