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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.

  17 Mar 2020

17 Mar 2020

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A revised version of this preprint was accepted for the journal WES and is expected to appear here in due course.

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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Interactive discussion

Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Sven Störtenbecker et al.

Sven Störtenbecker et al.

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Latest update: 08 Aug 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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