Patent ID: 11866048
Assignee: VOLVO CAR CORPORATION
Field: Transport (Mechanical engineering)
Classification: CPC B  Y | IPC B

Claim 17:
18. The battery electric vehicle of claim 17, wherein the safety system is adapted for controlling the BMS to switch to the disconnect mode in case of one or more of:
one or two cells of the battery system are detected to operate at the voltage outside of the predetermined rated voltage range but within the predetermined safety margin thereof, for less than the first predetermined amount of time; and one or more battery cells of the battery system is detected to be at the temperature between −40° C. and 10° C. for less than the second predetermined amount of time;
any of the cells of the of the battery system is detected to operate for more than the first predetermined amount of time at the voltage outside of the predetermined rated voltage range but within the predetermined safety margin thereof;
any of the cells of the battery system is detected to operate with a voltage outside of the predetermined safety margin;
one or more battery cells of the battery system is detected to be at the temperature of between −40° C. and 10° C. for more than said second predetermined amount of time; or
one or more battery cells of the battery system is detected to be at a temperature below −40° C.