WIRELESS POWER SUPPLY DEVICE

A wireless power supply device (101) includes a resonant circuit (111) comprising a power supply coil (111a) and a resonant capacitor (111b); and a controller that changes a waveform of power in the resonant circuit (111) and causes a phase difference between a phase of a drive signal that drives th...

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Bibliographic Details
Main Authors NOBATA, YUKIKAZU, NISHIKAWA, TAKAFUMI, WAKABAYASHI, NAOYUKI
Format Patent
LanguageEnglish
French
German
Published 06.04.2016
Subjects
CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES
ELECTRICITY
ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL
GENERATION
MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES
PERFORMING OPERATIONS
SYSTEMS FOR STORING ELECTRIC ENERGY
TRANSPORTING
VEHICLES IN GENERAL
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Summary:A wireless power supply device (101) includes a resonant circuit (111) comprising a power supply coil (111a) and a resonant capacitor (111b); and a controller that changes a waveform of power in the resonant circuit (111) and causes a phase difference between a phase of a drive signal that drives the resonant circuit (111) and a phase of current flowing through the power supply coil (111a) to be substantially 0.
Bibliography:Application Number: EP20150172975