A Dynamic Reconfiguration Based Hybrid Network Design Methodology for IPT CC/CV Output

For electric vehicles (EVs) inductive power transfer (IPT) system, it is critical to develop the load-independent constant current (CC) and constant voltage (CV) output function for battery energy charging. To realize these performances, a hybrid network design methodology based on dynamic reconfigu...

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Bibliographic Details
Published in:IEEE journal of emerging and selected topics in power electronics 2024-02, Vol.12 (1), p.1-1
Main Authors: Wang, Deyu, Zhang, Enpu, Fu, Chaowei, Bei, Xihong, Zhao, Qinglin
Format: Article
Language:English
Subjects:
Batteries
Battery chargers
Charging
Compensation
Constant current (CC)
constant voltage (CV)
Couplers
Design engineering
design methodology
Electric vehicles
inductive power transfer (IPT)
Network design
Network topologies
Network topology
Power transfer
Reactive power
Receivers
Reconfiguration
Switches
Topology
Transmitters
Vehicle dynamics
Voltage
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Summary:For electric vehicles (EVs) inductive power transfer (IPT) system, it is critical to develop the load-independent constant current (CC) and constant voltage (CV) output function for battery energy charging. To realize these performances, a hybrid network design methodology based on dynamic reconfiguration is proposed in this paper. Dynamic network reconfiguration is defined as the process of charging from one charging function to another. By partitioning the hybrid network topology into two cascaded parts: a dynamic reconfigurable network and a static compensation network, the CC/CV network developing process is simplified. The methodology is independent of the magnetic coupler, can be applied to either transmitters or receivers, and puts no restrictions on the compensation network topology. Moreover, the input-output transformation attributes and zero phase angle (ZPA) performance of essential networks is analyzed to form the static network. As for the dynamic network, the output performance could be shifted by switches, and CC/CV output at the same ZPA frequency is combined to reduce reactive power loss. Besides, the T-type equivalent model of the magnetic coupler is decomposed as a part of the dynamic/static structure networks. Finally, a 1 kW reconfigurable IPT battery charger prototype is built to verify the design methodology.
ISSN:2168-6777
2168-6785
DOI:10.1109/JESTPE.2023.3301031