How to model extreme wind shear

1. From the IEC standard

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2. In SIMA

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For special cases use Turbine Class S. Vref is not used for EWSV, and Iref is the expected value of hub height TI at a 10 min average wind speed of 15 min/s.

3. Environment in SIMA

  • The wind environment must have a power shear profile with wind shear exponent set to 0.2.

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4. Wind at top of rotor

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