Patent ID: 8818592
Filing Date: 2014-08-26
Classification: B60L,H02J,Y02T

Abstract:
1. A method of controlling a supercapacitor energy storage unit ( 12 ) in a motor vehicle having a heat engine and a micro-hybrid system comprising an electrical rotating machine configured to operate in modes of operation including an alternator mode, a starter mode allowing an automatic stop-restart function of the vehicle heat engine, a regenerative braking mode and a torque assistance mode, said energy storage unit ( 12 ) comprising a plurality of supercapacitor elementary cells connected in series (C 1 to C 10 ) and delivering information on an internal status thereof, said method comprising the steps of: obtaining a temperature (Temp) of said energy storage unit ( comparing said temperature (Temp) of said energy storage unit ( prohibiting at least one of said modes of operation of said electrical rotating machine when said temperature (Temp) reaches said at least one temperature threshold.