Line Capacity Expansion and Transmission Switching in Power Systems With Large-Scale Wind Power

Jonas Christoffer Villumsen, Geir Bronmo, Andy B. Philpott

    Research output: Contribution to journalJournal articleResearchpeer-review

    Abstract

    In 2020 electricity production from wind power should constitute nearly 50% of electricity demand in Denmark. In this paper we look at optimal expansion of the transmission network in order to integrate 50% wind power in the system, while minimizing total fixed investment cost and expected cost of power generation. We allow for active switching of transmission elements to reduce congestion effects caused by Kirchhoff's voltage law. Results show that actively switching transmission lines may yield a better utilization of transmission networks with large-scale wind power and increase wind power penetration. Furthermore, it is shown that transmission switching is likely to affect the optimal line capacity expansion plan.
    Original languageEnglish
    JournalI E E E Transactions on Power Systems
    Volume28
    Issue number2
    Pages (from-to)731-739
    ISSN0885-8950
    DOIs
    Publication statusPublished - 2013

    Keywords

    • Capacity planning
    • Mathematical programming
    • Smart grids
    • Stochastic systems
    • Transmission lines
    • Wind power generation

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