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Output Current Estimation and Control in Primary Side LCC Secondary Side Series Compensated Wireless Power Transfer System without Secondary Side Sensors

by Subhajyoti Mukherjee, Omer C Onar
Publication Type
Conference Paper
Book Title
2024 IEEE Energy Conversion Congress and Exposition (ECCE)
Publication Date
Publisher Location
New Jersey, United States of America
Conference Name
IEEE Energy Conversion Congress and Exposition (ECCE)
Conference Location
Phoenix, Arizona, United States of America
Conference Sponsor
IEEE
Conference Date
-
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Abstract

The estimation (and control) of the output variables is often challenging for wireless power transfer (WPT) systems. This paper presents a secondary side sensor-less closed loop estimation technique to estimate the output current in a primary side LCC and secondary side series compensated WPT system. Using information of primary side variables, the proposed estimation can estimate the output current over a wide range of load current variations. Results are presented to verify the efficacy of the proposed estimation.