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Examination of a Split Transformer Arrangement for the Inductive Link of Contactless Power Transfer Systems
Abstract:
In this work, a split transformer topology is proposed for use in a wireless electric vehicle charger. The topology presents desirable characteristics concerning minimization of the air gap, easiness of alignment, weight and cost. Comparison is performed with spiral topologies presented in relevant literature. The coupling coefficient of the system for various air gaps and misalignment conditions is extracted by 3D finite element simulations and experimentally validated by a 3 kW prototype inductive power transfer system. The magnetic field at nominal power of operation is also simulated for evaluation of the compliance to the human exposure limits.
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178-183
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May 2016
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© 2016 Trans Tech Publications Ltd. All Rights Reserved
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