Onshore and Offshore Wind Energy
John Wiley & Sons Inc (Verlag)
978-0-470-97608-1 (ISBN)
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A highly accessible and authoritative account of wind energy’s scientific background, current technology, and international status, with an emphasis on large turbines and wind farms, both onshore and offshore Topics covered include:
a brief history of wind energy
the nature of the wind
turbine aerodynamics, mechanics, and electrics
wind farms
offshore opportunities and challenges
grid integration of wind energy
economic and environmental aspects
Whilst intellectually rigorous, this is not an academic treatise. Key equations are fully discussed, providing essential theoretical background. The text is supported by copious illustrations and about 50 inspiring full-colour photographs from around the world.
This book is aimed at a wide readership including professionals, policy makers and employees in the energy sector in need of a basic appreciation of the underlying principles of wind energy or a quick update. Its style and level will also appeal to second and third year undergraduate and postgraduate students of renewable and wind energy, energy systems and electrical/electronic engineering. It also gives a concise account of the technology for the large and growing number of people who are interested in onshore and offshore wind farms and the contribution they are making to carbon-free electricity generation in the 21st century.
PAUL A. LYNN obtained his B.Sc.(Eng) and Ph.D. degrees from Imperial College London, UK. After several years in the electrical/electronics industry, he lectured at Imperial College and the University of Bristol. As a retired academic, Dr. Lynn's long-term interest in renewable energy has led to a trilogy of Wiley books (including this one), and three solar-powered boats. He is the author of ten other books and numerous technical papers and articles.
Preface ix Acknowledgements xi
1. Introduction 1
1.1 Wind energy and Planet Earth 1
1.2 Winds of the world 5
1.3 From windmills to wind turbines 9
1.4 Power, energy and performance 17
1.5 Coming up to date 24
References 29
2. Capturing the wind 31
2.1 Wind speed and power 31
2.2 Wild wind 37
2.2.1 Introductory 37
2.2.2 Wind statistics 40
2.2.3 Mapping and forecasting 49
2.3 Predicting turbine output 57
References 61
3. Wind turbines 63
3.1 Turbine types and sizes 63
3.2 Aerodynamics 69
3.2.1 Rotor effi ciency and the Betz Limit 69
3.2.2 Lift and drag 72
3.2.3 Rotor speed 80
3.2.4 Rotor blades 87
3.2.4.1 Choosing airfoils 87
3.2.4.2 Stall and pitch control 90
3.3 Mechanics 94
3.3.1 Gearboxes 94
3.3.2 Towers 97
3.3.3 Vibration and fatigue 98
3.4 Electrics 107
3.4.1 AC electricity 107
3.4.2 Generators 116
3.4.2.1 Introductory 116
3.4.2.2 Synchronous generators 122
3.4.2.3 Asynchronous generators 128
3.4.2.3.1 Squirrel-cage and wound-rotor induction machines 128
3.4.2.3.2 Doubly-fed induction generators 133
3.5 Turbine control 138
3.6 Onshore wind farms 143
3.6.1 Introductory 143
3.6.2 Siting and spacing 146
3.6.3 Monitoring and control 150
References 152
4. Moving offshore 153
4.1 Introductory 153
4.2 Wind and waves 157
4.3 Turbines and foundations 161
4.4 Offshore wind farms 166
4.4.1 Case study: Horns Rev 2 166
4.4.2 Case study: London Array 170
4.5 Bringing the power ashore 173
References 177
5. Grid integration 179
5.1 Setting the scene 179
5.2 Connecting to the grid 182
5.2.1 Grid strength and fault levels 182
5.2.2 Electrical quality 186
5.3 Large-scale wind power 190
5.3.1 Introductory 190
5.3.2 Intermittency and variability 191
5.3.3 Capacity credit and backup generation 194
References 198
6. Economics and the environment 199
6.1 Wind energy economics 199
6.1.1 Capital and installation costs 199
6.1.2 Operation, maintenance and cash fl ow 202
6.2 Environmental aspects 204
6.2.1 Introductory 204
6.2.2 Landscape and amenity 207
6.2.3 Birds, bats and farming 211
6.2.4 Seabirds, fi sh and marine conservation 216
References 218
Index 219
| Erscheint lt. Verlag | 12.12.2011 |
|---|---|
| Verlagsort | New York |
| Sprache | englisch |
| Maße | 158 x 236 mm |
| Gewicht | 508 g |
| Themenwelt | Technik ► Elektrotechnik / Energietechnik |
| ISBN-10 | 0-470-97608-X / 047097608X |
| ISBN-13 | 978-0-470-97608-1 / 9780470976081 |
| Zustand | Neuware |
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