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 How do we obtain windenergy? The technique behind windenergy by Jesse Voorhorst en Constantijn van der Eijk.

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Presentation on theme: " How do we obtain windenergy? The technique behind windenergy by Jesse Voorhorst en Constantijn van der Eijk."— Presentation transcript:

1  How do we obtain windenergy? The technique behind windenergy by Jesse Voorhorst en Constantijn van der Eijk

2 What kind of windmills do exist?  Two types  Horizontal axis wind turbine (HAWT)  Most in use  Vertical axis wind turbine (VAWT)  In development

3 HAWT

4 VAWT

5 How is a wind turbine built?

6 What are wind turbines made of?  3-blade HAWT: metal or concrete  Rotorblades: epoxy resin  VAWT: it differs

7 What are the criteria a wind turbine has to meet?  several rules and standards  Construction  Maintainance  Achievement  Grid connection  Certification is possible, by appointed companies only  Standards not binding, yet convenient  Standards more elaborate than legislation

8  Mostly three rotor blades  for energy rotor blades at an angle with the wind direction  Capstan motor turns when necessary How is wind converted into energy? rotor blade blade adjustment drive brake gauges generator gondola rotating axis stairs tower grid connection foundation rotor hub

9 How is wind converted into energy?  Most devices in gondola  Gearbox increases speed  Sometimes left out  Generator  Works similar to a dynamo  Axis rotates within stator  Contains spools of copper wire  Copper wire delivers electrial current main bearing computer generator wind direction/ speed brake disc gearbox main axis gearwheel rotor blade capstan motor

10 How is wind converted into energy?  Output tension 650 V  Transformed up to 3 to 50 kV  Transformer  2 spools  Number of turns determines tension  2 x more turns on secundary side  2x more tension  Magnetic field primairy side secundary side

11 Under what conditions do wind turbines produce energy?  Sufficient wind

12 How is energy transported?  Connected to the local grid  Correct tension  Transformer station  Avoid distortion power  Current flows into the grid

13 What is the energy yield?  Depends on type of wind turbine  Subject to:  design  height  length of rotor blades  windspeed  location  VAWT suitable for urban areas

14 What is the energy yield?

15  Movie!! http://youtu.be/0lyxZcaHlng

16 Sources  http://www.windenergie.nl/onderwerpen/techniek/veiligheidseisen http://www.windenergie.nl/onderwerpen/techniek/veiligheidseisen  http://www.windenergie.nl/onderwerpen/wet-en-regelgeving/normen-en-certificaten http://www.windenergie.nl/onderwerpen/wet-en-regelgeving/normen-en-certificaten  http://www.windenergie.nl/onderwerpen/techniek/opbrengst http://www.windenergie.nl/onderwerpen/techniek/opbrengst  http://www.windenergie.nl/onderwerpen/techniek/elektriciteitsnet http://www.windenergie.nl/onderwerpen/techniek/elektriciteitsnet  http://www.windenergie.nl/onderwerpen/techniek/werking http://www.windenergie.nl/onderwerpen/techniek/werking  http://www.energiekeuzes.nl/windturbine/generator/ http://www.energiekeuzes.nl/windturbine/generator/  http://profielwerkstukwindmolens.awardspace.com/?page=onderdelen http://profielwerkstukwindmolens.awardspace.com/?page=onderdelen  http://www.duurzaambouwloket.nl/maatregelen-windenergie-12-energie-2-4.html http://www.duurzaambouwloket.nl/maatregelen-windenergie-12-energie-2-4.html  http://statline.cbs.nl/StatWeb/publication/?DM=SLNL&PA=70802ned&D1=0,5- 6&D2=a&D3=135,152-155,157-159,161-163,165-167,169-172,174-176,178- 180,182&HDR=T,G1&STB=G2&VW=T http://statline.cbs.nl/StatWeb/publication/?DM=SLNL&PA=70802ned&D1=0,5- 6&D2=a&D3=135,152-155,157-159,161-163,165-167,169-172,174-176,178- 180,182&HDR=T,G1&STB=G2&VW=T

17 Sources  http://www.nibud.nl/uitgaven/huishouden/gas-elektriciteit-en-water.html http://www.nibud.nl/uitgaven/huishouden/gas-elektriciteit-en-water.html  http://www.winvast.nl/dintelhaven-turbine.html http://www.winvast.nl/dintelhaven-turbine.html  http://www.windparksvdw.nl/index.php?option=com_content&view=article&id=53&Ite mid=63 http://www.windparksvdw.nl/index.php?option=com_content&view=article&id=53&Ite mid=63  http://upload.wikimedia.org/wikipedia/commons/9/9f/NASA_MOD- 0_smoke_test_1982_05937L.jpg http://upload.wikimedia.org/wikipedia/commons/9/9f/NASA_MOD- 0_smoke_test_1982_05937L.jpg  http://www.debeterewereld.nl/Artikelen/4274/SAMEN_JE_EIGEN_STROOM_OPWE KKEN http://www.debeterewereld.nl/Artikelen/4274/SAMEN_JE_EIGEN_STROOM_OPWE KKEN  http://upload.wikimedia.org/wikipedia/commons/9/92/Darrieus_rotor002.jpg http://upload.wikimedia.org/wikipedia/commons/9/92/Darrieus_rotor002.jpg  http://upload.wikimedia.org/wikipedia/commons/f/f7/Taiwan_2009_JinGuaShi_Histori c_Gold_Mine_Combined_Darrieus_Savonius_Wind_Turbines_FRD_8638.jpg http://upload.wikimedia.org/wikipedia/commons/f/f7/Taiwan_2009_JinGuaShi_Histori c_Gold_Mine_Combined_Darrieus_Savonius_Wind_Turbines_FRD_8638.jpg

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