Pso-Based Super-Twisting Sliding Mode Controller Mppt Algorithm Design For Pitch Angle Control Of Wind Turbine Based Pmsg

Abstract

Wind Turbine System Has Gained Significance In Nearly All Engineering Domains Due To The Increased Attention Of Researchers In This Method. A Wind Turbine (WT) Transfers Kinetic Energy? From The Wind Into Mechanical Energy, Which Is Subsequently Utilized To Create Electricity. WT ?Systems Are Highly Nonlinear, Unstable, And Complicated, With Frequent Unpredictable Wind Speed? Fluctuations, Which Brings The Challenging Task In Maintaining The Power Output Of The Wets And? The Permanent Magnet Synchronous Generator (PMSG) Output. To Address Those Challenges, This? Thesis Proposes A Pitch Angle Control Scheme Based On The PMSG To Regulate Output Power And? Maintains Mechanical Or Rotor Speed Under Variable Speed WT. The Imbalance Of The Power Might? Cause Deviation On The Rotor Speed From Its Nominal, Thus Maintaining The Pitch Angle By The? Deviation Of Actual Rotor Speed With Its Nominal Will Overcome These Problems. Mathematical Models Of The System Are Analyzed And Stability Of The System Is Maintained Using Lyapunov ?Theorem. This Thesis Provides Super-Twisting Sliding Mode Controller (STSMC) Designed To Track? The Error Between The Rated And The Actual Rotor Speed, It Regulates Mechanical Power And Rotor? Speed Of Wts By Adjusting The Pitch Angle Using The Actuator. The System Also Provides PI ?Controllers To Track Maximum Power Point Tracking (MPPT) By Using The Deviation Of The? Mechanical Speed Fed To Generator And The Reference Speed Which Keeps System At Rated Speed 1.5MW. The Particle Swarm Optimization (PSO) Algorithms Based For STSMC Is Applied, Parameters Of The STSMC Are Tuned Using PSO And Results Satisfactory With The Settling Time Of 0.3814 Sec With Undershoot Of 1.942% And Has Overshoot Of 19.880%. Under Constant Speed. The ?Dynamics Model And Controllers??? System Are Implemented In MATLAB/Simulink Environment. The ?Performances Of STSMC Are Conducted By Comparing To Conventional Methods SMC And PID ?Controllers Under Variable As Well As Constant Wind Speed. As A Result, The Proposed Controller? Scheme Verifies STSMC???S Superiority Over The Two Controllers Based On The Response Time Of The? System, Has Better Convergence, Less Overshoot And Settling Time And Robustness.