Friday, November 30, 2012

Notes - Chapter 4 Summary

The following notes are taken from Wind Turbine Technology by Ahmad Hemami.
  • Wind Turbine Types
    • Horizontal Axis
      • HAWT
      • must be yawed into the wind for max wind capture, follow wind direction
      • most common wind turbine is propeller wind turbine, works based on lift force
    • Vertical Axis
      • VAWT
      • not sensitive to wind direction
      • easier accessibility to most of the components
      • Darrieus Machine
        • weak starting torques
        • good power coefficients

      • H-Rotor
        • weak starting torques
        • good power coefficients

    • Savonius Rotor
      • drag-type turbine can be installed as either VAWT or HAWT
      • drag-type turbines have smaller power coefficients

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