VEHICLE POWER SUPPLY SYSTEM WITH REDUNDANCY AND METHOD FOR CONTROLLING THE POWER SUPPLY SYSTEM

A power supply system (100) for a vehicle, the system comprising: a battery pack (102) comprising at least two parallel strings of battery cells, each string forming a battery (104a-b) having a first output voltage; a switch mechanism (106, 108) configured to connect one of the at least two batterie...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Vänerhav, Axel, Fogelberg, Fabian
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	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 SYSTEMS FOR STORING ELECTRIC ENERGY TRANSPORTING VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	A power supply system (100) for a vehicle, the system comprising: a battery pack (102) comprising at least two parallel strings of battery cells, each string forming a battery (104a-b) having a first output voltage; a switch mechanism (106, 108) configured to connect one of the at least two batteries to a first battery pack output terminal (110), wherein the first battery pack output terminal is connected to a first power consumer (112); and a multichannel DC/DC converter (114) having an input terminal (116) connected to the first battery pack output terminal, the multichannel DC/DC converter comprising a plurality of outputs (118a-d), wherein at least one of the plurality of outputs is configured to provide a second voltage, the second voltage being lower than the first voltage, and wherein the at least one output of the multichannel DC/DC converter is connected to a second power consumer (120, 122).