JOURNAL OF SHANDONG UNIVERSITY (ENGINEERING SCIENCE) ›› 2017, Vol. 47 ›› Issue (6): 26-31.doi: 10.6040/j.issn.1672-3961.0.2017.538

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Interval optimization method for reference network adaptable to the uncertainties of power sources and electric loads

SUN Donglei1, LI Shan1, LI Xueliang1, HAN Xueshan2,3, LI Wenbo4, YANG Si1   

  1. 1. Economic &
    Technology Research Institute, State Grid Shandong Electric Power Company, Jinan 250021, Shandong, China;
    2. Key Laboratory of Power System Intelligent Dispatch and Control of Ministry of Education(Shandong University), Jinan 250061, Shandong, China;
    3. Collaborative Innovation Center for Global Energy Internet(Shandong), Jinan 250061, Shandong, China;
    4. State Grid Shandong Electric Power Research Institute, Jinan 250002, Shandong, China
  • Received:2017-09-12 Online:2017-12-20 Published:2017-09-12

Abstract: Aimed at the shortage of the existing reference network models that rarely take the uncertainties of power sources and electric loads as well as the operation strategies of responding uncertainties into consideration, an interval optimization method for reference network adaptable to the uncertainties of power sources and electric loads was proposed to provide theoretical guidance for flexible electric network planning. Based on the forecasted interval level of uncertain power sources and electric loads in the planning period and candidate schemes in network planning strategy, a novel interval optimization model for reference network was built to minimize the total generation cost, reserve allocation cost and transmission investment cost, in which the security region constraints under all operating modes should be respected. The solution method was given for the proposed model to get the optimal planning scheme for electric network. Finally, case studies were conducted to demonstrate the effectiveness of the proposed method.

Key words: reference network, interval optimization, flexible electric network planning, power grid evaluation, electric network operation strategy

CLC Number: 

  • TM315
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