CHARGE/DISCHARGE POWER CONTROL DEVICE, ENERGY STORAGE SYSTEM, AND OPERATION METHOD OF ENERGY STORAGE SYSTEM

A power control device according to an embodiment of the present invention, which is a device for controlling charge/discharge power in an energy storage system including a plurality of battery racks, may comprise: a first DC/DC converter which is selectively connected to one of the plurality of bat...

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Bibliographische Detailangaben
1. Verfasser:	KIM, Jongcheol
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BASIC ELECTRIC ELEMENTS CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY SYSTEMS FOR STORING ELECTRIC ENERGY
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Beschreibung
Zusammenfassung:	A power control device according to an embodiment of the present invention, which is a device for controlling charge/discharge power in an energy storage system including a plurality of battery racks, may comprise: a first DC/DC converter which is selectively connected to one of the plurality of battery racks to perform power conversion; a second DC/DC converter which is connected to the first DC/DC converter; and a controller which, while switching between the battery racks is performed by the first DC/DC converter, controls the second DC/DC converter to perform an operation for maintaining the output of the first DC/DC converter.