基于风光气能源协同互补系统参数耦合研究

RESEARCH ON PARAMETER COUPLING OF WIND,SOLAR AND NATURAL GAS ENERGY COOPERATIVE COMPLEMENTARY SYSTEMS

提出3种结构不同的风能太阳能耦合天然气多能互补供热系统,结合全年太阳能测试数据及3年风能测试数据作为仿真模拟的边界条件与真实可靠的数据支撑,构建TRNSYS仿真模型。以呼和浩特市郊区典型建筑为例,对3套系统进行模拟与分析得出:集热效率与集热面积、风力机额定功率呈一种二元Parabola函数关系,集热效率随集热面积的增大而逐渐减小;燃气壁挂炉热效率随集热面积、风力机额定功率的变化不明显;燃气消耗量与集热面积、风力机额定功率呈一种以e为底的二元指数函数关系,当系统集热面积增加到一定数值后,燃气消耗量骤减;对比3种结构系统,串联系统较并联系统更节省化石能源的使用,两串联结构相比,对于农村典型建筑,出力顺序为“燃气壁挂炉→太阳能集热器→风力机”的串联结构系统更优。

In this study,three types of wind and solar coupled natural gas multi-energy complementary heating systems with different structures are proposed,and a TRNSYS simulation model is constructed by combining annual solar test data and 3-year wind energy test data as boundary conditions for simulation and real and reliable data support.Taking typical buildings in the suburbs of Hohhot as an example,it can be concluded from the simulation and analysis of 3 systems:there is a binary Parabola function relationship between heat collection efficiency,heat collection area,and wind turbine rated power.The heat collection efficiency gradually decreases as the heat collection area increases;the thermal efficiency of a gas wall-mounted furnace does not change significantly with the heat collection area and the rated power of the wind turbine;there is a binary consumption index function based on e among gas consumption,heat collection area,rated power of wind turbine.The gas consumption decreases sharply when the heat collection area of the system increases to a certain value.By comparing these three-type structural systems,series systems can save more fossil energy usage than that of parallel systems.Compared to the two series structures,the GSW structural system with the output sequence“gas wall-mounted furnace→solar collector→wind turbine”is better for typical buildings in rural areas.