Measuring solar spectral and angle-of-incidence effects on photovoltaic modules and solar irradiance sensors

被引:88
|
作者
King, DL [1 ]
Kratochvil, JA [1 ]
Boyson, WE [1 ]
机构
[1] Sandia Natl Labs, Albuquerque, NM 87123 USA
关键词
D O I
10.1109/PVSC.1997.654283
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
Historically, two time-of-day dependent factors have complicated the characterization of photovoltaic module and array performance; namely, changes in the solar spectrum over the day and optical effects in the module that vary with the solar angle-of-incidence. This paper describes straightforward methods for directly measuring the effects of these two factors. Measured results for commercial modules, as well as for typical solar irradiance sensors (pyranometers) are provided. The empirical relationships obtained from the measurements can be used to improve the methods used for system design, verification of performance after installation, and diagnostic monitoring of performance during operation.
引用
收藏
页码:1113 / 1116
页数:4
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