The Microgrid Trend Based On Multi-agent Technology To Optimize Control Strategy Research

Optimal power flow of microgrid is the effective tool for planning and operation of microgrid electricity system to realize microgrid economy, safe operation of the comprehensive optimization.It is widely used in the aspects of microgrid voltage stability,security,economic dispatch, market economic operation, electricity market, etc.Microgrid optimal power flow is a multi-variable, multi-constrained,high dimen-sion, the coexistence of discrete and mixed continuous variable nonlin-ear optimization problem. Because there are a variety of distributed generations, the study of microgrid optimal power flow will bring opp-ortunities and challenges,and it would propose more new requirements to the traditional optimal power flow algorithms.This paper taken the microgrid optimal power flow as the research object,and proposed mic-rogrid flow control strategy in optimization operation based on multi-agent technology.This paper firstly described the purpose and research status of mi-crogrid optimal power flow problem,according to the principle of dis-tributed generation established the mathematical model of distributed generation, compared the advantages and disadvantages of various tr-aditional power flow calculation methods,choosed the forward and b-ackward substitution method to derive microgrid flow calculation,and established the mathematical model of microgrid optimal power flow. In the study of various microgrid optimal power flow optimization al-gorithms,according to the particularity and complexity of microgrid s-tructure, with modular design thoughts and hierarchical and distribut-ed control system theory of multi-agent, put forward microgrid flow optimization control system based on multi-agent technology to reali-ze the goal of the optimal distribution of microgrid flow. This paper designed a microgrid similar to the IEEE 14 node, through the micro-grid typical spring and autumn and winter of minimum cost optimal power control strategy research and analysis, proved real-time,reliabi-lity, intelligent and effectiveness of this method. Finally, this paper summarized the research work, and prospected the research and development prospects of microgrid flow optimization system based on multi-agent technology.