Protective circuit for a battery pack

The circuit has lithium ion cells (4) that are connected in series (A-D) through cell connectors (Z0a-Z10a,Z0b-Z10b,Z0c-Z10c,Z0d-Z10d). The compensation lines (L1a-L10a,L1b-L10b,L1c-L10c,L1d-Ld10) are provided for electrically interconnecting the cell connectors of different rows. The potential (U1r...

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Bibliographische Detailangaben
Hauptverfasser:	Gaul, Henrik, Liebhard, Gernot
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BASIC ELECTRIC ELEMENTS CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS GENERATION MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY TESTING
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Beschreibung
Zusammenfassung:	The circuit has lithium ion cells (4) that are connected in series (A-D) through cell connectors (Z0a-Z10a,Z0b-Z10b,Z0c-Z10c,Z0d-Z10d). The compensation lines (L1a-L10a,L1b-L10b,L1c-L10c,L1d-Ld10) are provided for electrically interconnecting the cell connectors of different rows. The potential (U1r-U10r) of cell connector connected to compensation line of cell rows, and the potential (U1l-U10l) of corresponding cell connector connected to compensation line of other parallel cell row are detected. The detected potentials are output to evaluation unit (10).