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http://dx.doi.org/10.11108/kagis.2010.13.2.146

A Study on the Improvement of the Accuracy of Photovoltaic Facility Location Using the Geostatistical Analysis  

Kim, Ho-Yong (Department of Civil, Architecture and Environment, Missouri University of Science and Technology)
Publication Information
Journal of the Korean Association of Geographic Information Studies / v.13, no.2, 2010 , pp. 146-156 More about this Journal
Abstract
The objective of this study was to improve the accuracy of calculation and estimation of solar radiation and duration of sunshine, which are the most important variables of photovoltaic power generation in deciding the location of photovoltaic facilities efficiently. With increasing interest in new and renewable energies, research on solar energy is also being conducted actively, but there have not been many studies on the location of photovoltaic facilities. Thus, this study calculated solar duration and solar radiation based on geographical factors, which have the most significant effect on solar energy in GIS environment, and corrected the results of analysis using diffuse radiation. Moreover, we performed ordinary kriging, a spatial statistical analysis method, for estimating values for parts deviating from the spatial resolution of input data, and used variogram, which can determine the spatial interrelation and continuity of data, in order to estimate accurate values. In the course, we compared the values of variogram factors and estimates from applicable variogram models, and selected the model with the lowest error rate. This method is considered helpful to accurate decision making on the location of photovoltaic facilities.
Keywords
Location; Solar Radiation; Duration of Sunshine; Variogram; Kriging;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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