10089_001.pdf - Load set calculation - ECN
10089_001.pdf - Load set calculation - ECN
10089_001.pdf - Load set calculation - ECN
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<strong>Load</strong> <strong>set</strong> <strong>calculation</strong> DOWEC 6MW H. Efdé<br />
3 <strong>Load</strong> <strong>set</strong>.<br />
3.1 Introduction.<br />
A load<strong>set</strong> has been defined by NEG Micon and <strong>ECN</strong>, ref. [2]. The load cases are based on IEC2<br />
class C regulations and DNV regulations for off shore wind turbines. According this load <strong>set</strong><br />
description Stentec B.V. made two series of input files for Phatas IV, one for the fatigue <strong>calculation</strong>s<br />
and the other for ultimate loads <strong>calculation</strong>s. Stochastic wind models were generated with Swifti2.<br />
3.2 Definitions of the quantities.<br />
The definition of the quantities is according to the blade, hub and tower co-ordinate system of the<br />
Terms of Reference ref. [4]. A short description of the used quantities in Phatas is given below.<br />
R45.04/01.03/03 Stentec, 3-1-03 page 7
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