POWER SUPPLY DEVICE FOR ELECTRIC VEHICLE

An ECU of an electric vehicle supplies a target rotation speed RT having a value corresponding to the temperature TB of a main battery to a cooler, controls a main DC/DC converter such that the SOC of an auxiliary battery is in a predetermined range SOCL to SOCH less than 100% when a cooling fan in...

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Bibliographische Detailangaben
Hauptverfasser:	MINAMIURA Keiichi, HAYASHI Takuro
Format:	Patent
Sprache:	eng
Schlagworte:	ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES AUXILIARY DRIVES FOR VEHICLES BASIC ELECTRIC ELEMENTS CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES ELECTRICITY ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL GENERATION INSTRUMENTATION OR DASHBOARDS FOR VEHICLES MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES PERFORMING OPERATIONS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY SYSTEMS FOR STORING ELECTRIC ENERGY TRANSPORTING VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	An ECU of an electric vehicle supplies a target rotation speed RT having a value corresponding to the temperature TB of a main battery to a cooler, controls a main DC/DC converter such that the SOC of an auxiliary battery is in a predetermined range SOCL to SOCH less than 100% when a cooling fan in the cooler is driven at the target rotation speed (RT), and controls the main DC/DC converter such that the SOC of the auxiliary battery is 100% when the cooling fan is not driven at the target rotation speed (RT).