基于共识算法的直流微网群分布式优化调度策略

被引:14
作者
李瑞
李占凯
张福民
李炬
张晓宇
何国杰
机构
[1] 河北省电磁场与电器可靠性重点实验室(河北工业大学)
关键词
直流微网群; 优化调度; 分布式分层控制; 共识算法; 增量成本一致性; 新型下垂控制;
D O I
10.13648/j.cnki.issn1674-0629.2022.01.005
中图分类号
TM73 [电力系统的调度、管理、通信];
学科分类号
120103 [信息系统与信息管理];
摘要
近年来,以直流单微网为构成单元的直流微网群因其具有新能源渗透率更高、稳定性更强、能效更好等优势越来越受重视。针对直流微网群提出了一种完全分布式优化调度策略,实现了直流微网群各分布式发电机(distributed generators, DG)与发电成本和碳排放有关的增量成本一致性目标。通过分布式通信结构对目标函数分别在微网层、网群层改进共识算法迭代寻找最优功率分配比例。以寻优结果为指令并考虑直流微网群中线路电阻对功率比例均分精度的影响设计了新型下垂控制器调度各微源,实现了直流微网群经济低碳运行。在MATLAB/Simulink仿真平台搭建了仿真模型,验证了所提控制策略的可行性。
引用
收藏
页码:49 / 57
页数:9
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