Journal
SOLAR ENERGY
Volume 85, Issue 9, Pages 1824-1836Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.solener.2011.04.023
Keywords
Direct radiation; Clustering; Mathematical Morphology; Granulometric size distribution
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Funding
- Spanish Government Science and Innovation Department [TIN2009- 14392-C02-01]
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We present a new method based on Mathematical Morphology techniques for the classification of solar radiation curves that we call MfCM. The main advantage of using MfCM as opposed to daily clearness index distributions is that it allows us to keep the dynamics of the solar radiance curves in the analysis: both cloud transitions and variability in direct radiation are simultaneously taken into account. To illustrate our proposal, we use a set of real radiation data collected in a location sited in southern Spain. (C) 2011 Elsevier Ltd. All rights reserved.
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