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BUFFERING ENERGY STORAGE SYSTEMS FOR REDUCED GRID AND VEHICLE BATTERY STRESS FOR IN-MOTION WIRELESS POWER TRANSFER SYSTEMS

United States Patent Application

20160001662
A1
View the Complete Application at the US Patent & Trademark Office
Oak Ridge National Laboratory - Visit the Partnerships Directorate Website
An energy buffer including an electrochemical capacitor can be added to the primary circuit and/or to the secondary circuit of in-motion wireless power transfer system. The energy buffer(s) can smoothen the power delivered by the power grid and captured by a vehicle passing over an array of transmit coils through in-motion wireless power transfer. The reduction in the transient power transfer can reduce the peak current that flows through various components of the in-motion wireless power transfer system including a vehicle battery on the vehicle, and prolong the life of the in-motion wireless power transfer system.
MILLER, John M. (Oak Ridge, TN), ONAR, Omer C. (Oak Ridge, TN)
14/ 768,340
February 25, 2013
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT [0001] This invention was made with government support under Contract No. DE-AC05-00OR22725 awarded by the U.S. Department of Energy. The government has certain rights in the invention.