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Content Provider | IET Digital Library |
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Author | Zhang, Yiming Yan, Zhengchao Kan, Tianze Mi, Chris |
Abstract | Fast charging of electric vehicles (EVs) has been the trend recently. For conductive charging, normal charging can be realised by an on-board charger, while fast charging can be realised by a DC charger which is usually off-board the vehicle. However, for wireless charging, there is a need of a transmitter on the ground and a receiver on the EV side. Therefore, there will be a high-power receiver and a low-power receiver in one EV to achieve dual charging capabilities. To reduce the EV-side cost, weight, and volume, this paper proposes a wireless charging system with a shared receiver compatible of fast wireless charging (FWC) at a small air gap and normal wireless charging (NWC) at a large air gap. The relationship between the coil size and the power level is investigated and a suitable receiver coil size is selected for FWC. The LCC-LCC topology is selected due to its characteristic of output power proportional to the coupling coefficient. Design procedures of the receiver and transmitters are investigated. The simulations and the experimental results obtained from the downscaled prototype verified the effectiveness of the compatibility design. |
Starting Page | 2551 |
Ending Page | 2558 |
Page Count | 8 |
ISSN | 17554535 |
Volume Number | 12 |
e-ISSN | 17554543 |
Issue Number | Issue 10, Aug (2019) |
Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-pel/12/10 |
Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-pel.2018.6080 |
Journal | IET Power Electronics |
Publisher Date | 2019-02-26 |
Access Restriction | Open |
Rights Holder | © The Institution of Engineering and Technology |
Subject Keyword | Air Gap Battery Chargers Battery Powered Vehicle Coils Conductive Charging Dual Charging Capabilities Electric Vehicle EV-side Cost Fast Charging Fast Wireless Charging High-power Receiver Hybrid Electric Vehicle Inductive Power Transmission Low-power Receiver Normal Charging Normal Wireless Charging On-board Charger Open System Power Converter Power Supplies to Apparatus Radio Receiver Resonant Power Converter Shared Receiver Compatible Suitable Receiver Coil Size Transportation Wireless Charging System |
Content Type | Text |
Resource Type | Article |
Subject | Electrical and Electronic Engineering |
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