Segmental Track Analysis in Dynamic Wireless Power Transfer

Shi-Chun Yang, Hong He, Xiao-Yu Yan, Yu-Hang Chen, Yang Hua, Yao-Guang Cao, Jun Li, Hong-Hai Li and Sheng Yin
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Shi-Chun Yang: School of Transportation Science and Engineering, Beihang University, Beijing 100191, China
Hong He: School of Transportation Science and Engineering, Beihang University, Beijing 100191, China
Xiao-Yu Yan: School of Transportation Science and Engineering, Beihang University, Beijing 100191, China
Yu-Hang Chen: School of Transportation Science and Engineering, Beihang University, Beijing 100191, China
Yang Hua: School of Transportation Science and Engineering, Beihang University, Beijing 100191, China
Yao-Guang Cao: School of Transportation Science and Engineering, Beihang University, Beijing 100191, China
Jun Li: School of Vehicle and Mobility, Tsinghua University, Beijing 100084, China
Hong-Hai Li: Research Institute of Highway Ministry of Transport, Beijing 100088, China
Sheng Yin: Research Institute of Highway Ministry of Transport, Beijing 100088, China

Energies, 2019, vol. 12, issue 20, 1-15

Abstract: Electric vehicles have gained more and more attention because of the serious oil crisis and environmental problems. However, the disadvantages of the electric vehicle, such as short driving range, high battery cost, and inconvenient charging, are hindering its market development and expansion. The realization of on-road wireless power transfer technology can effectively solve the problems of short driving range, prevent the battery from being completely discharged to prolong its service life, and reduce requirement of on-board battery. In this paper, the charging mode and the compensation topology of wireless power transfer technology are discussed and then the equivalent circuit model of segmental wireless power transfer system is built. We carried out some magnetic field simulation to analyze how the track shape and length influence coupling coefficient, which is later verified by experiments.

Keywords: electric vehicle; wireless power transfer; dynamic charging; segmental track analysis (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2019
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