ENERGY STORAGE SYSTEM AND METHOD FOR CONTROLLING GROUNDING STRUCTURE OF ENERGY STORAGE SYSTEM

An energy storage system, including a photovoltaic (PV) system and a battery system and connected with a power grid, may comprise a power conversion system (PCS) configured to be connected with the power grid and selectively connected to at least one of the photovoltaic system and the battery system...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	KIM, Jongcheol, JO, Hyeungil, JUNG, Inho, MUN, Byeongho
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS SYSTEMS FOR STORING ELECTRIC ENERGY TESTING
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Beschreibung
Zusammenfassung:	An energy storage system, including a photovoltaic (PV) system and a battery system and connected with a power grid, may comprise a power conversion system (PCS) configured to be connected with the power grid and selectively connected to at least one of the photovoltaic system and the battery system; a first switch selectively connecting the photovoltaic system and a direct current (DC) link of the power conversion system; a second switch selectively connecting the battery system and a DC link of the power conversion system; and a controller configured to control a ground structure of at least one of the photovoltaic system, the battery system, and the power conversion system by controlling the first switch and the second switch based on a state of the photovoltaic system and a state of the battery system.