A method of installing and/or uninstalling a rotor-nacelle component 6 on an offshore wind turbine 1 comprises providing an offshore wind turbine 1, installing lifting gear 8 on the offshore wind turbine 1 and installing and/or uninstalling the rotor-nacelle component 6 on the offshore wind turbine 1 using the installed lifting gear 8. The lifting gear 8 may be mounted on or above a nacelle 4 and may be heavy lifting gear installed using smaller lifting gear or a helicopter. Lifting gear 8 may be installed temporarily and may be assembled on the wind turbine 1. A tower 2 of the wind turbine 1 may act as a crane mast. A winch 12, 24 may be installed on the wind turbine 1 and/or on a vessel 20. When located on vessel 20 the winch 12, 24 may be motion compensated.
Installing or uninstalling components of a wind turbine
11.07.2018
Patent
Elektronische Ressource
Englisch
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