BATTERY ENERGY STORAGE SYSTEM WITH SHORT CIRCUIT PROTECTION, AND METHOD

The invention relates to a battery energy storage system comprising a control unit (7a-c, 12a-c, 17) and a plurality of battery units (2a-c). The battery units (2a-c) are arranged in series, and each battery unit (2a-c) comprises at least one semiconductor switch (23) and at least one battery module...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	TINGLOW, FREDRIK, BACKMAN, MAGNUS, HERMANSSON, WILLY, HOSINI, FALAH, SVENSSON, JAN
Format:	Patent
Sprache:	eng ; fre
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:	The invention relates to a battery energy storage system comprising a control unit (7a-c, 12a-c, 17) and a plurality of battery units (2a-c). The battery units (2a-c) are arranged in series, and each battery unit (2a-c) comprises at least one semiconductor switch (23) and at least one battery module (22) comprising a plurality of battery cells (22). Each battery module (22) is connected in series with a respective semiconductor switch (23), and the control unit (7a-c, 12a-c, 17) is operatively connected to the at least one semiconductor switch and adapted to control the at least one semiconductor switch (23) of every battery unit (2a-c).