Power supply device

A power supply device comprises a first boost converter configured to transmit electric power with conversion of a voltage between an electric load side and a power storage device side; a second boost converter connected in parallel to the first boost converter relative to an electric load and confi...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Oi, Shohei, Nomura, Atsushi, Nobe, Daigo
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 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 MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PERFORMING OPERATIONS PHYSICS SYSTEMS FOR STORING ELECTRIC ENERGY TESTING TRANSPORTING VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	A power supply device comprises a first boost converter configured to transmit electric power with conversion of a voltage between an electric load side and a power storage device side; a second boost converter connected in parallel to the first boost converter relative to an electric load and configured to transmit electric power with conversion of a voltage between the electric load side and the power storage side; and a control device configured to control the first boost converter and the second boost converter. At a predetermined time, the control device performs a loop current control that controls the first boost converter and the second boost converter such that a loop current flows in a closed circuit including the first boost converter and the second boost converter.