LTIN, Necmi/0000-0003-3294-9782; ALTIN, Necmi/0000-0003-3294-9782; WOS: 000406726000035 In this study, a 15 kW wireless power transfer system with high frequency and large air gap for electrical vehicle battery charge systems is designed and co-simulations with ANSYS-Maxwell and Simplorer software are performed. The air gap between the primary and the secondary windings are determined as 20 cm for the 15 kW wireless power transfer system. Operation of the designed system for different operation conditions such as completely aligned windings (ideal condition) and windings with alignment errors, which can occur because of user error or another reason, are analyzed and obtained results are reported. The resonant frequency of the designed system which has a 60 x 60 cm secondary winding and a 60 x 100 cm primary winding is 17.702 kHz, and the maximum efficiency of the system is obtained as 75.38% for completely aligned windings. The distribution and density of the electromagnetic flux, and variation of efficiency versus load level of the system and responses of the system in case of different alignment errors are also investigated and reported for both ideal operation conditions and in case of alignment errors. (C) 2017 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.

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http://dx.doi.org/10.1016/j.ijhydene.2017.03.160 under the license https://www.elsevier.com/tdm/userlicense/1.0/
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Published on 01/01/2017

Volume 2017, 2017
DOI: 10.1016/j.ijhydene.2017.03.160
Licence: Other

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