Analysis of typical factors affecting the I-V output characteristics of photovoltaic modules and protection measures
There are many factors that affect the performance of photovoltaic modules,mainly including photovoltaic technology,operating temperature,solar illumination,wind speed,dust accumulation,humidity and air quality.Through analyzing the influence of these factors on the instantaneous output performance and long-term reliability of photovoltaic modules,the key measures to improve the performance of photovoltaic modules in practical applications are proposed.The research shows that different photovoltaic technology types have advantages and disadvantages in efficiency and cost;Operating temperature and solar illumination directly affect the efficiency of the module.Appropriate wind speed helps heat dissipation,but excessive wind speed may damage the component structure.Environmental factors such as dust,humidity and air quality can accelerate component aging.In order to improve the overall efficiency and reliability of the photovoltaic power generation system,it can be optimized from the following aspects,such as improving materials and design,regular maintenance and so on.These research results have important guiding significance for the perform-ance improvement of photovoltaic modules and the stable operation of photovoltaic systems in practical applications.
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