Map of www.windpower.org Web Site

1. Home
2. Guided Tour of Wind Energy
3. Introduction
   Wind Energy Resources
4. Where does Wind Energy Come From?
5. The Coriolis Force
6. Global Winds
7. Geostrophic Wind
8. Local Winds: Sea Breezes
9. Local Winds: Mountain Winds
10. The Energy in the Wind: Air Density and Rotor Area
11. Wind Turbines Deflect the Wind
12. The Energy in the Wind: Cube of Wind Speed
13. Wind Speed Measurement: Anemometers
14. Wind Speed Measurement in Practice
15. The Wind Rose
16. Wind Rose Plotter Programme
17. Roughness and Wind Shear
18. Wind Speed Calculator
19. Wind Shear and Escarpments
20. The Roughness Rose
21. Wind Speed Variability
22. Turbulence
23. Wind Obstacles
24. Wind Shade
25. Guide to the Wind Shade Calculator
26. Wind Shade Calculator
27. Wake Effect
28. Park Effect
29. Speed Up Effects: Tunnel Effect
30. Speed Up Effects: Hill Effect
31. Selecting a Wind Turbine Site
32. Offshore Wind Conditions
33. Wind Map of Western Europe
34. Wind Map of Denmark
    Computing Wind Turbine Energy Output
35. Describing Wind Variations: Weibull Distribution
36. Weibull Distribution Plotter Programme
37. The Average Bottle Fallacy
38. Mean (Average) Power of the Wind
39. Betz' Law
40. Power Density Function
41. Power Curve of a Wind Turbine
42. The Power Coefficient
43. Guide to the Wind Turbine Power Calculator
44. Wind Turbine Power Calculator
45. Annual Energy Output from a Wind Turbine
    How Does a Wind Turbine Work?
