Design considerations for a misalignment tolerant wireless inductive power system for electric vehicle (EV) charging

Conference paper (2017)

Authors

S. Bandyopadhyay DC systems, Energy conversion & Storage -

V. Prasanth DC systems, Energy conversion & Storage -

L.M. Ramirez Elizondo DC systems, Energy conversion & Storage -

P. Bauer DC systems, Energy conversion & Storage -

Research Group

DC systems, Energy conversion & Storage () (TU Delft)

Efficiency Simulation Electric vehicle Battery charger Contactless Energy Transfer

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http://resolver.tudelft.nl/uuid:b202c063-b857-42ab-b87c-fa377eeab008

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Published Date

2017

Language

English

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Faculty

Electrical Engineering, Mathematics and Computer Science

Department

Electrical Sustainable Energy

Research Group

DC systems, Energy conversion & Storage

Abstract

Misalignment during wireless charging of EVs can lead to low efficiencies (<85%) of power transfer which can lead to thermal issues and high leakage fields. This paper explores the most optimal solution towards a misalignment tolerant system. To that end, a DD-DDQ coil system with series-series compensation combined with an impedance matching control algorithm is explored. A multi-objective optimization approach is presented to visualize the trade-off between the design aspects which result in high misalignment tolerance. Finally, the results are compared with DD-DD coil designs to quantify the advantage of the proposed system.

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