A Double-Sided LCLC-Compensated Capacitive Power Transfer System for Electric Vehicle Charging
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- 17 June 2015
- journal article
- research article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Transactions on Power Electronics
- Vol. 30 (11), 6011-6014
- https://doi.org/10.1109/tpel.2015.2446891
Abstract
A double-sided LCLC-compensated capacitive power transfer (CPT) system is proposed for the electric vehicle charging application. Two pairs of metal plates are utilized to form two coupling capacitors to transfer power wirelessly. The LCLC-compensated structure can dramatically reduce the voltage stress on the coupling capacitors and maintain unity power factor at both the input and output. A 2.4-kW CPT system is designed with four 610-mm × 610-mm copper plates and an air gap distance of 150 mm. The experimental prototype reaches a dc-dc efficiency of 90.8% at 2.4-kW output power. At 300-mm misalignment case, the output power drops to 2.1 kW with 90.7% efficiency. With a 300-mm air gap distance, the output power drops to 1.6 kW with 89.1% efficiency.Keywords
Funding Information
- US Department of Energy Graduate Automotive Technology Education
- US–China Clean Energy Research Center—Clean Vehicle Consortium
- DENSO International
- University of Michigan–Dearborn
- University of Michigan–Ann Arbor
- China Scholarship Council
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