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Analysis Of Mutual Inductance Between Transmitter And Receiver Coils In Wireless Power Transfer System Of Electric Vehicle
Author(s)
Zheng, Junlong
Date Issued
January 1, 2023
Type
Article
Abstract
In the electric vehicle wireless power transfer (WPT) system, the mutual inductance (M) between the transmitting and receiving coils is an important factor influencing overall system efficiency. The M is affected by various factors such as the physical structure of the coils diagram, the distance and relative position between the transmitting and receiving coils, and so on. Our work here has two outstanding contributions. First, the detailed mathematical model of the M was developed. Second, the three-dimensional spatial distribution diagram of the M was drawn using Python software, the maximum value of the M and its corresponding position coordinates were calculated. Then, the theoretical analysis of the M distribution was proven correct through experiments. The theoretical analysis and experimental verification of the M distribution provided a theoretical reference for the positioning requirements between the transmitting and receiving coils.in the electric vehicle WPT system.
Citation
Advances in Electrical and Electronic Engineering, 21(3), 144-156, 2023