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Q19 Wind turbine Resource - hwb.gov.wales · Title: Microsoft Word - Q19_Wind_turbine_Resource.docx...

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Here are some facts about a typical turbine: Question What is the ‘swept area’ of the turbine? Extension Question What is the percentage increase in swept area if the blade length is increased by 1 metre? Hub height 96 m Rotor diameter 82 m Blade length 40 m Blade rotation 12 to 21 rpm As of November 2014, there are 28 onshore wind farms in Wales. Between them they share 498 wind turbines. Wind Turbines
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Page 1: Q19 Wind turbine Resource - hwb.gov.wales · Title: Microsoft Word - Q19_Wind_turbine_Resource.docx Author: Lynwen Jones Created Date: 3/13/2015 9:01:49 AM

 

 Here  are  some  facts  about  a  typical  turbine:  

             

 Question  What  is  the  ‘swept  area’  of  the  turbine?    Extension  Question  What  is  the  percentage  increase  in  swept  area  if  the  blade  length  is  increased  by  1  metre?    

Hub  height   96  m  Rotor  diameter   82  m  Blade  length   40  m  Blade  rotation   12  to  21  rpm  

As  of  November  2014,  there  are  28  on-­‐shore  wind  farms  in  Wales.  Between  them  they  share  498  wind  turbines.

Wind  Turbines  

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