New energy power system small interference stable state emergency control method

The invention relates to the technical field of new energy power system control methods, in particular to a new energy power system small interference stable state emergency control method, which comprises a battery energy storage system, and the battery energy storage system comprises a battery subsystem and a power conversion subsystem. According to the emergency control method for the small-interference stable state of the new energy power system, the energy storage system is arranged, the energy storage system has the power supply capacity and the power storage capacity, the power adjusting speed is high, the adjusting range is large, and the method plays a great role in the aspects of smoothing intermittent energy power fluctuation, peak clipping and valley filling, improving the voltage quality and providing a standby power supply; particularly, the excellent power regulation capability of the energy storage system is the key of the intelligent power distribution network for realizing active management