This book presents the design and operation of DC wind systems and their integration into power grids. The chapters give an in-depth discussion on turbine conversion systems that have been adapted for DC grids and address characteristics of wind turbines when converting kinetic wind energy to electrical energy, components associated with DC systems, and the design and analysis of DC grids. Additionally, the performance of medium voltage DC (MVDC) array grid and high voltage DC (HVDC) transmission grid connected via an offshore substation with DC/DC converters are also addressed. The book examines multiphase hybrid excitation generator systems for wind turbines and discusses its design and operation for all DC systems. The book provides an insight into the state-of-the-art technological advancements for existing and futuristic wind generation schemes, and provides materials that will allow students, researchers, academics, and practicing engineers to learn, expand and complement their expertise.

This book provides technological and socio-economic coverage of renewable energy. It discusses wind power technologies, solar photovoltaic technologies, large-scale energy storage technologies, and ancillary power systems. In this new edition, the book addresses advancements that have been made in renewable energy: grid-connected power plants, power electronics converters, and multi-phase conversion systems. The text has been revised to include up-to-date material, statistics, and current technology trends. Three new chapters have been added to cover turbine generators, AC and DC wind systems, and recent advances solar power conversion. Discusses additional renewable energy sources, such as ocean, special turbines, etc. Covers system integration for solar and wind energy Presents emerging DC wind systems Includes coverage on turbine generators Updated sections on solar power conversion It offers students, practicing engineers, and researchers a comprehensive look at wind and solar power technologies. It is designed as a reference and can serve as a textbook for senior undergraduates in a one-semester course on renewable power or energy systems.

This exploration of the technical progress of wind energy conversion systems also examines potential future trends and includes recently developed systems such as those for multi-converter operation of variable-speed wind generators and lightning protection.

1. The development of wind converters. 1.1. Nature and origin of the wind. 1.2. Development of wind converters -- 2. Theory of wind converters. 2.1. Power and energy basis of wind converters. 2.2. Theoretical power available in the wind. 2.3. Theoretical maximum power extractable from the wind. 2.4. Practical Power Extractable from theWind. 2.5. Mechanical features of wind machines. 2.6. Fixed rotational speed or variable rotational speed?. 2.7. Efficiency considerations of wind-powered electricity generation. 2.8. Worked numerical examples on wind-turbine operation. 2.9. Problems and review questions -- 3. Past and present wind-energy turbines. 3.1. Nineteenth-century windmills. 3.2. Early twentieth-century wind-energy turbines. 3.3. Later twentieth-century wind-energy turbines. 3.4. Modern large wind power installations. 3.5. Worked numerical example. 3.6. Vertical axis wind machines -- 4. The location and siting of wind turbines. 4.1. The availability of wind supply. 4.2. Statistical representation of wind speed. 4.3. Choice of wind turbine sites. 4.4. Effects of the site terrain. 4.5. Spacing effects of wind farm arrays. 4.6. Problems and review questions -- 5. Power flow in electrical transmission and distribution systems. 5.1. Basic forms of power transmission networks. 5.2. Current and voltage relationships. 5.3. Power relationships in sinusoidal circuits. 5.4. Complex power. 5.5. Real power flow and reactive power flow in electrical power systems -- 6. Electrical generator machines in wind-energy systems. 6.1. DC generators. 6.2. AC generators. 6.3. Synchronous machine generators. 6.4. Three-phase induction machine. 6.5. Analysis of induction generator in terms of complex vector representation. 6.6. Switched reluctance machines. 6.7. What form of generator is the best choice for wind generation systems? -- 7. Power electronic converters in wind-energy systems. 7.1. Types of semiconductor switching converters. 7.2. Three-phase controlled bridge rectifier. 7.3. Three-phase controlled bridge inverter feeding an infinite bus. 7.4. The effect of AC system reactance on inverter operation. 7.5. Three-phase cycloconverter feeding an infinite bus. 7.6. Matrix converter feeding an infinite bus. 7.7. Worked numerical examples. 7.8. Commonly used forms of power electronic drive in wind-energy systems. 7.9. Problems and review questions -- 8. Integrating wind power generation into an electrical power system. 8.1. Electricity distribution systems. 8.2. Issues for consideration concerning the integration of wind-energy generation into an electric power system. 8.3. The effect of integrated wind generation on steady-state system voltages. 8.4. The effect of integrated wind generation on dynamic and transient system voltages -- 9. Environmental aspects of wind energy. 9.1. Reduction of emissions. 9.2. Effluents due to coal burning. 9.3. Wind turbine noise. 9.4. Electromagnetic interference from wind turbines. 9.5. Effect of a wind turbine on wildlife. 9.6. Visual impact of wind turbines. 9.7. Safety aspects of wind-turbine operation -- 10. Economic aspects of wind power. 10.1. Investment aspects of wind-powered electricity generation. 10.2. Comparative costs of generating electricity from different fuel sources

The book presents the latest power conversion and control technology in modern wind energy systems. It has nine chapters, covering technology overview and market survey, electric generators and modeling, power converters and modulation techniques, wind turbine characteristics and configurations, and control schemes for fixed- and variable-speed wind energy systems. The book also provides in-depth steady-state and dynamic analysis of squirrel cage induction generator, doubly fed induction generator, and synchronous generator based wind energy systems. To illustrate the key concepts and help the reader tackle real-world issues, the book contains more than 30 case studies and 100 solved problems in addition to simulations and experiments. The book serves as a comprehensive reference for academic researchers and practicing engineers. It can also be used as a textbook for graduate students and final year undergraduate students.

The search for clean, renewable energy sources has yielded enormous growth and new developments in these technologies in a few short years, driving down costs and encouraging utilities in many nations, both developed and developing, to add and expand wind and solar power capacity. The first, best-selling edition of Wind and Solar Power Systems prov

Wind Energy Conversion System covers the technological progress of wind energy conversion systems, along with potential future trends. It includes recently developed wind energy conversion systems such as multi-converter operation of variable-speed wind generators, lightning protection schemes, voltage flicker mitigation and prediction schemes for advanced control of wind generators. Modeling and control strategies of variable speed wind generators are discussed, together with the frequency converter topologies suitable for grid integration. Wind Energy Conversion System also describes offshore farm technologies including multi-terminal topology and space-based wind observation schemes, as well as both AC and DC based wind farm topologies. The stability and reliability of wind farms are discussed, and grid integration issues are examined in the context of the most recent industry guidelines. Wind power smoothing, one of the big challenges for transmission system operators, is a particular focus. Fault ride through and frequency fluctuation mitigation using energy storage options are also covered. Efficiency analyses are presented for different types of commercially available wind turbine generator systems, large scale wind generators using superconducting material, and the integration of offshore wind and marine current farms. Each chapter is written by a leader in the wind energy arena, making Wind Energy Conversion System a valuable reference for researchers and students of wind energy.

Wind power is currently considered as the fastest growing energy resource in the world. Technological advances and government subsidies have contributed in the rapid rise of Wind power systems. The Handbook on Wind Power Systems provides an overview on several aspects of wind power systems and is divided into four sections: optimization problems in wind power generation, grid integration of wind power systems, modeling, control and maintenance of wind facilities and innovative wind energy generation. The chapters are contributed by experts working on different aspects of wind energy generation and conversion.