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Full Description
Advanced Controls for Wind Driven Doubly Fed Induction Generators discusses the most advanced control algorithms used for enhancing the dynamics of a doubly fed induction generator (DFIG) operating at fixed and variable speeds, and which are used for different utilization purposes (standalone and grid connection). Extensive generator performance analysis has been introduced using various control topologies.
Features:
Presents modeling of wind energy conversion systems (WECS), including a wind turbine as a prime mover, a DFIG as a generation unit for electrical energy, and a three-phase induction motor as an isolated load
Explores a detailed description for the presented control algorithms in order to visualize the base principle of each method
Introduces a comprehensive performance analysis for the DFIG using the formulated predictive voltage control scheme and other control techniques under different operating conditions
Examines the formulation of new control approaches which overcome the shortages present in previous DFIG control schemes
Presents a detailed comparison between different control topologies for the DFIG to outline the most effective procedure in terms of dynamic response, structure simplicity, ripples, total harmonic distortion, and computational burdens
The book is written for researchers and academics working on advanced control systems and those interested in areas such as machine drives, renewable energy systems, 'adaptive control', modeling of WECS, and optimization theory.
Contents
Introduction. Chapter 1. Literature Review. 1.1. Introduction. 1.2. Wind Driven SG. 1.3. Wind Driven IG. 1.4. Field Orientation Control (FOC) of DFIG. 1.5. Model Predictive Control (MPC) of DFIG. Chapter 2. Modeling of the Wind Energy Conversion System Components. 2.1. Mathematical Model of DFIG. 2.2. Modeling of the Wind Turbine. 2.3. Mathematical Model of the Isolated Load under Study. 2.4. Modeling of Rotor Side Converter (VSI). Chapter 3. Analyzing and Enhancing the Performance of a Standalone Variable Speed DFIG. 3.1. Control Schemes Adopted for the Standalone DFIG. 3.2. Adopted Control Scheme for the Load. 3.3. Computation Results. Chapter 4. Dynamic Performance Analysis of an Alternative Operating Regime of DFIG (Grid Connected Case). 4.1. Adopted Control Schemes for the Grid Connected DFIG. 4.2. Computation Results. Chapter 5. Conclusions and Recommendations for Future Work. 5.1. Conclusions. 5.2. Recommendations for Future Work. Appendix. References.