Cluster Division Voltage Control Strategy of Photovoltaic Distribution Network with High Permeability

被引：0
|
作者：
Ge J. [1 ]
Liu Y. [1 ]
Pang D. [2 ]
Wang C. [1 ]
Wang Z. [1 ]
Liu Z. [1 ]
机构：
[1] Key Laboratory of Modern Power System Simulation and Control & Renewable Energy Technology, Ministry of Education, Northeast Electric Power University, Jilin
[2] State Grid Changchun Power Supply Company, Changchun
来源：
Gaodianya Jishu/High Voltage Engineering | 2024年 / 50卷 / 01期
关键词：
cluster division; distribution network; high permeability distributed photovoltaic; key nodes; voltage regulation;
D O I：
10.13336/j.1003-6520.hve.20230816
中图分类号：
学科分类号：
摘要：
The large-scale distributed access of distributed photovoltaic leads to frequent voltage over-limit problems in the distribution network. Aiming at the problem that centralized control cannot quickly respond to the randomness of distributed photovoltaic and local control is difficult to achieve overall coordination, this paper proposes a distributed photovoltaic cluster collaborative optimization voltage control strategy based on improved community algorithm. Firstly, by improving the community algorithm, the division of reactive and active clusters considering power balance and node coupling degree is realized. Then, the power control ability of photovoltaic inverters is fully utilized, and the cluster coordinated voltage control strategy is proposed. Finally, an evaluation index of voltage regulation ability is proposed to evaluate the node regulation ability in the cluster and select the key nodes, which effectively reduces the number of control nodes. Through the simulation analysis of the improved IEEE 69 distribution network, the results show that the voltage control strategy proposed in this paper can alleviate the voltage over-limit problem of high-permeability distributed photovoltaic access distribution and improve the photovoltaic consumption capacity. © 2024 Science Press. All rights reserved.
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页码：74 / 82
页数：8
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