POWER SUPPLY APPARATUS, VEHICLE MOUNTING IT AND METHOD OF CONTROLLING POWER SUPPLY APPARATUS

PROBLEM TO BE SOLVED: To make a step-up converter step up the voltage from a DC power supply quickly to a target voltage while making a motor output torque well. SOLUTION: When the voltage from a battery 50 is boosted up by a step-up converter 55 in a hybrid vehicle 20, a boost rate ΔV required for...

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Bibliographische Detailangaben
Hauptverfasser:	NAKAMURA MAKOTO, TSUJII SHINTARO
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 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 CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE ORDIFFERENT FUNCTION CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS CONTROL OR REGULATION THEREOF CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS 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 INSTRUMENTATION OR DASHBOARDS FOR VEHICLES MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES PERFORMING OPERATIONS ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TOTHE CONTROL OF A PARTICULAR SUB-UNIT TRANSPORTING VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To make a step-up converter step up the voltage from a DC power supply quickly to a target voltage while making a motor output torque well. SOLUTION: When the voltage from a battery 50 is boosted up by a step-up converter 55 in a hybrid vehicle 20, a boost rate ΔV required for a boosted voltage VH to reach a target boosted voltage VHtag is set (step S140) based on the boosted voltage VH,i.e. the voltage boosted by the step-up converter 55, an output limit Wout, i.e. a power permitted to be discharged from the battery 50, and a power which is consumed as torque is output from motors MG1 and MG2 and then the step-up converter 55 is controlled (steps S150, S160) based on the boost rate ΔV thus set and the target boosted voltage VHtag so that the boosted voltage VH changes. COPYRIGHT: (C)2009,JPO&INPIT