Abstract:
In order to realize the power generation control strategy of Dual winding induction Generator system (DWIG) which is simple and easy to adjust, with superior performance and strong load adaptability, this paper proposes an AC-DC voltage control strategy based on linear active disturbance rejection controller for AC-DC integrated power generation system of DWIG. Through the establishment of AC voltage and DC voltage transfer function model of the power winding and control winding, this paper builds the AC/DC voltage linear extended state observer. The effective value of AC voltage, DC voltage and voltage disturbance are observed, and used in linear error feedback control law to control the AC/DC voltage. Finally, the simulation and experiment verify that the control strategy not only improves the ability of voltage disturbance suppression and load adaptability, but also the parameters of each module can be designed independently and the controller structure is simple, which avoids the need of more sensors and the difficulty of parameter adjustment.