LQR and Observer based controller design performance analysis of the wind energy system based on induction generator

Abstract

Pakistan is currently amid an energy crisis and the same is to be expected to be in future coming years. Renewable energies have played an important role in overcoming energy crises. Besides all renewable energy resources, wind energy is the most well-known source for power generation and it offers enormous benefits such as it is clean, naturally cordial, and financially practicality sustainable power source asset. This manuscript presents a novel application of LQR/observer-based controller that will provide a robust analysis of the wind energy conversion system (WECS) to get efficient production of wind energy from available resources. The proposed design scheme uses the squirrel cage induction generator. The linear quadratic regulator controller implements a full-state observer for estimation of state variables. Furthermore, in this research study the control strategy is used to linearize the non-linear wind energy conversion system (WECS) through feedback linearization techniques by regulating voltage and frequency Induction Machine). The validity of the LQR controller based scheme is verified by the simulation results which are performed using MATLAB tool.