POWER CONVERSION DEVICE AND CONTROL METHOD THEREOF, AND ELECTRIC VEHICLE CHARGING SYSTEM

Embodiments of the present disclosure provide a power conversion device, an electric vehicle charging system, and a method of controlling the power conversion device. The power conversion device includes: a first power converter and a second power converter; a resonant converter coupled between the...

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Bibliographische Detailangaben
Hauptverfasser:	TANG, Yin, SITU, Qin, ZHANG, Felix-Fan, YUEN, Ken-KuenFaat
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER 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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Beschreibung
Zusammenfassung:	Embodiments of the present disclosure provide a power conversion device, an electric vehicle charging system, and a method of controlling the power conversion device. The power conversion device includes: a first power converter and a second power converter; a resonant converter coupled between the first power converter and the second power converter; and a controller configured to: control, based on voltage information associated with the power conversion device, the first power converter to perform conversion between an AC voltage or a first DC voltage and a second DC voltage; control the resonant converter to operate at a predetermined resonant frequency to perform conversion between the second DC voltage and a third DC voltage; and control, based on the voltage information, the second power converter to perform conversion between the third DC voltage and a fourth DC voltage. The solution the present disclosure can improve the efficiency of the power conversion device and the charging system, and expanding the application range and the scenarios.