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History of Wind Power
Large Wind Systems <ul><li>Range in size from 100 kW to 2 MW </li></ul><ul><li>Provide wholesale bulk power </li></ul><ul>...
Technology Overview - Large Wind Projects <ul><li>Projects operating at greater than 35% capacity factors at good wind sit...
Cost of Energy  - Large Wind Projects 2 4 6 8 10 12 Levelized Cost of Energy (cents/kWh) 1990 1995 2005 2010 2000
Fastest Growing Energy Source in the World Global growth by energy  source,  annual average 1990-1999 Source: Worldwatch I...
Taking Off Worldwide Wind Leaders: 1. Germany 2. United States 3. Spain 4. Denmark 5. India Total (end of 2000): nearly  1...
2000: A Year for  Market Innovations <ul><li>Several companies begin selling green power certificates </li></ul><ul><li>Se...
2001: Wind Power Expected to Take Off <ul><li>US Wind Capacity expected to nearly double by the end of 2001 </li></ul><ul>...
An All American Resource Germany’s Potential:  100 GW North Dakota’s Potential:  250 GW World Class Wind Potential Rank 1 ...
 
Drag Device
Giant Brush Windmill (1887 – 1900s) <ul><li>Charles Brush  </li></ul><ul><li>Automatically operated </li></ul><ul><li>Dyna...
Earliest Use <ul><li>May be sail boats </li></ul><ul><li>Persia 500 - 900 A.D.  - Drag, Vertical Axis Device  -  Panemone ...
<ul><li>Horizontal Axis with Sail Wings </li></ul><ul><li>Higher Efficiency </li></ul><ul><li>Wooden Cogs and Ring Gears t...
<ul><li>Water Pumping Windmill  </li></ul><ul><li>Pumping water for livestock. </li></ul><ul><li>Relatively light, steel b...
Windmill with Pitch Change Mechanism
Palmer Putnam’s Windmill
Darrieus Machine  (1973) <ul><li>NASA sponsored research during oil crisis. </li></ul><ul><li>No tower and major equipment...
Early, Large Large 2 MW Machine (Early 1980s.) <ul><li>Developed by NASA. </li></ul><ul><li>Response to problem with downw...
Another Early MW Machine
Federal Wind Test Center  (1974-1981) <ul><li>Tested Small & Intermediate Wind Turbines  </li></ul><ul><li>Culled bad desi...
Danish Machines (1942) <ul><li>F.L. Smidth early designs </li></ul><ul><li>Three Blade Upwind Machine </li></ul><ul><li>Hy...
Vester Egesborg Turbine (1950s) <ul><li>Johannes Juul </li></ul><ul><li>Student of Poul La Cour </li></ul><ul><li>First ac...
Gedser Wind Turbine  (1956-1957) <ul><li>Johannes Juul </li></ul><ul><li>Electromechanical Yawing </li></ul><ul><li>Asynch...
The Riisage Turbine
Competing Turbine Engines
The Tvind 2 MW Machine
Bonus 20 KW
Danish Domination of 1990s <ul><li>Slow, steady growth in Europe & Asia </li></ul><ul><li>Mid-range machines  </li></ul><u...
Great California Wind Rush (1980s) <ul><li>Tax Credit based on installed capacity. </li></ul><ul><li>Lots of bad wind turb...
Avedore Wind Farm, Denmark
Middelgrunden Wind Farm
Tuno Knob Offshore Wind Farm
Vindeby Wind Farm
TVA History <ul><li>In 1980s </li></ul><ul><ul><li>Tested a 2 MW machine. </li></ul></ul><ul><ul><ul><li>numerous problems...
Future of Wind Power <ul><li>Expect cost to continually drop ($0.02/kwh by 2010) </li></ul><ul><ul><li>Taller towers </li>...
Future of Wind Power - continued <ul><li>AWEAs estimates 100,000 MW in USA by 2020. </li></ul><ul><li>Transport of wind po...
 
