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山东大学学报(工学版) ›› 2017, Vol. 47 ›› Issue (6): 1-6.doi: 10.6040/j.issn.1672-3961.0.2017.541

• •    下一篇

全球能源互联网受端特高压网架双阶段优化

刘晓明1,许乃媛2,杨斌1,魏鑫1,张丽娜1,曹永吉3*   

  1. 1. 国网山东省电力公司经济技术研究院, 山东 济南 250021; 2. 国网山东省电力公司, 山东 济南 250001;3. 全球能源互联网协同创新中心(山东大学), 山东 济南 250061
  • 收稿日期:2017-10-30 出版日期:2017-12-20 发布日期:2017-10-30
  • 通讯作者: 曹永吉(1992— ),男,山东青州人,博士研究生,主要研究方向为电力系统分析与控制. E-mail: caoyongji-sdu@163.com E-mail:416582710@qq.com
  • 作者简介:刘晓明(1984— ),男,山东济南人,工程师,主要研究方向为电网规划和新能源发电技术. E-mail: 416582710@qq.com
  • 基金资助:
    国网山东省电力公司经济技术研究院科技资助项目

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

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摘要： 特高压作为全球能源互联网的关键支撑,其规划将影响世界能源的安全性和经济性,针对受端特高压电网的规划问题,综合落点布局和网架结构调整,提出双阶段优化方法。在第一阶段,以最大化受端交流系统强度、静态电压稳定性和最小化网络有功损耗为优化目标,构建三目标优化模型对特高压落点进行规划,采用归一化方法和标量化方法求解。在第二阶段,以短路电流和性能代价比为指标,基于BPA软件,对受端网架结构进行优化调整。以山东电网特高压网架规划为例进行仿真,结果表明落点优化布局方案与实际情况相符,提出方法能够有效保证特高压接入后电网的安全、经济运行。

关键词: 全球能源互联网, 性能代价比, 受端特高压, 双阶段规划, 归一化方法, 三目标优化, 标量化方法

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

中图分类号: 

  • TM734
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