An energy storage battery management system (BMS) is a device or software system that manages and controls energy storage battery packs. An energy storage battery pack is a group of energy storage systems formed by connecting energy storage cells together, and a BMS is a system that monitors, controls, protects and optimizes the operation of these storage cells to improve the efficiency of the battery pack and extend battery life.
BMS can perform the following functions:
1）Battery capacity monitoring: BMS can monitor the voltage, current, temperature and other parameters of each battery and calculate the capacity of the whole battery pack in order to understand the actual usage status of the energy storage system.
2）Remote control: The BMS can remotely monitor and control the energy storage system, such as realizing the charge/discharge control and power output adjustment of the battery pack, realizing the remote shutdown, fault diagnosis and data transmission of the energy storage system, etc.
3）Fault warning and protection: BMS can monitor the operating condition of the battery pack and provide real-time feedback, as well as predict the possibility of failure, so that early warning and timely response measures can be taken. At the same time, the BMS can also realize multiple protections for the battery pack, such as overcharge, overdischarge and overtemperature, to ensure the safe and stable operation of the battery pack.
4）Optimize battery life: BMS can optimize battery efficiency and extend battery life, for example, by dynamically balancing the charging and discharging status of battery cells to reduce the loss of the whole battery pack and increase its service life.
To sum up, BMS plays an important role in the daily management and control of energy storage battery pack, which can realize the functions of fair battery distribution, maintain battery healthiness, protect battery safety and improve battery efficiency, providing a strong guarantee for the stable and efficient operation of energy storage system.