Description Usage Arguments Details Value Examples
Turbulence standard deviation according to IEC 61400-1 Ed.3 2005
1 | tsd.sigma1.ed3(ws = 4, wtc = "A")
|
ws |
wind speed at the hub height (m/s) |
wtc |
wind turbine class, |
wtc |
= "A" - class designates the category for higher turbulence characteristic, |
wtc |
= "B" - class designates the category for lower turbulence characteristic |
wtc |
= "C" - class designates the category for lower turbulence characteristic Iref is the expected value of the turbulence intensity at 15 m/s b = 5.6 m/s |
IEC 61400-1 Wind turbine generator systems. Part 1: Safety requitrements. Second Edition 2005-82.
Function returns the standard deviation of the longitudial wind velocity component.
1 | tsdsigma1ed3()
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