| 摘要 |
The present invention relates to a battery pack comprising a voltage balancing system. More specifically, provided is a battery pack which includes: a plurality of unit modules having a structure including at least one or two battery cells as a unit cell; a battery management system (BMS) monitoring and controlling an operation of the battery pack; a voltage balancing device included in the BMS and charging and discharging each unit module by means of a control signal from the BMS; and a direct current (DC/DC) converter supplying power from the unit modules to the BMS. According to the present invention, the voltage balancing system is designed to carry out a balancing operation for battery cells, by using power of the battery pack. |
