Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/55933
Title: An optimized track length in Roadway Inductive Power Transfer Systems
Authors: Zhang, W
Wong, SC 
Tse, CK 
Chen, Q
Keywords: Couplings
Tracking
Power electronics
Q-factor
Optimization
Electric vehicles
Issue Date: 2014
Publisher: Institute of Electrical and Electronics Engineers
Source: IEEE journal of emerging and selected topics in power electronics, 2014, v. 2, no. 3, p. 598-608 How to cite?
Journal: IEEE journal of emerging and selected topics in power electronics 
Abstract: Application of inductive power transfer (IPT) to electric vehicles moving along the road can provide more charging flexibility with the reduction of weight and size of charge-storage batteries required in the vehicles. Existing research focuses on the efficiency improvement and alignment tolerance of the IPT transformer. Consideration of the transformer track length and the vehicle speed is rarely discussed. In this paper, an IPT vehicle charging system using a series of sectional tracks is studied. The relationship among various key parameters, such as vehicle speed, system efficiency, and power utilization of the IPT system, is studied in detail. Specifically, the impact on efficiency due to variation of track length and edge correction is reported. The extension of the system from a single pickup to multiple pickups is discussed. The results are verified with finite-element-analysis simulation and a scale-down experimental prototype.
URI: http://hdl.handle.net/10397/55933
ISSN: 2168-6777
DOI: 10.1109/JESTPE.2014.2301460
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