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Wind Power Generation and Wind Turbine Design
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Fler böcker av Wei Tong
Mechanical Design of Electric Motors
Rapid increases in energy consumption and emphasis on environmental protection have posed challenges for the motor industry, as has the design and manufacture of highly efficient, reliable, cost-effective, energy-saving, quiet, precisely controlle...
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Dr. Wei TONG is chief engineer in the Kollmorgen Motors and Drives unit of the Danaher Corporation. He also serves as an Adjunct Professor at Virginia Polytechnic Institute and State University. A Fellow of the American Society of Mechanical Engineers and a registered professional engineer in the state of Virginia, Dr. Tong received the G E Power Award for 5 consecutive years, from 1999-2003 and received the Kollmorgen Prize Award in 2008.
Wind Power Generation and Wind Turbine Design TABLE OF CONTENTS Chapter 1 Fundamentals of Wind Energy Wind energy: Wind generation -Uneven solar heating, Coriolis force, Local geography History of wind energy applications - Sailing, Wind in metal smelting processes, Windmills, Wind turbines, Kites: Wind energy characteristics - Wind power - Blade swept area, Air density ,Wind power density:Wind characteristics - Wind speed, Weibull distribution, Wind turbulence, Wind gust, Wind direction, Wind shear:Modern wind turbines - Wind turbine classification - Horizontal-axis and vertical-axis wind turbines, Upwind and downwind wind turbines, Wind turbine capacity, Direct drive and geared drive wind turbines, On-grid and off-grid wind turbines, Onshore and offshore wind turbines:Wind turbine configuration:Wind power parameters - Power coefficient, Total power conversion coefficient and effective power output, Lanchester-Bets limit - Power curve, Tip speed ratio, Wind turbine capacity factor Wind turbine controls - Pitch control, Stall control, Yaw control, Other control approaches Challenges in wind power generation - Environmental impacts, Wind turbine noise, Integration of wind power into grid, Thermal management of wind turbines, Wind energy storage, Wind turbine lifetime, Cost of electricity from wind power: Trends in wind turbine developments and wind power generation - High-power, large-capacity wind turbine, Offshore wind turbine, Direct drive wind turbine, High efficient blade, Floating wind turbine, Wind turbine with contra-rotating rotors, Drivetrain, Integration of wind and other energy sources - Wind-solar hybrid system, Wind-hydro hybrid system, Wind-hydrogen system, Wind-diesel power generation system Chapter 2 Wind Resource and Site Assessment Initial site identification: Wind speed measurements - Introduction, Instruments - General, Cup anemometer, Ultrasonic anemometer, Propeller anemometer, Remote sensing - Calibration, Mounting, Measurement period and averaging time:Data analysis - Long-term correction - Introduction, Regression method, Energy index method - Weibull distribution Spatial extrapolation - Introduction, Vertical extrapolation - Introduction, Influence of roughness, Influence of atmospheric stability, Influence of orography, Influence of obstacles, Flow models - General, WasP: Siting and site suitability: Site classification: Energy yield and losses Chapter 3 Aerodynamics and Aeroelastics of Wind Turbines Initial site identification: Analytical theories - Blade element theories, Optimum blade shape Numerical CFD methods applied to wind turbine flow: Experiments - Field rotor aerodynamics, NREL unseady aerodynamic experiments in the NASA Ames wind tunnel, MWXICO: Aeroelastics - Generalities, Tasks of aeroelasticity, Instructive example: the Baltic thunder: Impact on commercial system - Small wind turbines, Main-stream wind turbines, Multi MW turbines:Non-standard wind turbines - Vertical axis wind turbines, Diffuser systems Chapter 4 Structural Dynamics of Wind Turbines Wind turbines from a structural stand point: Formulation of the dynamic equations: Beam theory and FEM approximations - Basic assumptions and equation derivation, Principle of virtual work and FE approximations:Multi-component systems - Reformulation of the dynamic equations, Connection conditions, Implementation issues, Eigenvalue analysis and linear stability: Aeroelastic coupling: Rotor stability analysis: More advanced modeling issues - Timoshenko beam model, 2nd order beam models: Structural analysis and engineering practice - Modes at stand still, Dynamic simulations, Stability assessment Chapter 5 Wind Turbine Aeroacoustics What is noise?: Are wind turbines really noise?:Definitions:Wind turbine noise - Generation - Mechanical noise, Aerodynamic noise - Propagation, Immission, Wind turbine noise regulations:Wind turbine noise measurements - On-site measurements - Ground board, Acoustic parabola, Proximity microphone, Acoustic