交变温度场对光伏组件性能的影响研究

为探究高海拔荒漠地区交变温度对运行光伏组件输出特性的影响,文章采用三维Solidworks建模与有限元Ansys workbench仿真协同方法,基于青海省海西州电站所处环境温度特征,模拟单一光伏组件在交变温度下的瞬态传热过程,分析温度场分布情况.仿真结果表明:光伏组件模型温度呈梯度分布,热量由前面板至背板,中心至边缘...

Research on the influence of alternating temperature field on the performance of photovoltaic modules

In order to explore the mechanism of alternating temperature on the output characteristics of operating photovoltaic modules in high-altitude desert areas,this paper uses a three-dimensional Solidworks modeling and finite element Ansys workbench simulation collaborative method,based on the environmental temperature characteristics of the power station in Haixi Zhou,Qinghai Province,to simulate a single photovoltaic module in the transient heat transfer process at alternating temperature and analyze the temperature field distribution.The simulation results show that:the temperature of the photovoltaic module model is distributed in a gradient,and the heat is from the front panel to the back panel,from the center to the edge.The photoelectric efficiency of the photovoltaic module is negatively correlated with the ambient temperature by using the empirical formula of photoelectric conversion efficiency.Meanwhile,the greater the fluctuation of the ambient temperature,the faster the photoelectric efficiency decreases.The research results have reference value for the operation and maintenance of photovoltaic power plants in high-altitude desert areas.