Abstract

Wireless power transfer (WPT) is foreseen as a suitable technology to provide charging without cables to electric vehicles. The charging requires a specific charging profile for different type of battery. In addition, the loading condition of the charging circuit could change drastically as following the charging profile. Due to the dependencies on loading condition, the transmission efficiency of a WPT system could degrade during the charging process. Nevertheless, the sensitivity of efficiency to loading condition could be reduced with proper design of compensation network, e.g., LCC. In this paper, a SPICE-simulation based optimization flow is demonstrated for matching reactance optimization for a WPT system following the Society of Automotive Engineers (SAE) J2954 recommended practice (RP). Based on the method we proposed, it is possible to obtain the optimal reactance value for multiple loading conditions regarding transfer efficiency. The proposed method and result are verified by experimental measurements.

Department(s)

Electrical and Computer Engineering

Comments

National Science Foundation, Grant 1916535

Keywords and Phrases

Electric vehicles; Reactance optimization; SAE J2954; Wireless power transfer

International Standard Book Number (ISBN)

978-172814238-8

Document Type

Article - Conference proceedings

Document Version

Citation

File Type

text

Language(s)

English

Rights

© 2024 Institute of Electrical and Electronics Engineers, All rights reserved.

Publication Date

15 Nov 2020

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