Design And Implementation Of The Software Platform For The Small Wind/Solar/Battery Hybrid Micro-grid

With the more and more serious problems of energy and environmental pollution,the development of clean and renewable energy resources has been the world’s attention.Wind power and solar power are clean energy,with huge reserves,has been a rapid development.Micro grid has become an important form of acceptance of new energy power generation,it can not only exchange energy with the large power grid,can also be self-sufficient and independent operation.Because wind power and solar power are greatly influenced by the environment,micro grid needs a proper energy management strategy to ensure that the micro-grid can operate stably and efficiently.Design and development of the micro grid software platform has important practical significance,it can not only help the micro grid operation safe and reliable,but also can improve the micro grid service level,promote the development of intelligent micro grid at.Based on the research of the development status of the micro grid at home and abroad,this paper designs a software platform for the small Wind/Solar/Battery Hybrid Micro-grid.Firstly,the functional requirements of the software platform are analyzed,then the business process design is carried out for the main function,and the communication protocol is designed for the small micro grid hardware information.Functional design including data monitoring and analysis,new energy power generation forecasting and load forecasting,optimization scheduling,simulation experiment and human-computer interaction and so on.Business processes including personnel management,operation environment configuration,monitoring data processing and system optimization scheduling and other services.Communication design includes communication protocol and format,data frame format,device address code design,function code design,etc.This paper uses C# programming language to achieve a small micro grid software platform based on Visual Studio Microsoft 2010 development environment.The software platform can be directly connected with the small micro grid hardware,so as to realize the monitoring and management of the operation status of the small micro grid.The software platform can be connected with the small micro grid simulation model,and simulation experiment is carried out.The software platform can also provide a reasonable energy management strategy for small micro grid and optimize the operation of small micro grid.In this paper,a set of mechanism model of the small Wind/Solar/Battery Hybrid Micro-grid is built,which is connected with the software platform to realize the simulation function of the software platform.The model includes wind power generation system,photovoltaic power generation system,energy storage system,and based on the model of each subsystem,the overall model of the small micro grid is established.The software platform can provide different energy management strategies according to the different operation modes of the small micro grid.When the small micro-grid connects to the grid,under the model of time-of-use price,Based on the classification and quantification of household electrical equipment,this paper proposes an energy management strategy,which is based on the optimization of economic benefit of users.When the small micro-grid doesn’t connect to the grid,this paper classify the importance of home electrical equipment and proposes the energy management strategy,which is based on the order of importance of the user’s electricity equipment,which is used in order to ensure the long-term stable operation of the small micro-grid.