摘要
为了对交直流混合微电网进行实时监测并选择恰当的控制与管理方法,以保证微电网供电的可靠性、安全性与经济性,设计了一套基于多智能体的交直流混合微电网监控系统,并提出一种分层控制策略。该系统利用传感器收集环境信息和电气信息,将交直流混合微电网分为设备层、微网层与配电层进行分层控制管理。设备层各智能体采用自适应控制以保证工作可靠性;配电层采用集中控制,对系统进行全局优化以保证供电的经济性;微网层采用集中/主从混合控制,使智能体间相互协调,以保证供电的稳定性与安全性。利用搭建的实验平台对设计的监控系统信息监测和运行情况进行实际测试,并借助MATLAB/Simulink对所提分层控制策略的各种工况进行仿真。实验结果表明,各传感器工作稳定,信号失真小,系统运行可靠。仿真结果表明,分层控制策略在各种工况下可以有效减小电网波动,实现设计目的。
In order to monitor an AC/DC hybrid microgrid in real time and choose the appropriate control and management methods to ensure the reliability,security and economy of the microgrid power supply,an AC/DC hybrid microgrid monitoring system based on multi-agent is designed and a layered control strategy is proposed.The system uses sensors to collect environmental information and electrical information,and divides the AC/DC hybrid microgrid into equipment layer,microgrid layer and distribution layer for hierarchical control and management.Each agent in the equipment layer adopts adaptive control to ensure work reliability;the distribution layer adopts centralized control to optimize the system globally to ensure power supply economy;the micro network layer adopts centralized/master-slave hybrid control to make the agents coordinate with each other to ensure power supply stability and safety.The experimental platform is used to test the information monitoring and operation of the designed monitoring system,and MATLAB/Simulink is used to simulate various working conditions of the proposed hierarchical control strategy.The experimental results show that the sensors work stably,the signal distortion is small,and the system runs reliably.The simulation results show that the layered control strategy can effectively reduce the power grid fluctuation under various working conditions,and achieve the design purpose.
作者
杨清志
蒋伟
许春雷
YANG Qingzhi;JIANG Wei;XU Chunlei(Department of Intelligent Engineering,Bozhou Vocational and Technical College,Bozhou 236800,China;Anhui Huaxi Electric Power Technology Co.,Ltd.,Bozhou 236800,China)
出处
《高电压技术》
EI
CAS
CSCD
北大核心
2020年第7期2327-2339,共13页
High Voltage Engineering
基金
亳州市科技局重大专项(ZDZX201906)
安徽省教育厅质量工程项目(2019cxtd050)。
