A Modified DDQ Track for Interoperable EV Dynamic Charging

The design and realization of dynamic EV charging systems face challenges such as large coupling variations and interoperability requirements. The study of the dynamic process using exhaustive simulation approaches is also time-consuming. This paper proposes a two-phase DDQ track topology focusing o...

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Bibliographic Details
Published in:IEEE transactions on power electronics 2023-10, Vol.38 (10), p.1-13
Main Authors: Chen, Weitong, Lin, Feiyang, Covic, Grant A.
Format: Article
Language:English
Subjects:
Air gaps
Coils
Cost analysis
Coupling
Couplings
Electric vehicle charging
EV dynamic charging
Fluctuations
Interoperability
Layout
Misalignment
Power transfer
Prototyping
Simulation
Topology
two-phase primary
Windings
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Summary:The design and realization of dynamic EV charging systems face challenges such as large coupling variations and interoperability requirements. The study of the dynamic process using exhaustive simulation approaches is also time-consuming. This paper proposes a two-phase DDQ track topology focusing on improving interoperability and reducing power transfer fluctuations. A method to simplify the design process is also presented. By converting the dynamic procedure of a multi-coil system into a mathematical model of a single-coil to single-coil system, the method simplifies the evaluation of numerous designs into a calculation script associated with a much lower simulation count. Analysis and evaluations based on coupling profile, interoperability, and cost-effectiveness are carried out from both general and statistical points of view. A design that meets minimum misalignment requirements and has a stable coupling profile is selected for prototyping. The experiment at a 10-kW power level verifies the simulation and analysis.
ISSN:0885-8993
1941-0107
DOI:10.1109/TPEL.2023.3267729