BATTERY SYSTEM AND METHOD FOR PROVIDING AN INTERMEDIATE VOLTAGE

The invention relates to a battery system (10), comprising a battery module (11), which comprises a first high-voltage connection (12a), a second high-voltage connection (12b) and a multiplicity of battery cell modules (11a, . . . , 11n) which are connected in series between the first and second hig...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	TIEFENBACH, ANDY
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 ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES ELECTRICITY ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL GENERATION MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES PERFORMING OPERATIONS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY SYSTEMS FOR STORING ELECTRIC ENERGY TRANSPORTING VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	The invention relates to a battery system (10), comprising a battery module (11), which comprises a first high-voltage connection (12a), a second high-voltage connection (12b) and a multiplicity of battery cell modules (11a, . . . , 11n) which are connected in series between the first and second high-voltage connections, and a switching matrix (13). The switching matrix comprises a large number of switching rails (14), which are each connected to one of the nodes between in each case two of the battery cell modules which are connected in series, a multiplicity of first switching devices (15a), which are designed to connect in each case one of the switching rails (14) to a first low-voltage connection (13a) of the switching matrix (13), and a multiplicity of second switching devices (15b), which are designed to connect in each case one of the switching rails (14) to a second low-voltage connection (13b) of the switching matrix. In this case, a first total voltage (HV) of all of the battery cell modules (11a, . . . , 11n) which are connected in series is present between the first high-voltage connection (12a) and the second high-voltage connection (12b), and a second total voltage (LV) of some of the battery cell modules (11a, . . . , 11n) which are connected in series is present between the first low-voltage connection (13a) and the second low-voltage connection (13b), depending on the switching state of the first switching devices (15a) and the second switching devices (15b).