Flexible Planning Methods for Distribution Network with Uncertainties During Development

被引：0
|
作者：
Zhang M. [1 ]
Wang Z. [1 ,2 ]
Wang J. [2 ]
Zhu D. [3 ]
机构：
[1] School of Electrical Engineering, Chongqing University, Chongqing
[2] WLSL Electric Energy Star, Inc., Chongqing
[3] State Grid Zhengzhou Power Supply Company, Zhengzhou
来源：
Dianli Xitong Zidonghua/Automation of Electric Power Systems | 2019年 / 43卷 / 13期
关键词：
Channel reservation; Flexible planning of distribution network; Flexible transition of network structure; Networking form; Site reservation;
D O I：
10.7500/AEPS20181119001
中图分类号：
学科分类号：
摘要：
With the rapid development of urbanization in China, there are more and more uncertain factors in distribution network planning. Therefore, a new set of ideas, models and methods of flexible planning for distribution networks is proposed, which is related with substations, channels, networking forms and their transition of medium voltage network structures. Firstly, it is pointed out that all main channels should be reserved for the convenient access of new nearby loads and substations. Secondly, for the determination of substation site reservation schemes, the corresponding optimization method is put forward based on multi-scenario probabilities, and a decision-making method is proposed based on the break-even analysis. Then, the advantages of a ring type networking form are elaborated for flexible planning, and the optimization model and corresponding heuristic solution method are proposed to make a choice between a mesh-type structure and a ring-type structure. It is also proposed that a planning priority is given to the main trunk lines of a medium voltage distribution network. Finally, based on the estimated table of farthest power supply distances, some flexible transition schemes of networking forms are proposed by adjusting the power supply ranges. The effectiveness and applicability of the proposed flexible planning methods are verified through numerical examples. © 2019 Automation of Electric Power Systems Press.
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页码：114 / 123and168
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