Total Supply Capability of Distribution Network Considering Flexible Interconnection of Low-voltage Distribution Station Areas

被引：0
|
作者：
Zu G. [1 ,2 ]
Hao Z. [3 ]
Huang X. [2 ,3 ]
Zhang C. [1 ]
机构：
[1] Electric Power Research Institute of State Grid Tianjin Electric Power Company, Tianjin
[2] Key Laboratory of Ministry of Education on Smart Power Grids, Tianjin University, Tianjin
[3] Chengdong Power Supply Branch of State Grid Tianjin Electric Power Company, Tianjin
来源：
Dianli Xitong Zidonghua/Automation of Electric Power Systems | 2023年 / 47卷 / 07期
基金：
中国国家自然科学基金;
关键词：
distribution station area; flexible interconnection; low-voltage distribution network; total supply capability;
D O I：
10.7500/AEPS20211116005
中图分类号：
学科分类号：
摘要：
Under the target of“carbon emission peak and carbon neutrality”, the distribution network will carry the large-scale application of low-carbon technologies such as distributed generation, electric vehicles and electric heating, which is faced with severe challenges such as insufficient carrying capacity, load imbalance and power quality. And the flexible interconnection technology of the low-voltage distribution area is considered as an effective way to deal with the above challenges. Therefore, the total supply capability (TSC) of the distribution network considering the flexible interconnection of low-voltage distribution station areas is proposed. Firstly, the typical structure and operation mode of the distribution network considering the flexible interconnection of the station areas are given, and the TSC model of the distribution network considering the flexible distribution of multi-port power flow of flexible interconnected devices and multi-level load transfer is established. Secondly, aiming at the nonlinear non-convex characteristics of the proposed TSC model, a model solution method based on branch and bound algorithm is proposed. Then, the TSC of the actual flexible interconnected distribution network is calculated, and the N-1 security verification is carried out. Finally, the variation law of TSC values with different capacities of low-voltage flexible interconnected devices is observed, and the planning and operation suggestions of the flexible interconnected distribution network in the station area are given, which provide a theoretical basis for the large-scale application of the flexible interconnected technology of the low-voltage station area in the distribution network. © 2023 Automation of Electric Power Systems Press. All rights reserved.
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页码：84 / 93
页数：9
相关论文
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