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Review Article

Lifting wind turbine components from a floating vessel: A review on current solutions and open problems

[+] Author and Article Information
Andreas F. Haselsteiner

University of Bremen, Faculty of Production Engineering - Mechanical and Process Engineering, 28359 Bremen, Germany
a.haselsteiner@uni-bremen.de

Jan-Hendrik Ohlendorf

University of Bremen, Faculty of Production Engineering - Mechanical and Process Engineering, 28359 Bremen, Germany
johlendorf@uni-bremen.de

Stephan Oelker

University of Bremen, Faculty of Production Engineering - Mechanical and Process Engineering, 28359 Bremen, Germany
soelker@uni-bremen.de

Lena Ströer

University of Bremen, Faculty of Production Engineering - Mechanical and Process Engineering, 28359 Bremen, Germany
l.stroeer@uni-bremen.de

Klaus-Dieter Thoben

University of Bremen, Faculty of Production Engineering - Mechanical and Process Engineering, 28359 Bremen, Germany
thoben@uni-bremen.de

Katharina Wiedemann

Amasus Offshore B.V., 9934 GD Delfzijl, Netherlands
offshore@amasus.nl

Emmanuel De Ridder

Jan De Nul NV, 9308 Hofstade-Aalst, Belgium
emmanuel.deridder@jandenul.com

Sven Lehmann

Senvion GmbH, 22297 Hamburg, Germany
sven.lehmann@senvion.com

1Corresponding author.

ASME doi:10.1115/1.4042385 History: Received September 18, 2018; Revised December 12, 2018

Abstract

Offshore wind energy is experiencing rapid development and is expected to make up an even bigger part of the world's future energy mix. New installation concepts for offshore wind farms involve lifting operations of wind turbine components from floating vessels. These installation concepts will only be economic if the lifting operations are performed safely at sea states with high significant wave heights. In this paper, we give an overview of current technical solutions, which could be used to lift the components tower, nacelle, hub and rotor blade from a floating vessel. We classify and analyze solutions found in patents and the academic literature and point out open problems, which need to be addressed to enable lifting operations at higher sea states than what is currently feasible. However, we restrict the paper to technical solutions concerning the interface between the vessel and the component as well as the interface between the component and the crane. Consequently, we analyze, classify and discuss solutions for the seafastening, the lifting gear as well as motion compensation systems. We find that there exists a large number of solutions, which are specific for a single component, but few solutions, which are applicable to all components without major adaptations. Additionally, we miss hydraulic seafastening mechanisms, which are remotely controlled and synchronized with the lifting operation. Consequently, we argue that standardized interfaces between the component and the crane as well as remotely controlled and synchronized seafastening mechanisms are best suited to enhance the lifting process.

Copyright (c) 2018 by ASME
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