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Johnathan
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Level 1
Asked: 2019-12-18T10:35:34+00:00 In:

What is the cost structure of a wind turbine?

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A commercial wind turbine can consist of over 8,000 parts. However, there are three major parts of a wind turbine which are rotor (blades and hub), drivetrain (gearbox and generator) and control system.

When it comes to costs how much each part account for?

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    1. Level 3
      This answer was edited.

      Rotor

      • Blades (15%)
      • Hub (4%)
      • Pitch mechanism and bearings (4%)
      • Spinner and nose cone (0.4%)

      Drivetrain and Nacelle

      • Low-speed shaft (2%)
      • Bearings (1%)
      • Gearbox (15%)
      • Mechanical brake, high-speed coupling, etc. (0.3%)
      • Generator (9%)
      • Variable speed electronics (11%)
      • Yaw drive and bearing (2%)
      • Main frame (9%)
      • Electrical connections (6%)
      • Hydraulic, cooling system (2%)
      • Nacelle cover (2%)

      Controls, Safety System, Condition Monitoring  — (3%)

      Tower  — (14.18%)

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