基于改进加权Voronoi图算法的有源配电网变电站规划

LIU Hong

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基于改进加权Voronoi图算法的有源配电网变电站规划

更新时间：2025-08-13

- 基于改进加权Voronoi图算法的有源配电网变电站规划
- Automation of Electric Power Systems Vol. 41, Issue 13, Pages: 45-52(2017)
- 作者机构：
  
  智能电网教育部重点实验室(天津大学),天津市,300072
- 作者简介：
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- Published：2017
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LIU Hong. [J]. Automation of electric power systems, 2017, 41(13): 45-52.
DOI：

LIU Hong. [J]. Automation of electric power systems, 2017, 41(13): 45-52. DOI：

摘要

针对未来规划区域面临大规模分布式电源(DG)接入及多样性负荷的场景，提出了一种基于改进加权Voronoi图算法的有源配电网变电站规划方法。首先，将负荷特性引入DG置信容量评估方法中，分析不同负荷特性与DG出力特性对DG置信容量的影响。其次，建立考虑DG置信容量的有源配电网变电站规划数学模型。继而，提出基于改进加权Voronoi图算法的变电站规划方法，具体改进包括:在Voronoi图一次迭代中，根据供电范围划分情况不断调整原定权值，实现加权Voronoi图算法的层次性改进；根据网供负荷在DG方向大量减少的情况调整Voronoi图在DG方向的权值，实现加权Voronoi图算法的方向性改进。最后，通过实例说明所提方法的科学性和实用性。

Abstract

Faced with the situation of large-scale access to distributed generator(DG)and various load characteristics

a substation planning method of active distribution network based on the improved weighted Voronoi diagram method is proposed. Firstly

load characteristics are introduced to the evaluation of DG capacity credit

and the influence of load and DG output characteristics on DG capacity credit is analyzed. Secondly

with the DG capacity credit taken into account

a substation planning model of the active distribution network is developed. Thirdly

two improved weighted Voronoi diagram methods are adopted to solve the model. By adjusting the weight according to the situation of power supply range expanding at each iteration

the hierarchical improvement of weighted Voronoi diagram method is archived. By steadily adjusting the weight according to the power supply range consistency of substation and DG

a directional improvement of the weighted Voronoi diagram method is archived. Finally

an example is used to show the scientific and practical merits of the proposed method.

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