Charging electric vehicles using DC-to-DC converters with immersion-cooled inductors

Described herein are vehicle charging systems, each comprising a recharge vehicle and a work vehicle configured to form an electrical connection and charge the work vehicle battery from the recharge vehicle battery. In some examples, this charging is performed at 500 kW or more or even at 1,000 kW o...

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Bibliographische Detailangaben
Hauptverfasser:	McLean, Sean, Wright, Ian, Chapman, Max
Format:	Patent
Sprache:	eng
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 BASIC ELECTRIC ELEMENTS CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS 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 ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL GENERATION MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS PERFORMING OPERATIONS PRINTED CIRCUITS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY TRANSPORTING VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	Described herein are vehicle charging systems, each comprising a recharge vehicle and a work vehicle configured to form an electrical connection and charge the work vehicle battery from the recharge vehicle battery. In some examples, this charging is performed at 500 kW or more or even at 1,000 kW or more. Furthermore, the connection and/or charging can be performed while both vehicles are moving (e.g., the recharge vehicle moving in front of the work vehicle). The recharge vehicle comprises one or more DC-DC converters, configured to boost a first voltage (V1) of the recharge vehicle battery to a second voltage (V2) of the work vehicle battery. It should be noted that these voltages vary depending on the state of charge of these batteries. In some examples, each DC-DC converter utilizes a combination of immersion, conductive, and convective cooling for different components of the converter.