To provide a power transmission device and a power reception device that can be easily connected and can suppress an interphase voltage.SOLUTION: A non-contact power supply system 10 transmits power in a non-contact manner between a power transmission device 20 provided on the road side and a power reception device 30 provided on the vehicle side, and charges a power storage battery 12 provided in the vehicle. The power transmission device 20 includes a U-phase power transmission side resonant portion 20a having a U-phase power transmission coil 26u, a V-phase power transmission side resonance portion 20b having a V-phase power transmission coil 26v in a three-phase current, and a W-phase power transmission side resonance portion 20c having a W-phase power transmission coil 26w. The power transmission side resonance portions 20a to 20c includes power transmission side first capacitors 25u, 25v, and 25w connected in series to one ends of the power transmission coils 26u, 26v, and 26w, and power transmission side second capacitor 27u, 27v, and 27w connected in series to the other ends of the power transmission coils, respectively, and the one end of each transmission side resonance portion 20a to 20c is connected to a neutral point N2. The power reception device 30 is similarly configured.SELECTED DRAWING: Figure 1
【課題】結線が容易にでき、かつ、相間電圧を抑制することができる送電装置及び受電装置を提供すること。【解決手段】非接触給電システム10は、道路側に設けられる送電装置20と車両側に設けられる受電装置30との間で、非接触で送電を行い、車両に設けられる蓄電池12を充電する。送電装置20は、U相の送電コイル26uを有するU相の送電側共振部20aと、3相電流のうち、V相の送電コイル26vを有するV相の送電側共振部20bと、W相の送電コイル26wを有するW相の送電側共振部20cと、を備える。各送電側共振部20a〜20cは、それぞれ送電コイル26u,26v,26wの一端に直列接続される送電側第1コンデンサ25u,25v,25wと、他端に直列接続される送電側第2コンデンサ27u,27v,27wと、を有し、各送電側共振部20a〜20cの一端が中性点N2に接続されている。受電装置30も同様に構成されている。【選択図】 図1
POWER TRANSMISSION DEVICE AND POWER RECEPTION DEVICE
送電装置、及び受電装置
22.10.2020
Patent
Elektronische Ressource
Japanisch
IPC: | B60M Speiseleitungen oder Vorrichtungen am Gleis für elektrisch angetriebene Fahrzeuge , POWER SUPPLY LINES, OR DEVICES ALONG RAILS, FOR ELECTRICALLY-PROPELLED VEHICLES / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
POWER RECEPTION DEVICE, POWER TRANSMISSION DEVICE, AND POWER TRANSMISSION AND RECEPTION DEVICE
Europäisches Patentamt | 2022
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