计及联络线簇潮流分布非均匀性的多目标输电网规划

PAN Zhijun

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计及联络线簇潮流分布非均匀性的多目标输电网规划

更新时间：2025-08-13

- 计及联络线簇潮流分布非均匀性的多目标输电网规划
- Automation of Electric Power Systems Vol. 37, Issue 23, Pages: 56-62(2013)
- 作者机构：
  
  上海交通大学电子信息与电气工程学院,上海市,200240
- 作者简介：
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- Published：2013
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PAN Zhijun. [J]. Automation of electric power systems, 2013, 37(23): 56-62.
DOI：

PAN Zhijun. [J]. Automation of electric power systems, 2013, 37(23): 56-62. DOI：

摘要

为降低地区电网因电源及负荷分布不均匀对供电可靠性的客观影响，提高电网设备利用率，提出了计及联络线簇潮流分布非均匀性的多目标输电网规划方法。从区域角度考察负荷及电源分布的非均匀性，提出区域电源（负荷）划分方法;在分析各联络线簇权重的基础上，选择以联络线簇负载率的标准离差率作为衡量联络线簇潮流分布均匀性指标，表征各区域对外功率交换的差异程度;在同时考虑电网扩建成本和运行损耗的基础上，建立电网扩展规划的多目标优化模型，通过改进遗传算法实现多目标模型的优化求解。通过华东某地区输电网规划算例分析，说明了所述方法的可行性和有效性。

Abstract

In order to mitigate the influence on the power supply reliability for the unevenness of the distribution of power supply and load and improve the availability of power equipment，a method of multi-objective transmission expansion planning（TEP）considering the unevenness of power flow distribution of tie-line groups is proposed.The unevenness of load and power distribution is considered from a regional perspective.Based on the division of interval lines，the coefficient of variance for the load factor of tie-line groups is used as the index of the power flow distribution unevenness of tie-line groups，which reflects the power exchange between different zones.Considering both expansion cost and loss of system operation，a multi-objective optimization model for TEP is developed.By using the genetic merit factor and structure sensitivity sequencing in the solving process，the compromise solution of multi-objective optimization is realized through improved genetic algorithm.An example of power network planning for a region in East China has proved the method proposed effective and feasible.

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