Energy management device and method suitable for distributed energy storage system

The invention discloses an energy management device and method suitable for a distributed energy storage system, and the device comprises a monitoring module which is in communication connection with an HMI, is in communication connection with a cloud centralized control system and a local centralized control system, and is connected with an energy storage unit of the energy storage system; the HMI provides a local monitoring operation interface, and the state data information is checked through the HMI; the monitoring module comprises a data acquisition and forwarding unit, a state monitoring and alarm unit, a strategy management verification unit, a data storage unit and a control protection unit. The monitoring module and the HMI are arranged and are installed on the energy storage unit for on-site monitoring, and sufficient convenience is provided for independent debugging, testing and troubleshooting of the battery cluster; meanwhile, the invention provides an energy management method suitable for the di