AN ELECTRIC-VEHICLE BATTERY SYSTEM COMPRISING A REAL TIME CLOCK

the present disclosure refers to an electric-vehicle battery system comprising:a high voltage system, HV system, with a plurality of connected rechargeable battery cells;a low voltage system, LV system, with an operating voltage lower than an operating voltage of the HV system, wherein the LV system...

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Bibliographische Detailangaben
Hauptverfasser:	Duller, Kurt, Trathnigg, Thomas, Mandic, Renato, Schmiedhofer, Christoph, Hofer, Maximilian, Damir, Kovac
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 present disclosure refers to an electric-vehicle battery system comprising:a high voltage system, HV system, with a plurality of connected rechargeable battery cells;a low voltage system, LV system, with an operating voltage lower than an operating voltage of the HV system, wherein the LV system supplies a battery system manager, BSM:a real time clock, RTC, configured for providing a system time to the BSM; anda battery disconnect unit, BDU, comprising BDU relays to switchably open or close an HV line of the HV system and a BDU control unit adapted to control the BDU relays, wherein the BDU is adapted to exchange data with the BSM via a communication interface.The RTC is integrated into the BDU and the BDU is adapted such that the RTC is at least temporarily powered by the HV system.