A wireless power transmission system (200) includes a plurality of power transmission devices (50) capable of wirelessly transmitting electric power to a power reception device (30). The plurality of power transmission devices (50) is installed in an area in which a mobile object (20) is movable and each equipped with a power transmission coil (51) that wirelessly transmits electric power to the power reception device of the mobile object. There are provided main power lines (RFP) that supply to the plurality of power transmission devices alternating current (AC) power at a first voltage for use in power transmission, and a direct current (DC) power supply unit (60) that receives the AC power from the main power lines and outputs power at a second voltage that is lower than the first voltage and is used for control within each of the plurality of power transmission devices. This implements a wireless power transfer system with a simplified power supply for controlling the power transmission devices.
CONTACTLESS POWER TRANSMISSION SYSTEM, CONTACTLESS POWER SUPPLY SYSTEM, AND CONTACTLESS POWER SUPPLY METHOD
KONTAKTLOSES STROMÜBERTRAGUNGSSYSTEM, KONTAKTLOSES STROMVERSORGUNGSSYSTEM UND KONTAKTLOSES STROMVERSORGUNGSVERFAHREN
SYSTÈME DE TRANSMISSION D'ÉNERGIE SANS CONTACT, SYSTÈME D'ALIMENTATION ÉLECTRIQUE SANS CONTACT, ET PROCÉDÉ D'ALIMENTATION ÉLECTRIQUE SANS CONTACT
2025-04-23
Patent
Electronic Resource
English
IPC: | 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 / B60M Speiseleitungen oder Vorrichtungen am Gleis für elektrisch angetriebene Fahrzeuge , POWER SUPPLY LINES, OR DEVICES ALONG RAILS, FOR ELECTRICALLY-PROPELLED VEHICLES |
European Patent Office | 2023
|CONTACTLESS POWER SUPPLY SYSTEM AND CONTACTLESS POWER TRANSMISSION SYSTEM
European Patent Office | 2021
|CONTACTLESS POWER SUPPLY SYSTEM AND CONTACTLESS POWER TRANSMISSION SYSTEM
European Patent Office | 2017
|CONTACTLESS POWER TRANSMISSION DEVICE, AND CONTACTLESS POWER SUPPLY SYSTEM
European Patent Office | 2021
|European Patent Office | 2022
|