Primary-Side Power Flow Control of Wireless Power Transfer for Electric Vehicle Charging

Miller, John M.; Onar, Omer C.; Chinthavali, Madhu

doi:10.1109/JESTPE.2014.2382569

Title: Primary-Side Power Flow Control of Wireless Power Transfer for Electric Vehicle Charging

Journal Article · Mon Dec 22 00:00:00 EST 2014 · IEEE Journal of Emerging and Selected Topics in Power Electronics

DOI:https://doi.org/10.1109/JESTPE.2014.2382569· OSTI ID:1185390

Miller, John M. ^[1]; Onar, Omer C. ^[1]; Chinthavali, Madhu ^[1]

Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Energy and Transportation Science Division

Various noncontacting methods of plug-in electric vehicle charging are either under development or now deployed as aftermarket options in the light-duty automotive market. Wireless power transfer (WPT) is now the accepted term for wireless charging and is used synonymously for inductive power transfer and magnetic resonance coupling. WPT technology is in its infancy; standardization is lacking, especially on interoperability, center frequency selection, magnetic fringe field suppression, and the methods employed for power flow regulation. This paper proposes a new analysis concept for power flow in WPT in which the primary provides frequency selection and the tuned secondary, with its resemblance to a power transmission network having a reactive power voltage control, is analyzed as a transmission network. Analysis is supported with experimental data taken from Oak Ridge National Laboratory s WPT apparatus. Lastly, this paper also provides an experimental evidence for frequency selection, fringe field assessment, and the need for low-latency communications in the feedback path.

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Research Organization:: Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States). National Transportation Research Center (NTRC); Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States). Power Electronics and Electric Machinery Research Facility

Sponsoring Organization:: USDOE; Work for Others (WFO)

Grant/Contract Number:: AC05-00OR22725

OSTI ID:: 1185390

Journal Information:: IEEE Journal of Emerging and Selected Topics in Power Electronics, Vol. 3, Issue 1; ISSN 2168-6777

Publisher:: IEEECopyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 324 works

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