Multi-photovoltaic Coordinated Control Strategy in DC Distribution Network Based on Discrete Consensus Algorithm

被引：0
|
作者：
Tang M. [1 ]
Qu X. [1 ]
Yao R. [1 ]
Zhang Y. [1 ]
Chen W. [1 ]
Jia K. [2 ]
机构：
[1] School of Electrical Engineering, Southeast University, Nanjing
[2] State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, North China Electric Power University, Beijing
来源：
Dianli Xitong Zidonghua/Automation of Electric Power Systems | 2020年 / 44卷 / 24期
基金：
国家重点研发计划;
关键词：
Coordinated control; DC distribution network; Discrete consensus algorithm; Distributed photovoltaic (PV); Power deviation; Renewable energy;
D O I：
10.7500/AEPS20200513004
中图分类号：
学科分类号：
摘要：
Aiming at the power fluctuation of multi-photovoltaic (multi-PV) DC distribution network systems in different application scenarios, this paper proposes a distributed multi-PV coordinated control strategy based on the discrete consensus algorithm. First, the information of the power deviation and the operation modes can be exchanged between neighbor PV controllers. The average value of power deviation and operation modes can be obtained through the discrete consensus algorithm. Then, the operation mode instructions and power reference instructions can be updated and the power deviation is balanced by utilizing power complementary between PVs. PVs can operate in the maximum power tracking mode or constant power mode adaptively. In such a way, power balance will be guaranteed even if the solar irradiance and rated capacity of PVs are uneven. Finally, the simulation results verify the effectiveness of the proposed control strategy. © 2020 Automation of Electric Power Systems Press.
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页码：89 / 95
页数：6
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