This book covers wind energy system types, operation, modeling, analysis, integration, and control. Featuring numerous models, illustrations, examples, and exercises, the text explains the aerodynamic theories that govern the operation of wind turbines, highlights the differences between the most common types of wind turbines, analyzes the main power electronic circuits used in wind energy, details the electrical generators from the basic principle of induced voltage to the steady-state and dynamic models, and discusses the main integration challenges of wind energy systems with electric utility systems.