Optimal electric network design for a large offshore wind farm based on a modified genetic algorithm approach

Francisco Gonzalez-Longatt, Francisco M. González-Longatt, Peter Wall, Pawel Regulski, Vladimir Terzija

    Research output: Contribution to journalArticlepeer-review

    Abstract

    The increasing development of large-scale offshore wind farms around the world has caused many new technical and economic challenges to emerge. The capital cost of the electrical network that supports a large offshore wind farm constitutes a significant proportion of the total cost of the wind farm. Thus, finding the optimal design of this electrical network is an important task, a task that is addressed in this paper. A cost model has been developed that includes a more realistic treatment of the cost of transformers, transformer substations, and cables. These improvements make this cost model more detailed than others that are currently in use. A novel solution algorithm is used. This algorithm is based on an improved genetic algorithm and includes a specific algorithm that considers different cable cross sections when designing the radial arrays. The proposed approach is tested with a large offshore wind farm; this testing has shown that the proposed algorithm produces valid optimal electrical network designs. © 2011 IEEE.
    Original languageEnglish
    Article number6007042
    Pages (from-to)164-172
    Number of pages8
    JournalIEEE Systems Journal
    Volume6
    Issue number1
    DOIs
    Publication statusPublished - Mar 2012

    Keywords

    • Electric distribution system
    • genetic algorithm
    • offshore wind farm
    • optimization

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