This article discusses the principle,characteristics and applicability of the mainstream methods of obtaining irradiance data in domestic design institutes,compares the accuracy of irradiance data measured from projects that have been put into operation in dif-ferent regions according to national standards.Based on the comprehensive literature review and example calculation analysis,the mainstream methods of irradiance data acquisition are proposed to provide a basis for the new energy engineering design and operation and mainte-nance management in the industry.
关键词
光伏/辐照度/准确性评价指标/影响因素规律
Key words
photovoltaic/irradiance/accuracy evaluation index/influence factor law