ELECTRIC POWER SUPPLY APPARATUS, CONTACTLESS ELECTRICITY TRANSMISSION APPARATUS, VEHICLE, AND CONTACTLESS ELECTRIC POWER TRANSFER SYSTEM
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United States of America Patent
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Issued Date -
Jun 26, 2014
app pub date -
Jul 25, 2012
filing date -
Jul 28, 2011
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Abandoned
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Abstract
An electric power supply apparatus includes a choke coil, a switching element, a resonance circuit and a compensation circuit. The parasitic capacitance of the switching element is larger than a predetermined capacitance needed for realizing class E zero-voltage switching. The compensation circuit is connected in parallel with the switching element. The compensation circuit includes a coil and a capacitor, and has inductive impedance.
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