Probabilistic Supply and Demand Balance Control Method based on Electricity Market Mechanism Considering N-1 Criterion

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  • Koide Akira
    Advanced Power System Engineering Laboratory, University of Toyama
  • Tsuji Takao
    Graduate School of Sience and Engineering,Yokohama National University
  • Tanaka Kazuyuki
    Advanced Power System Engineering Laboratory, University of Toyama
  • Sugimoto Hitoshi
    Engineering Research & Development Center,Hokuriku Electric Power Company

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  • N-1基準を考慮した電力市場メカニズムに基づく確率的需給制御手法
  • N-1 キジュン オ コウリョ シタ デンリョク シジョウ メカニズム ニ モトズク カクリツテキ ジュキュウ セイギョ シュホウ

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<p>To solve energy and environmental issue, Variable Renewable Energy (VRE) has been greatly promoted and power flow in transmission system becomes more uncertain due to VRE output fluctuation. N-1 criterion has been applied to determine secure generation dispatch or clearing point in the market so far, however, more strict risk management will be needed in the near future with more VRE integration. In this paper, a new market mechanism is proposed to determine clearing point considering overloading probability in addition to N-1 criterion. Supposing the clearing point can be given as a solution of optimal power flow calculation, congestion management is available with adjusting upper and lower limits of thermal capacity of transmission lines in the formulation. The effectiveness of the proposed method was verified through numerical simulation using modified IEEE New England 39 bus system model with taking into account bidding curves of both suppliers and customers.</p>

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