Future for the Tennessee Valley <ul><li>Taller towers </li></ul><ul><li>Self erecting towers </li></ul><ul><li>Different P...
TVA’s Plans <ul><li>RFP for wind power on Buffalo Mountain. </li></ul><ul><li>Online by December 2003. </li></ul><ul><li>P...
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History Of Wind Energy

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History Of Wind Energy

  1. 1. History of Wind Power
  2. 2. Large Wind Systems <ul><li>Range in size from 100 kW to 2 MW </li></ul><ul><li>Provide wholesale bulk power </li></ul><ul><li>Require 13 mph average wind sites </li></ul>
  3. 3. Technology Overview - Large Wind Projects <ul><li>Projects operating at greater than 35% capacity factors at good wind sites </li></ul><ul><li>Over 98-99% availability </li></ul><ul><li>Select projects are delivering power ~ 3 cents/kWh (with Production Tax Credit) </li></ul>
  4. 4. Cost of Energy - Large Wind Projects 2 4 6 8 10 12 Levelized Cost of Energy (cents/kWh) 1990 1995 2005 2010 2000
  5. 5. Fastest Growing Energy Source in the World Global growth by energy source, annual average 1990-1999 Source: Worldwatch Institute 2000
  6. 6. Taking Off Worldwide Wind Leaders: 1. Germany 2. United States 3. Spain 4. Denmark 5. India Total (end of 2000): nearly 17,000 MW Based on information supplied by International Energy Agency.
  7. 7. 2000: A Year for Market Innovations <ul><li>Several companies begin selling green power certificates </li></ul><ul><li>Several states see first large-scale wind power project: PA, NY, TN </li></ul><ul><li>Texas RPS fuels building boom </li></ul>
  8. 8. 2001: Wind Power Expected to Take Off <ul><li>US Wind Capacity expected to nearly double by the end of 2001 </li></ul><ul><li>The Northwest will see the largest US wind project to date with the Stateline Wind Farm (300 MW) </li></ul>
  9. 9. An All American Resource Germany’s Potential: 100 GW North Dakota’s Potential: 250 GW World Class Wind Potential Rank 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 State North Dakota Texas Kansas South Dakota Montana Nebraska Wyoming Oklahoma Minnesota Iowa Colorado New Mexico Idaho Michigan New York Illinois California
  10. 11. Drag Device
  11. 12. Giant Brush Windmill (1887 – 1900s) <ul><li>Charles Brush </li></ul><ul><li>Automatically operated </li></ul><ul><li>Dynamo </li></ul><ul><li>Charged batteries </li></ul><ul><li>Provided light </li></ul>
  12. 13. Earliest Use <ul><li>May be sail boats </li></ul><ul><li>Persia 500 - 900 A.D. - Drag, Vertical Axis Device - Panemone - Grain Grinding & Water Pumping </li></ul><ul><li>China 1219 A.D. - Grain Grinding & Water Pumping </li></ul><ul><li>Crete - Water pumping for livestock. </li></ul>
  13. 14. <ul><li>Horizontal Axis with Sail Wings </li></ul><ul><li>Higher Efficiency </li></ul><ul><li>Wooden Cogs and Ring Gears to Transmit Power. </li></ul>Windmills of Western World (1270 Mediterrean Coast)
  14. 15. <ul><li>Water Pumping Windmill </li></ul><ul><li>Pumping water for livestock. </li></ul><ul><li>Relatively light, steel blades with aerodynamic shape. </li></ul><ul><li>Blades hinged to fold in high winds. </li></ul><ul><li>Tail to track wind direction. </li></ul>Halladay Fan-Type Windmill (1854 in U.S.)
  15. 16. Windmill with Pitch Change Mechanism
  16. 17. Palmer Putnam’s Windmill
  17. 18. Darrieus Machine (1973) <ul><li>NASA sponsored research during oil crisis. </li></ul><ul><li>No tower and major equipment at ground level. </li></ul><ul><li>Marketed by Flo Wind </li></ul><ul><li>Failed to withstand forces during high winds </li></ul><ul><li>Never caught on. </li></ul>
  18. 19. Early, Large Large 2 MW Machine (Early 1980s.) <ul><li>Developed by NASA. </li></ul><ul><li>Response to problem with downwind machine of Ulrich Hutter. </li></ul><ul><li>Large loads. </li></ul><ul><li>Noisy. Interfered with communications. </li></ul><ul><li>Tested in Boone, NC and Hawaii. </li></ul>
