| 摘要 |
The present invention relates to a battery pack and a control method thereof. According to an aspect of the present invention, a control method of a battery pack including a slave battery management system provided in each of a plurality of battery modules and a master battery management system connected to the slave battery management system, comprises: (a) a step of confirming the number of slave battery management systems connected to the master battery management system in the master battery management system; (b) a step of acquiring a voltage value of each battery module from the slave battery management system and calculating an average voltage value Vn for the voltage values of the battery modules; (c) a step of acquiring terminal voltage Vb of the battery pack; and (d) a step of comparing the average voltage value Vn of the battery modules with the terminal voltage Vb of the battery pack and calculating the number n of battery modules connected in series of the battery modules, thereby acquiring serial connection in relation with the battery modules. |
