MATLAB/Simulink Modeling and Control of Two Synchronous Reluctance Generators for a Grid Connected Wind Farm

In recent times, synchronous reluctance machines (SynRMs) have gained significant attention from both researchers and industrialists due to their uncomplicated and sturdy structure, as well as their ability to operate at high speeds. They are used extensively in various applications such as the production of electrical energy, particularly renewable energy (wind energy), electric traction, water pumps, fans, and more. This article discusses the aspects of modeling, simulation, and analysis of a variable structure control scheme for a wind power production system (WPPS) utilizing two three-phase synchronous reluctance generators (SynRGs) under varying wind-speed conditions. The WPPS is connected to the grid via two back-to-back (BTB) voltage source converters (VSCs) with DC links, facilitating vector control as the chosen strategy for generator and grid side converters. Direct and quadrature components are used to precisely control active and reactive power. Additionally, a Maximum Power Point Tracking (MPPT) control strategy is employed to trace the maximal power point, which allows the WPPS to provide a voltage reference for controlling the maximum power transfer at the turbine end. Using the MATLAB/Simulink environment for simulation, the proposed system and its control strategy have an outstanding performance and efficiency, even under wind speed fluctuations. The results indicate that SynRG can effectively convert energy throughout the entire range of wind speeds that the turbine can withstand, while also having a fast dynamic response and providing the best system performance.