Novel electric power system stable control device

The utility model discloses a novel electric power system stable control device, including variable speed constant frequency double -fed energy storage motor, exchange excitation power source and computer excitation control system, variable speed constant frequency double -fed energy storage motor includes stator and rotor, stator lug connection has an electric wire netting, has a converter at the rotor side -mounting, the rotor is connected with interchange excitation power source, it passes through electric wire netting direct power feeding to exchange excitation power source, computer excitation control system includes bottom layer control ware, middle level controller and upper layer control ware, the bottom layer control ware with exchange excitation power source, just the bottom layer control ware is connected with the middle level controller, the middle level controller is connected with the upper layer control ware, utilizes energy storage technology to carry out electric power system stable control,