POWER SUPPLY SYSTEM AND VEHICLE EQUIPPED WITH IT AND OUTPUT LIMIT CONTROL METHOD OF POWER SUPPLY SYSTEM

PROBLEM TO BE SOLVED: To provide a power supply system which controls output limit of a plurality of energy storage devices appropriately. SOLUTION: A plurality of converters are provided in correspondence with the plurality of energy storage devices, and the converters are connected with a main pos...

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Bibliographische Detailangaben
1. Verfasser:	MORITA TAKEO
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 CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION 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 GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS GENERATION MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES PERFORMING OPERATIONS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TRANSPORTING VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a power supply system which controls output limit of a plurality of energy storage devices appropriately. SOLUTION: A plurality of converters are provided in correspondence with the plurality of energy storage devices, and the converters are connected with a main positive bus and a main negative bus in parallel with each other. A Wout relaxation permission determination for determining whether the output limit is relaxed or not is made for each energy storage device (S10). Meanwhile, a determination is made whether relaxation of output limit is requested or not based on a vehicle request power (S40). Wout relaxation execution determination for determining whether output limit is relaxed actually is made for each energy storage device (S60), and output limit of a corresponding energy storage device is relaxed based on the determination result. COPYRIGHT: (C)2009,JPO&INPIT