The operation stability of induction motor is improved under low speed power generation condition

In addressing the issue of poor stability and susceptibility to load conditions during low-speed power generation operation of induction motors, this study explores methods to enhance the stability of induction motor operation under low-speed power generation conditions. The design of a feedback matrix is employed to ensure speed stability during low-speed power generation, incorporating a load torque observer to monitor the load status. Additionally, a feedforward compensation element is introduced to improve the system's dynamic response and disturbance rejection capabilities. This approach resolves the instability problem in the speed control system of induction motors when operating at low speeds, especially when the load torque is unknown and varies.