  19. 20. Another Early MW Machine
  20. 21. Federal Wind Test Center (1974-1981) <ul><li>Tested Small & Intermediate Wind Turbines </li></ul><ul><li>Culled bad designs. </li></ul><ul><li>Bergie Design is spinoff. </li></ul><ul><li>UTRC's Composite, Flexbeam Rotor </li></ul><ul><li>NREL assumed control in 1989. </li></ul>
  21. 22. Danish Machines (1942) <ul><li>F.L. Smidth early designs </li></ul><ul><li>Three Blade Upwind Machine </li></ul><ul><li>Hybrid wind & diesel systems. </li></ul><ul><li>DC Generator </li></ul>
  22. 23. Vester Egesborg Turbine (1950s) <ul><li>Johannes Juul </li></ul><ul><li>Student of Poul La Cour </li></ul><ul><li>First ac machine. </li></ul>
  23. 24. Gedser Wind Turbine (1956-1957) <ul><li>Johannes Juul </li></ul><ul><li>Electromechanical Yawing </li></ul><ul><li>Asynchronous Generator </li></ul><ul><li>Stall Controlled </li></ul><ul><li>Special brakes for overspeed conditions. </li></ul>
  24. 25. The Riisage Turbine
  25. 26. Competing Turbine Engines
  26. 27. The Tvind 2 MW Machine
  27. 28. Bonus 20 KW
  28. 29. Danish Domination of 1990s <ul><li>Slow, steady growth in Europe & Asia </li></ul><ul><li>Mid-range machines </li></ul><ul><li>Reliable with high availabilities. </li></ul><ul><li>Conservative, Lower Efficiency </li></ul><ul><li>American Company - Zond emerged </li></ul><ul><li>Green Power, State RPS program, & Tax credits kick-started American Market in late 1990s. </li></ul>
  29. 30. Great California Wind Rush (1980s) <ul><li>Tax Credit based on installed capacity. </li></ul><ul><li>Lots of bad wind turbines installed. </li></ul><ul><li>Lot of turbines were inoperable and had high O&M. </li></ul><ul><li>Conservative, Danish machine emerged. </li></ul>
  30. 31. Avedore Wind Farm, Denmark
  31. 32. Middelgrunden Wind Farm
  32. 33. Tuno Knob Offshore Wind Farm
  33. 34. Vindeby Wind Farm
  34. 35. TVA History <ul><li>In 1980s </li></ul><ul><ul><li>Tested a 2 MW machine. </li></ul></ul><ul><ul><ul><li>numerous problems </li></ul></ul></ul><ul><ul><li>Tested small machines at various locations. </li></ul></ul><ul><ul><li>Conducted extensive siting </li></ul></ul><ul><li>2000 </li></ul><ul><ul><li>Re-examined earlier work </li></ul></ul><ul><ul><li>Meso scale computer modeling </li></ul></ul><ul><ul><li>Sodar development </li></ul></ul><ul><ul><li>Monitoring </li></ul></ul><ul><ul><li>Walk-throughs </li></ul></ul><ul><li>October 2000 </li></ul><ul><ul><li>Commissioned 2 MW project on Buffalo Mountain </li></ul></ul>
  35. 36. Future of Wind Power <ul><li>Expect cost to continually drop ($0.02/kwh by 2010) </li></ul><ul><ul><li>Taller towers </li></ul></ul><ul><ul><li>Increased efficiency, less expensive blades </li></ul></ul><ul><ul><ul><li>wood composite </li></ul></ul></ul><ul><ul><li>Drive trains </li></ul></ul><ul><ul><ul><li>Direct drive </li></ul></ul></ul><ul><ul><ul><li>Power electronics </li></ul></ul></ul><ul><ul><li>Revolutionary change </li></ul></ul><ul><ul><ul><li>The Wind Power Company down 2 blade machine </li></ul></ul></ul><ul><ul><li>Larger size (1.5 – downwind 3.0 MWs) </li></ul></ul>
  36. 37. Future of Wind Power - continued <ul><li>AWEAs estimates 100,000 MW in USA by 2020. </li></ul><ul><li>Transport of wind power from plains states. </li></ul><ul><li>Off shore wind development </li></ul>
  37. 39. Future for the Tennessee Valley <ul><li>Taller towers </li></ul><ul><li>Self erecting towers </li></ul><ul><li>Different Power Test procedures </li></ul><ul><li>Sodars for wind resource measurements </li></ul><ul><li>Low wind speed turbines </li></ul><ul><li>Energy storage </li></ul>
  38. 40. TVA’s Plans <ul><li>RFP for wind power on Buffalo Mountain. </li></ul><ul><li>Online by December 2003. </li></ul><ul><li>Prefer Power Purchase Agreement. </li></ul><ul><li>Expansion for Green Power Switch. </li></ul><ul><li>May partner with neighboring utilities. </li></ul>

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