An object of the present invention is to bring secondary power closer to a secondary target value quickly. A contactless power feeding system (2) includes: a primary circuit (21) for supplying primary power to a power feeding coil (31); and a primary control circuit (22) for controlling the primary circuit (21). The primary control circuit (22) acquires, from a secondary control circuit (5), a secondary measured value and a secondary target value of secondary power received by a power receiving coil (41). The primary control circuit (22) performs control processing and update processing alternately and repeatedly. The control processing is processing of controlling the primary circuit (21) to bring the primary measured value into conformity with a primary target value. The update processing is processing of updating the primary target value. The update processing includes processing of calculating the primary target value based on transfer efficiency to be determined by the primary measured value and the secondary measured value and on the secondary target value.
CONTACTLESS POWER SUPPLY SYSTEM AND CONTACTLESS POWER TRANSMISSION SYSTEM
KONTAKTLOSES STROMVERSORGUNGSSYSTEM UND KONTAKTLOSES STROMÜBERTRAGUNGSSYSTEM
SYSTÈME D'ALIMENTATION ÉLECTRIQUE SANS CONTACT ET SYSTÈME DE TRANSMISSION ÉLECTRIQUE SANS CONTACT
2021-01-20
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 / G05F SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES , Systeme zum Regeln elektrischer oder magnetischer Veränderlicher |
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