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Analytical method towards an optimal energetic and economical wind-energy converter

Author

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  • Pelz, P.F.
  • Holl, M.
  • Platzer, M.

Abstract

An innovative concept to convert wind energy in wind-rich ocean regions is presented and analyzed. This concept involves the operation of wind-propelled vessels equipped with hydrokinetic turbines so that the kinetic energy of the water flow relative to the hydrokinetic turbine is converted into electricity. This electric power then is used to split sea water electrolytically into hydrogen and oxygen. A currently missing upper limit of energy conversion of the proposed system is presented, which is based on axiomatic conversion laws. To ensure the requirement of economic profitability the energetic description is widened by an economic description. Normally, the technical analysis precedes the economic assessment of a system. In contrast, a holistic approach is presented which yields the techno-economic optimal design as a trade-off between energetic efficiency and economic profitability. For system optimization Pareto optimization is applied to obtain convergence of the energetic and economic system quantities. The Pareto-frontier, defined as the multitude of all optimal energetic and economical systems, is presented. The application of this analysis shows that typical sailboats with 50 m2 sail area operating in 10 m/s winds deliver a mechanical power output of about 13 kW and sailing ships with 3200 m2 produce about 1 MW.

Suggested Citation

  • Pelz, P.F. & Holl, M. & Platzer, M., 2016. "Analytical method towards an optimal energetic and economical wind-energy converter," Energy, Elsevier, vol. 94(C), pages 344-351.
    • Handle: RePEc:eee:energy:v:94:y:2016:i:c:p:344-351
    DOI: 10.1016/j.energy.2015.10.128
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    References listed on IDEAS

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    1. Kim, J. & Park, C., 2010. "Wind power generation with a parawing on ships, a proposal," Energy, Elsevier, vol. 35(3), pages 1425-1432.
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    Cited by:

    1. Kim, Min Jae & Kim, Tong Seop, 2017. "Feasibility study on the influence of steam injection in the compressed air energy storage system," Energy, Elsevier, vol. 141(C), pages 239-249.
    2. Holl, Mario & Pelz, Peter F., 2016. "Multi-pole system analysis (MPSA) – A systematic method towards techno-economic optimal system design," Applied Energy, Elsevier, vol. 169(C), pages 937-949.

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