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Offshore wind farm electrical design using a hybrid of ordinal optimization and mixed-integer programming

S. Lumbreras, A. Ramos, P. Sánchez

Electrical layout design is, for offshore wind farms (OWF), a complex problem that has a far-reaching impact on both plant cost and reliability. A full optimization of the layout, as opposed to just selecting the most favorable pre-established configuration, is required in order to capture all the potential efficiencies. However, classical optimization methods such as mixed-integer programming (MIP) might not be applicable to large OWFs. This paper describes a novel combination of ordinal optimization (OO) and MIP that is able to deal with large problems in reduced computation times with a statistical optimality guarantee. The algorithm is applied to a real case study taken from Barrow Offshore Wind Farm in the East Irish Sea.

Keywords: offshore wind farms; collector system; transmission system; electrical layout; circuit optimization

Wind Energy. Volume: 18 Issue: 12 Pages: 2241-2258

Journal Impact Factor: JCR impact factor 2.938 (2017)

DOI reference: DOI icon 10.1002/we.1807    

Published on paper: December 2015. Published on-line: October 2014.

    Topics research:
  • *Long-term strategic analysis

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