| 摘要 |
PURPOSE: A separated board for equally controlling the voltage of a battery in a battery control system is provided at various prices as being separated or coupled according to the needs. CONSTITUTION: A board (3) in a battery control system is connected to an outer battery (4). The board comprises a function of a secondary battery. The board supplies electric energy to a hybrid electric vehicle. The board (2) for equally controlling battery voltage comprises a second connector. The board for equally controlling the battery voltage regularly compensates the voltage of a battery. [Reference numerals] (AA) Start; (BB) Key on/off check; (CC,KK) ΔV deviation abnormal; (DD,LL) Cell failure; (EE,MM) Cell normal; (FF,OO) Equal release; (GG,JJ) ΔV deviation normal; (HH,NN) Equal progress; (II) End; (S110,S120) ΔV deviation check of a minimum voltage cell and a maximum voltage cell; (S130,140) Minimum/maximum voltage cell normal check; (S150,S160) Progress of cell equal control; (S170,S180) Battery failure diagnosis and processing; (S190,S200) Check cell equal release conditions (ΔV, time, voltage, temperature, current)
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