华南理工大学学报(自然科学版) ›› 2019, Vol. 47 ›› Issue (1): 103-111.doi: 10.12141/j.issn.1000-565x.180227

• 能源、动力与电气工程 • 上一篇    下一篇

微电网动态重构策略的研究与实现

陈渊睿1 林炜1 王侨侨1 刘俊峰2 曾君1†   

  1. 1. 华南理工大学 电力学院,广东 广州 510640; 2. 华南理工大学 自动化科学与工程学院,广东 广州 510640
  • 收稿日期:2018-05-14 修回日期:2018-09-21 出版日期:2019-01-25 发布日期:2018-12-01
  • 通信作者: 曾君( 1979) ,女,博士,教授,主要从事微电网和分布式可再生能源发电系统中的控制与电力电子技术研究 E-mail:junzeng@scut.edu.cn
  • 作者简介:陈渊睿( 1969) ,男,博士,副教授,主要从事微电网控制与电力电子技术、多源互补系统研究
  • 基金资助:
    国家自然科学基金资助项目( 61573155) ;广东省自然科学基金资助项目( 2016A030313508) ; 广东省科技计划项 ( 2016A010102007) 

Research and Implementation of Micro-grid's Dynamic Reconfiguration Strategy
 

 CHEN Yuanrui1 LIN Wei1 WANG Qiaoqiao1 LIU Junfeng2 ZENG Jun1   

  1.  1. School of Electric Power,South China University of Technology,Guangzhou 510640,Guangdong,China; 2. School of Automation Science and Engineering,South China University of Technology,Guangzhou 510640,Guangdong,China
  • Received:2018-05-14 Revised:2018-09-21 Online:2019-01-25 Published:2018-12-01
  • Contact: 曾君( 1979) ,女,博士,教授,主要从事微电网和分布式可再生能源发电系统中的控制与电力电子技术研究 E-mail:junzeng@scut.edu.cn
  • About author:陈渊睿( 1969) ,男,博士,副教授,主要从事微电网控制与电力电子技术、多源互补系统研究
  • Supported by:
      Supported by the National Natural Science Foundation of China( 61573115) ; the Natural Science Foundation of Guangdong Province of China ( 2016A03031358) and the Science and Technology Planning Project of Guangdong Province ( 2016A010102007) . 

摘要: 微电网是分布式可再生能源利用的高级应用形式. 为应对可再生能源的随机性、 间歇性以及环境的不确定性,寻求有效的微网动态重构策略,对于保障微电网的高效稳定 运行具有重要意义. 针对微电网的能量管理问题,文中提出了一种基于多智能体系统 ( Multi-agent System,MAS) 的微电网动态重构策略. 首先,在分析微电网重构激发条件和 重构基本特征的基础上,以经济性最优为目标,建立了微电网动态重构数学模型;然后,基 于各分布式电源的自身效益最大化,采用 MAS 和引入势博弈算法作为核心优化算法,搭 建了微电网能量管理系统,通过各智能体的交互协作实现微电网的动态重构,势博弈良好 的分布式特性使得微电网拓扑结构与优化算法相互支撑、实现了完全分布式; 最后,通过 孤岛微电网算例进行了仿真验证,仿真结果表明微电网在保障个体具有充分的自主性和 独立决策能力的基础上能够有效进行动态重构,验证了所提方法的有效性. 

关键词: 微电网, 动态重构, 多智能体系统, 微电网重构激发条件, 势博弈算法 

Abstract:  Micro-grid is an advanced application to utilize distributed renewable energy. Due to the randomness and intermittency of renewable energy and the environmental uncertainty,it is important to seek an effective dynamic reconfiguration strategy to ensure the efficient and stable operation of micro-grid. To solve the problem of micro-grid energy management,a dynamic reconfiguration strategy was proposed for micro-grid architecture based on the multi-agent system ( MAS) technology. Firstly,the mathematic model of micro-grid aiming at a maximum economic benefit is built based on the analysis of the excitation conditions and basic characteristics of micro-grid's reconfiguration. Secondly,the micro-grid energy management system ( MEMS) based on MAS and the potential game algorithm introduced as the core optimization algorithm is built based on the self-benefit maximization of distributed power supply. It realized the dynamic reconfiguration of micro-grid through the interaction of each agent. Potential game has excellent distributed characteristics that realize absolute distributed dynamic reconfiguration by combining topology with core optimization algorithm. Finally,simulation verification was carried out by an example of islanded micro-grid. Simulation results show that micro-grid can realize effectivelly dynamic reconfiguration while ensuring that individuals have sufficient autonomy and independent decision-making ability. Simulation results also verify the validity of the proposed methods. 

Key words: micro-grid, dynamic reconfiguration, multi-agent system, the excitation condition of micro-grid reconfiguration, potential game algorithm

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