微网优化控制研究现状及智能化即插即用趋势与策略

Operational Optimization of Micro-Grid Control:A Brief Introduction and an Intelligent Plug-and-Play Control Strategy

微型电网是在用户侧提高整体能源效率、清洁化程度和智能化程度的重要手段,其优化运行控制是能否有效发挥上述作用的关键.分析了不同微网结构,即直流微网、交流微网和交直流微网在控制优化需求方面的异同及优缺点.重点介绍比对了目前微电网低层控制方法和监督层的能量管理策略.总结了目前微网控制优化的热点问题及发展趋势,并提出了智能化即插即用微网构架在算法和实现方面的解决策略.

Micro-grid is an important method to improve overall energy efficiency,cleaning degree and intelligent degree from demand side.The operational optimal control is the key to the above-mentioned issues.This paper summarizes the different control requirements and controlled variables for different types of micro-grid（direct current,alternating current and hybrid）.The energy management strategies and control algorithms for different micro-grids are introduced.Meanwhile,the advantage and disadvantage of different algorithms are summarized.The hotspots and future of micro-grids control system are also presented and discussed.Finally an intelligent distributed control and optimization solution is proposed for realizing the＂plug-and-play＂function.