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1. (WO2018185111) HOISTING SYSTEM FOR INSTALLING A WIND TURBINE

Pub. No.:    WO/2018/185111    International Application No.:    PCT/EP2018/058505
Publication Date: Fri Oct 12 01:59:59 CEST 2018 International Filing Date: Wed Apr 04 01:59:59 CEST 2018
IPC: B66C 23/18
B66C 23/20
F03D 13/20
Applicants: LAGERWEY WIND B.V.
Inventors: PUBANZ, André Heinz
LAGERWEIJ, Hendrik Lambertus
VAN DE POL, Aart
WAAIJENBERG, Albèrt
Title: HOISTING SYSTEM FOR INSTALLING A WIND TURBINE
Abstract:
A hoisting system for the at least one of an installation, a decommissioning and a maintenance of a wind turbine which comprises at least a foundation, a tower, a yawing part and a rotor of at least 80m diameter with at least one blade, comprising a first hoisting device which comprises measures to establish a load carrying joint with a already built part of the wind turbine which is located above the foundation, wherein the hoisting system is characterized in that the ratio between the maximum hoist load of the hoisting device and the mass of the heaviest part is larger than 0.2 and smaller than 1 and in particular smaller than 0.8 and more in particular smaller than 0.7 and preferably smaller than 0.6, with the heaviest part being a heaviest part which is hoisted as one piece and which belongs to the yawing part of wind turbine.