MILP Approach for Bilevel Transmission and Reactive Power Planning Considering Wind Curtailment

Faruk Ugranli, Engin Karatepe, Arne Hejde Nielsen

    Research output: Contribution to journalJournal articleResearchpeer-review

    Abstract

    In this study, two important planning problems in power systems that are transmission expansion and reactive power are formulated as a mixed-integer linear programming taking into account the bilevel structure due to the consideration of market clearing under several load-wind scenarios. The objective of the proposed method is to minimize the installation cost of transmission lines, reactive power sources, and the annual operation costs of conventional generators corresponding to the curtailed wind energy while maintaining the reliable system operation. Lower level problems of the bilevel structure are designated for the market clearing which is formulated by using the linearized optimal power flow equations. In order to obtain mixed-integer linear programming formulation, the so-called lower level problems are represented by using primal-dual formulation. By using the proposed method, power system planners will be able to find economical investment plans by considering the balance between wind power curtailment and the installation of transmission lines and reactive power sources.
    Original languageEnglish
    JournalIEEE Transactions on Power Systems
    Volume32
    Issue number1
    Pages (from-to)652 - 661
    ISSN0885-8950
    DOIs
    Publication statusPublished - 2017

    Keywords

    • Reactive power
    • Generators
    • Mathematical model
    • Wind power generation
    • Computational modeling
    • Load modeling
    • transmission expansion planning
    • Bilevel optimization
    • curtailed wind energy
    • MILP
    • reactive power planning

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