Battery energy storage technology plays an indispensable role in new energy, carbon neutralization and national sustainable development. The monitoring and management system of battery energy storage is the key part of battery energy storage technology. This paper proposes a monitoring and management system for battery energy storage, which can monitor the voltage and temperature of the battery in real time through the visual man-machine interface, support authority management, support protection and control actions such as battery access and connection, regularly count and analyze battery performance indicators, support 61850 background monitoring and support PCs for power conversion. Through the practice of network connection experiment in many substations, it is proved that the system can significantly improve the management efficiency of battery energy storage, improve man-machine friendliness  and safety, reduce maintenance cost.
 

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