DEVICE AND METHOD FOR PERFORMING A STATE OF HEALTH ESTIMATION

Techniques suitable for performing a State of Health estimation for a rechargeable battery energy storage system during operation of the rechargeable battery energy storage system are disclosed. The rechargeable battery energy storage system comprises a plurality of parallel strings (21-23) that are...

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Bibliographische Detailangaben
Hauptverfasser:	Pjetri, Erald, Oudalov, Alexandre, Chartouni, Daniel, Poland, Jan, Ottewill, James
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS TESTING
Online-Zugang:	Volltext bestellen
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Beschreibung
Zusammenfassung:	Techniques suitable for performing a State of Health estimation for a rechargeable battery energy storage system during operation of the rechargeable battery energy storage system are disclosed. The rechargeable battery energy storage system comprises a plurality of parallel strings (21-23) that are individually controllable. At least one string from the plurality of parallel strings (21-23) is selected. The selected at least one string is placed into a SoH calibration mode for performing a SoH calibration while concurrently at least one other string of the plurality of parallel strings (21-23) is maintained in operative mode. The selected at least one string is caused to return to operative mode after the SoH calibration has been completed for the selected at least one string.