POWER TRANSMISSION DEVICE AND CONTACTLESS POWER SUPPLY SYSTEM

A contactless power supply system comprising a power transmission device having a power transmission-side resonance circuit including a power-transmission-side coil, and a power reception device having a power-reception-side resonance circuit including a power-reception-side coil, the contactless po...

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Bibliographische Detailangaben
Hauptverfasser:	OKUI Akihiro, UTSUNOMIYA Kimitake, IKEFUJI Yoshihiro
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BASIC ELECTRIC ELEMENTS CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY GENERATION INDUCTANCES MAGNETS SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES SYSTEMS FOR STORING ELECTRIC ENERGY TELEPHONIC COMMUNICATION TRANSFORMERS TRANSMISSION
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Beschreibung
Zusammenfassung:	A contactless power supply system comprising a power transmission device having a power transmission-side resonance circuit including a power-transmission-side coil, and a power reception device having a power-reception-side resonance circuit including a power-reception-side coil, the contactless power supply system being capable of transmitting and receiving power by magnetic field resonance, wherein the power transmission device monitors the amplitude of current flowing to the power-transmission-side coil when power is being transmitted. When a power amplitude detection value (V mFOD ) is outside a prescribed normal range, foreign matter is determined to be present, and power transmission is stopped.