JOURNAL OF SHANDONG UNIVERSITY (ENGINEERING SCIENCE) ›› 2017, Vol. 47 ›› Issue (6): 1-6.doi: 10.6040/j.issn.1672-3961.0.2017.541

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Bi-stage optimization method for receiving-end ultra-high voltage network planning under global energy interconnection

LIU Xiaoming1, XU Naiyuan2, YANG Bin1, WEI Xin1, ZHANG Lina1, CAO Yongji3*   

  1. 1. Economic &
    Technology Research Institute, State Grid Shandong Electric Power Company, Jinan 250021, Shandong, China;
    2. State Grid Shandong Electric Power Company, Jinan 250001, Shandong, China;
    3. Collaborative Innovation Center for Global Energy Interconnection(Shandong University), Jinan 250061, Shandong, China
  • Received:2017-10-30 Online:2017-12-20 Published:2017-10-30

Abstract: The ultra-high voltage(UHV)grid serves as a critical support technology of the global energy interconnection, of which network configuration may seriously impact the security and economical efficiency of global energy. Taking into account the layout of UHV receiving point and regulation of receiving-end network structure simultaneously, a bi-stage optimization approach was proposed to deal with the problem of receiving-end UHV network planning. In the first stage, a tri-objective optimization model(TOOM)of the UHV receiving point planning was established to maximize the strength of receiving-end system and the static voltage stability, and minimize the active transmission power loss. Then, the normalization and scalarization methods were implemented to solve the TOOM. In the second stage, the short circuit current level and cost-performance ratio were utilized as indices and the network structure was regulated based on the BPA software to ensure the safe and reliable operation. Shandong power grid was taken as a case study and the results validated the effectiveness of proposed approach.

Key words: receiving-end high voltage network, bi-stage planning, global energy interconnection, cost-performance ratio, scalarizing method, tri-objective optimization, normalization method

CLC Number: 

  • TM734
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