Power supply system and power supply apparatus

A power supply system includes at least two power supply apparatuses that supply current to one load. Each power supply apparatus includes a converter that supplies current to the load, a FET connected in series between the converter and the load, a current detection unit that detects current flowin...

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Bibliographische Detailangaben
Hauptverfasser:	Fukuhara, Kei, Nakanishi, Iwao
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 ELECTRICITY GENERATION SYSTEMS FOR STORING ELECTRIC ENERGY
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Beschreibung
Zusammenfassung:	A power supply system includes at least two power supply apparatuses that supply current to one load. Each power supply apparatus includes a converter that supplies current to the load, a FET connected in series between the converter and the load, a current detection unit that detects current flowing between the converter and the load, and a droop characteristic controller that causes output voltage of the converter to droop at a droop rate determined based on the magnitude of load current flowing from the converter towards the load. The droop rate is greater when the load current is included in a first current section than when the load current is included in each of a second current section and a third current section. The second current section includes smaller current than the first current section. The third current section includes larger current than the first current section.