| Preface | p. VII |
| Introduction | p. 1 |
| History of wind energy | p. 3 |
| Current status and future prospects | p. 7 |
| References | p. 8 |
| Basics of Wind Energy Conversion | p. 11 |
| Power available in the wind spectra | p. 11 |
| Wind turbine power and torque | p. 14 |
| Classification of wind turbines | p. 16 |
| Horizontal axis wind turbines | p. 17 |
| Vertical axis wind turbines | p. 18 |
| Darrieus rotor | p. 19 |
| Savonius rotor | p. 20 |
| Musgrove rotor | p. 21 |
| Characteristics of wind rotors | p. 22 |
| Aerodynamics of wind turbines | p. 23 |
| Airfoil | p. 23 |
| Aerodynamic theories | p. 27 |
| Axial momentum theory | p. 27 |
| Blade element theory | p. 31 |
| Strip theory | p. 33 |
| Rotor design | p. 34 |
| Rotor performance | p. 40 |
| References | p. 42 |
| Analysis of wind regimes | p. 45 |
| The wind | p. 46 |
| Local effects | p. 47 |
| Wind shear | p. 47 |
| Turbulence | p. 50 |
| Acceleration effect | p. 51 |
| Time variation | p. 51 |
| Measurement of wind | p. 53 |
| Ecological indicators | p. 53 |
| Anemometers | p. 55 |
| Cup anemometer | p. 55 |
| Propeller anemometer | p. 56 |
| Pressure plate anemometer | p. 56 |
| Pressure tube anemometers | p. 57 |
| Sonic anemometer | p. 58 |
| Wind direction | p. 61 |
| Analysis of wind data | p. 61 |
| Average wind speed | p. 63 |
| Distribution of wind velocity | p. 64 |
| Statistical models for wind data analysis | p. 68 |
| Weibull distribution | p. 68 |
| Rayleigh distribution | p. 78 |
| Energy estimation of wind regimes | p. 80 |
| Weibull based approach | p. 80 |
| Rayleigh based approach | p. 84 |
| References | p. 88 |
| Wind energy conversion systems | p. 89 |
| Wind electric generators | p. 90 |
| Tower | p. 91 |
| Rotor | p. 96 |
| Gearbox | p. 99 |
| Power regulation | p. 101 |
| Safety brakes | p. 105 |
| Generator | p. 107 |
| Induction generator | p. 107 |
| Synchronous generator | p. 110 |
| Fixed and variable speed operations | p. 112 |
| Grid integration | p. 115 |
| Wind farms | p. 117 |
| Offshore wind farms | p. 121 |
| Wind pumps | p. 124 |
| Wind powered piston pumps | p. 126 |
| Limitations of wind driven piston pumps | p. 129 |
| The hysteresis effect | p. 129 |
| Mismatch between the rotor and pump characteristics | p. 132 |
| Dynamic loading of the pump's lift rod | p. 133 |
| Double acting pump | p. 134 |
| Wind driven roto-dynamic pumps | p. 135 |
| Wind electric pumps | p. 140 |
| References | p. 142 |
| Performance of wind energy conversion systems | p. 145 |
| Power curve of the wind turbine | p. 146 |
| Energy generated by the wind turbine | p. 150 |
| Weibull based approach | p. 150 |
| Rayleigh based approach | p. 153 |
| Capacity factor | p. 155 |
| Matching the turbine with wind regime | p. 159 |
| Performance of wind powered pumping systems | p. 164 |
| Wind driven piston pumps | p. 164 |
| Wind driven roto-dynamic pumps | p. 171 |
| Wind electric pumping systems | p. 175 |
| References | p. 177 |
| Wind energy and Environment | p. 179 |
| Environmental benefits of wind energy | p. 180 |
| Life cycle analysis | p. 182 |
| Net energy analysis | p. 185 |
| Life cycle emission | p. 189 |
| Environmental problems of wind energy | p. 193 |
| Avian issues | p. 193 |
| Noise emission | p. 196 |
| Visual impact | p. 202 |
| References | p. 205 |
| Economics of wind energy | p. 209 |
| Factors influencing the wind energy economics | p. 210 |
| Site specific factors | p. 210 |
| Machine parameters | p. 212 |
| Energy market | p. 213 |
| Incentives and exemptions | p. 214 |
| The 'present worth' approach | p. 215 |
| Cost of wind energy | p. 220 |
| Initial investment | p. 221 |
| Operation and maintenance costs | p. 222 |
| Present value of annual costs | p. 223 |
| Benefits of wind energy | p. 225 |
| Yardsticks of economic merit | p. 227 |
| Net present value | p. 227 |
| Benefit cost ratio | p. 228 |
| Pay back period | p. 229 |
| Internal rate of return | p. 230 |
| Tax deduction due to investment depreciation | p. 233 |
| References | p. 236 |
| Appendix | p. 237 |
| Index | p. 241 |
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