Energy storage system output control mode and control device

The invention provides an energy storage system output control mode, and the method comprises the steps: monitoring the output information of a thermal power generating unit, the output information of an energy storage system, and the operation state information after a frequency modulation instruction is received; determining the overall state of the energy storage system according to the output information of the thermal power generating unit and the output information and the operation state information of the energy storage system, and determining the correction mode and the correction amount of the energy storage system to the output of the unit; and the energy storage system is controlled according to the correction mode and the correction amount, so that the energy storage system is kept to operate in the normal operation interval. The method is used for solving the problem of excessive charging and discharging of the energy storage cell. 本发明提出一种储能系统出力控制方式，其中，方法包括：在接收到调频指令后，监控火电机组的出力信息、储能系统的出力信息和运行状态信息