Narrow-Width Inductive Power Transfer System for Online Electrical Vehicles

Anew inductive power transfer system with a narrow rail width, a small pickup size, and a large air gap for online electric vehicles is proposed in this paper. By introducing a new core structure, the orientation of the magnetic flux alternates along with the road; hence, an inductive power transfer system with a narrow rail width of 10 cm, a large air gap of 20 cm, and a large lateral displacement about 24 cm was implemented. The resonant circuit of the inductive power transfer system, driven by a current source, was fully characterized. The experimental results showed that the maximum output power was 35 kW and that the maximum efficiency was 74% at 27 kW. The proposed system was found to be adequate for electric vehicles, allowing them to drive freely on specially implemented roads by obtaining power from the buried power supply rail.
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Issue Date
2011-12
Language
ENG
Article Type
Article
Keywords

INDUCTANCE; DESIGN

Citation

IEEE TRANSACTIONS ON POWER ELECTRONICS, v.26, no.12, pp.3666 - 3679

ISSN
0885-8993
URI
http://hdl.handle.net/10203/98876
Appears in Collection
EE-Journal Papers(저널논문)EE-Journal Papers(저널논문)
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