BUFFERING ENERGY STORAGE SYSTEMS FOR REDUCED GRID AND VEHICLE BATTERY STRESS FOR IN-MOTION WIRELESS POWER TRANSFER SYSTEMS
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United States of America Patent
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Jan 7, 2016
app pub date -
Feb 25, 2013
filing date -
Feb 25, 2013
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Abstract
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.
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