Contactless power transfer system
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United States of America Patent
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Nov 21, 2017
Grant Date -
Feb 4, 2016
app pub date -
Jul 30, 2015
filing date -
Aug 4, 2014
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Abstract
A power supply ECU controls a converter to have a first control region in which a voltage is raised as a coupling coefficient is larger, and a second control region in which the voltage is maintained at a rating irrespective of a coupling coefficient. An ECU controls a converter such that an input impedance of the converter attains a prescribed value in the first control region and controls the converter such that received electric power becomes close to a target by changing the input impedance in the second control region.
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