电力系统自动化2017,Vol.41Issue(10):82-91,10.DOI:10.7500/AEPS20160803008
区域自治型单相/三相多微网多时间尺度递阶控制
Hierarchical Control on Multi-time Scale for Regional Autonomy Multi-microgrid with Single-phase/Three-phase Architecture
摘要
Abstract
With the large-scale application of microgrid, microgrids with single-phase/three-phase architecture geographically closer to one another can be interconnected to multi-microgrid systems with multi-phase architecture.For the regional autonomous multi-microgrid off the power distribution network, this paper proposes a distributed-coordinated hierarchical control strategy of multi-time scale, including second-level distributed real-time control, minute-level centralized coordinated control and hour-level dynamic island switching control.Distributed real-time control achieves power regulation with sources, loads and storages based on each microgrid's stability margin.Considering the three-phase unbalance factor as a constraint, centralized coordinated control achieves regulation of power with sources, loads and storages based on multi-objective mixed integer programming.Dynamic island switching realizes optimal resources allocation for the whole regional multi-microgrid through combined decision making.It is shown by simulation results that the proposed strategy can realize hierarchical control on multi-time scale for the regional autonomous multi-microgrid with single-phase/three-phase architecture and the coordinated control of the fluctuation of sources, loads and storages to help with the safe and efficient operation of the multi-microgrid off the distribution network.关键词
单相/三相(单三相)/微网(微电网)/稳定裕度/多时间尺度/递阶控制Key words
single-phase/three-phase/microgrid/stability margin/multi-time scale/hierarchical control引用本文复制引用
许志荣,杨苹,刘泽健,彭嘉俊,曾智基,赵卓立..区域自治型单相/三相多微网多时间尺度递阶控制[J].电力系统自动化,2017,41(10):82-91,10.基金项目
国家科技支撑计划资助项目(2015BAA06B02).This work is supported by National Key Technologies R&D Program (No.2015BAA06B02). (2015BAA06B02)