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Wind Energy Science The interactive open-access journal of the European Academy of Wind Energy
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https://doi.org/10.5194/wes-2020-46
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/wes-2020-46
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Submitted as: research article 17 Mar 2020

Submitted as: research article | 17 Mar 2020

Review status
This preprint is currently under review for the journal WES.

Simplified support structure design for multi rotor wind turbine systems

Sven Störtenbecker, Peter Dalhoff, Mukunda Tamang, and Rudolf Anselm Sven Störtenbecker et al.
  • Dep. Mechanical Engineering & Production, HAW Hamburg, Berliner Tor 21, D-20099 Hamburg, Germany

Abstract. In this study different multi rotor wind turbine systems (MRSs) will be designed in such a way that the space frame, forming the connection between rotor nacelle assemblies (RNAs) and tower, will be modeled as an ideal truss work. To dimension the tube diameters and wall thicknesses, a simplified load case will be used with an adjusted safety factor for loads. This simplified approach allows fast computations of a large variety of different support structure designs. By variation of rotor number, space frame topology, space frame depth and the positioning of yaw bearings, it is possible to gain an understanding of the optimal MRS design. As such, the simplified approach is a preliminary step helping to choose a good design parameter combination for a more detailed and comprehensive analysis.

Sven Störtenbecker et al.

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Status: open (until 03 May 2020)
Status: open (until 03 May 2020)
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Sven Störtenbecker et al.

Sven Störtenbecker et al.

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Latest update: 29 Mar 2020
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Short summary
Multi rotor wind turbine systems show the potential to reduce the levelized cost of energy. In this study a simplified and fast method as a first venture to find an optimal number of rotors is presented. A variety of space frame designs are dimensioned based on ultimate loads and buckling, as a preliminary step for later detailed analyses.
Multi rotor wind turbine systems show the potential to reduce the levelized cost of energy. In...
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