Evaluation Model of Total Supply Capability of Distribution Network Considering Multiple Transfers

被引：0
|
作者：
Zhu J. [1 ]
Dong S. [1 ]
Xu C. [1 ]
Zhu B. [2 ]
Ni Q. [2 ]
Xu Q. [2 ]
机构：
[1] College of Electrical Engineering, Zhejiang University, Hangzhou, 310027, Zhejiang
[2] State Grid Zhejiang Electric Power Company, Hangzhou, 310007, Zhejiang
来源：
Dianwang Jishu/Power System Technology | 2019年 / 43卷 / 07期
关键词：
Multiple transfers; N-1 security check; Particle swarm optimization; Path description; Total supply capability;
D O I：
10.13335/j.1000-3673.pst.2018.2183
中图分类号：
学科分类号：
摘要：
Total supply capacity is an important reference index for distribution network development planning. Existing evaluation methods do not consider multiple transfers, leading the evaluation results conservative, not adapting to the development trend of distribution automation. In view of this, this paper proposes an evaluation model of the total supply capacity of distribution network considering multiple transfers. Firstly, a load path set is established based on path description mode. Then a total supply capacity evaluation model of distribution network is established, taking path on-off state as variable, the maximum system load sum as objective function and the N-1 security check condition of the distribution network as constraint. Finally, a penalty function of N-1 check is designed, and particle swarm optimization algorithm is used to solve the problem. Case study shows that this method can fully excavate the power supply potential of distribution network. Corresponding power-loss transfer strategy for all kinds of main transformer faults can be put forward and the limitation of traditional evaluation methods can be broken. © 2019, Power System Technology Press. All right reserved.
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页码：2275 / 2281
页数：6
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