DISTRIBUTED POWER SYSTEM AND OPERATION METHOD

A distributed power system is designed to continuously supply electric power to a load even when a system voltage of the electric power system becomes abnormal. The distributed power system includes a DC/DC converter to convert DC current generated by solar power generation facility to DC current wi...

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Bibliographische Detailangaben
Hauptverfasser:	OHSHIMA MASAAKI, USHIKI SHUICHI
Format:	Patent
Sprache:	eng
Schlagworte:	CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION SYSTEMS FOR STORING ELECTRIC ENERGY
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Beschreibung
Zusammenfassung:	A distributed power system is designed to continuously supply electric power to a load even when a system voltage of the electric power system becomes abnormal. The distributed power system includes a DC/DC converter to convert DC current generated by solar power generation facility to DC current with a predetermined output voltage, and an inverter to convert the DC current to an AC current which is output to an electric power system via a system interconnect switch. When the system voltage of the electric power system is abnormal, a control device makes the system interconnect switch open to switch operation modes of the DC/DC converter and inverter to a self-sustaining operation without stopping, and supplies electric power to a load connected between the inverter and the system interconnect switch.