建筑集成能源微电网系统在不同气候区域的适用性分析与实施路径探讨

On the Feasibility and Implementation of Building Integrated Energy Microgrid System in Different Climatic Zones

建筑集成能源微电网系统结合可再生能源发电、储能电池调节、微网智能控制取得了显著节能与经济性效益,并逐渐成为发展方向。了解该系统在不同气候区域的适用性对于指导系统规划与设计有重要意义。本文介绍了能源微电网在不同场景适用性的研究成果。建立能耗模型来预测不同区域建筑的全年能耗及其特征。采用数值方法模拟能源微电网全年运行情况,结合性能分析,对系统中太阳能光伏利用情况及储能调节能力进行评估,并给出能源微电网在不同场景中的建议实施路径。结果表明能源微电网更适用于夏热冬暖及温和地区,并且在医院及商业建筑有更好的应用效果。其他场景中,可以考虑结合太阳能蓄热、增加光伏面积及改变储能策略来提升系统性能。

With renewable energy generation,battery storage and smart grid control,the building integrated energy microgrid system has achieved remarkable energy-saving effect and economic benefits,and it has become the focus of future development.The feasibility of this system in different climatic zones is of great guiding significance for project planning and design.This paper shows the research of building energy microgrid in different scenarios.The energy consumption model is established to predict the annual demands of cooling,heating and electricity for buildings in different zones.The operation of energy microgrid system is simulated by numerical approach.The utilization of photovoltaic and the regulation of battery storage in the system are evaluated using performance analysis,and suggested implementation approaches of energy microgrid in different scenarios are given.The results indicate that the energy microgrid systems are more suitable for hot summer and warm winter as well as mild zones.And the application of such systems in hospitals and commercial buildings can produce a better effect.The system performance can be improved by using solar heat storage,increasing photovoltaic area,and changing energy storage strategies in other application scenarios.