46. Components of a Wind Turbine
47. Aerodynamics of Wind Turbines - Lift
48. Aerodynamics of Wind Turbines - Stall and Drag
49. Adding Wind Speeds and Directions
50. Rotor Aerodynamics
51. Rotor Blades
52. Power Control of Wind Turbines
53. The Wind Turbine Yaw Mechanism
54. Wind Turbine Towers
55. Wind Turbine Generators
56. Synchronous Generators
57. Changing Generator Rotational Speed
58. Asynchronous (Induction) Generators
59. Changing the number of Generator Poles
60. Variable Slip Generators for Wind Turbines
61. Indirect Grid Connection of Wind Turbines
62. Gearboxes for Wind Turbines
63. The Electronic Wind Turbine Controller
64. Controlling Power Quality from Wind Turbines
65. Size of Wind Turbines
66. Wind Turbine Safety
67. Wind Turbine Occupational Safety
    Designing Wind Turbines
68. Basic Load Considerations
69. Wind Turbines: Horizontal or Vertical Axis Machines?
70. Wind Turbines: Upwind or Downwind?
71. Wind Turbines: How Many Blades?
72. Optimising Wind Turbines
73. Designing for Low Mechanical Noise from Wind Turbines
74. Designing for Low Aerodynamic Noise from Wind Turbines
    Manufacturing and Installing Wind Turbines
75. Manufacturing Wind Turbine Nacelles
76. Testing Wind Turbine Rotor Blades
77. Manufacturing Wind Turbine Towers
78. Welding Turbine Towers
79. Installing and Assembling Wind Turbine Towers
    Research and Development in Wind Energy
80. Research and Development in Wind Energy
81. Offshore Wind Power Research
82. Offshore Wind Turbine Foundations
83. Offshore Foundations: Traditional Concrete
84. Offshore Foundations: Gravitation + Steel
85. Offshore Foundations: Mono Pile
86. Offshore Foundations: Tripod
    Wind Turbines in the Electrical Grid
87. Wind Energy Variations
88. Seasonal Variation in Wind Energy
89. Wind Turbines and Power Quality Issues
90. Grid Connection of Offshore Wind Parks
    Wind Energy and the Environment
91. Wind Turbines in the Landscape
92. Sound from Wind Turbines
93. Measuring and Calculating Sound Levels
94. Sound Map Calculator
95. Wind Turbine Sound Calculator
96. Energy Payback Period for Wind Turbines
97. Birds and Wind Turbines
98. Birds and Offshore Wind Turbines
99. Shadow Casting from Wind Turbines
100. Calculating Shadows from Wind Turbines
101. Refining shadow calculations for Wind Turbines
102. Shadow Variations from Wind Turbines
103. Guide to the Wind Turbine Shadow Calculator
104. Wind Turbine Shadow Calculator
     Wind Energy Economics
105. What does a Wind Turbine Cost?
106. Installation Costs for Wind Turbines
107. Operation and Maintenance Costs
108. Income from Wind Turbines
109. Wind Energy and Electrical Tariffs
110. Basic Economics of Investment
111. Wind Energy Economics
112. Guide to the Wind Energy Economics Calculator
113. Wind Energy Economics Calculator
114. The Economics of Offshore Wind Energy
115. Wind Energy and Employment
116. Modern Wind Turbine History (Pictures)
117. The Wind Energy Pioneer: Poul la Cour
118. The Wind Energy Pioneers - 1940-1950
119. The Wind Energy Pioneers - The Gedser Wind Turbine
120. Wind Turbines From the 1980s
121. The California Wind Rush
122. Modern Wind Turbines
123. Offshore Wind Turbines
124. Megawatt-Sized Wind Turbines
125. Multi-Megawatt Wind Turbines
126. Frequently Asked Questions About Wind Energy
127. FAQs Chinese Version (Introduction)
128. FAQs Chinese Version - page 1
129. FAQs Chinese Version - page 2
130. FAQs Chinese Version - page 3
131. FAQs Chinese Version - page 4
132. FAQs Chinese Version - page 5
133. FAQs Chinese Version - page 6
134. FAQs Chinese Version - page 7
135. FAQs Chinese Version - page 8
136. Quiz on Wind Energy
137. Manufacturers
138. Articles
139. Danish Wind Turbines: An Industrial Success Story - by Soren Krohn
140. The Wind Turbine Market in Denmark - by Soren Krohn
141. Offshore Wind Energy: Full Speed Ahead - by Soren Krohn
142. Danish Wind Energy Co-operatives part 1 - by Flemming Tranaes
143. Danish Wind Energy Co-operatives part 2 - by Flemming Tranaes
144. Public Attitudes Towards Wind Power - by Steffen Damborg & Soren Krohn
145. Green Certificates in Denmark: The Litmus Test - by Christian Kjær
146. Publications (8 publications to download)
147. Wind Energy News
148. Building Gravity Foundations for Offshore Wind Turbines (QuickTime Video) NEW
149. Web Cam: Offshore Wind Farm Construction, Middelgrunden, Denmark NEW
150. Images from Web Cam1: Offshore Wind Farm at Middelgrunden, Denmark NEW
151. Images from Web Cam2: Offshore Wind Farm at Middelgrunden, Denmark NEW
152. Danish Wind Energy in 1999 - Statistics NEW
153. New EU Directive on Electricity from Renewables
154. WINDPOWER Statistics
155. Wind Energy News Archives 1998
156. Wind Energy News Archives 1997
157. Mailing List
158. Find (Site Search Engine)
159. Links
160. About Us
161. Map to Find Our Office 1 : 15 000
162. Map to Find Our Office 1 : 7 500
163. Closeup of our Office
164. Reference Manual
165. Wind Energy Concepts
166. Energy and Power Definitions
167. Proof of Betz' Law
168. Wind Energy Acoustics
169. Wind Energy and Electricity
170. Three Phase Alternating Current
171. Connecting to Three Phase Alternating Current
172. Electromagnetism Part 1
173. Electromagnetism Part 2
174. Induction Part 1
175. Induction Part 2
176. Wind Energy, Environment, and Fuels
177. Wind Energy Bibliography
178. Wind Energy Glossary
179. Map & Guide
180. Map of www.windpower.org Web Site
181. Download the www.windpower.org Web Site
182. Copyright Notice