Journal
IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-EXPRESS BRIEFS
Volume 64, Issue 8, Pages 942-946Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TCSII.2016.2624272
Keywords
Electric vehicle; series-series resonant topology; synchronous rectification (SR); wireless power transfer (WPT)
Categories
Funding
- Ministry of Science and Technology of Taiwan [NSC 103-2221-E-011-064-MY3]
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In this brief, a high-efficiency wireless power transfer (WPT) system for electric vehicle charging application is studied and implemented. Series-series resonant topology with RF feedback design is adopted as the WPT dc-dc stage due to the advantages of circuit simplicity, easy analysis, and control. A 500-W laboratory prototype is built and tested to verify the feasibility of the proposed design. According to the experimental results, high wall-to-battery efficiency and unity power factor can be achieved over an air gap of 15 cm and maximum sliding distance of 10 cm under various power conditions and universal input voltage from 90VAC to 264VAC.
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