Prediction of photovoltaic power attenuation rate under thehaze weather based on multi-factor fitting model

In the light of frequent occurrence of haze weather, the output power of photovoltaic panel is dramatically affected. In order to accurately predict the output power of photovoltaic power generation under the haze weather, in this paper, the research status of the output performance of photovoltaic modules is firstly investigated, then the correlations between various factors and the output power attenuation rate of photovoltaic panel are analyzed, and multi-factor fitting method is adopted to establish the prediction model of photovoltaic power attenuation rate. The experimental results show that the proposed prediction model has high precision.