MATLAB-Based Doubly-Fed Induction Generator Wind Turbine System Simulation Model

The MATLAB simulation model for doubly-fed wind turbine generator systems provides extensive parameter customization capabilities for electrical machines and control subsystems. Through MATLAB's Simulink environment, users can modify key parameters such as stator/rotor resistance, mutual inductance, inertia constants, and PI controller gains via script-based configuration files (.m files) or direct block parameter editing. The model implements vector control algorithms with dq-axis decoupling and maximum power point tracking (MPPT) strategies, allowing dynamic simulation of grid connection scenarios under variable wind conditions. Users can simulate operational characteristics including torque-speed curves, active/reactive power regulation, and fault ride-through performance through customizable wind profile inputs. The modular architecture features separate subsystems for turbine aerodynamics, generator electromagnetics, power converters, and grid synchronization, with detailed masking techniques enabling parameter exposure for experimental tuning. Simulation results can be exported to MATLAB workspace for further analysis using built-in functions like FFT tools for harmonic analysis and plot() for performance visualization. This model serves as a vital platform for optimizing doubly-fed generator design, validating control strategies, and studying grid integration effects under IEC 61400-27 standards. The open structure supports integration with additional toolboxes like Simscape Electrical for higher-fidelity power system simulations.