[PDF][PDF] Evaluation of Irradiance Decomposition and Transposition Models for a region in South Africa

T Mahachi, AJ Rix - 42nd Annual Conference of the IEEE …, 2016 - researchgate.net
Accurately estimating the solar irradiance on tilted surfaces is a prerequisite for reliably
predicting the energy yield of solar PV systems. In this study, irradiance models that estimate
Global Plane Irradiance (GPI) from Global Horizontal Irradiance (GHI) measurements for
South African climatic conditions are evaluated. Seven irradiance decomposition models
namely Orgill and Hollands, Erbs, Louche, 𝐑𝐑𝐑𝐑𝐑𝐑𝐑𝐑𝐑𝐑𝐥𝐥𝟏𝟏, 𝐑𝐑𝐑𝐑𝐑𝐑𝐑𝐑𝐑𝐑𝐥𝐥𝟐𝟐,
Disc and Dirint are evaluated as well as combinations of the Isotropic, Sandia, Klucher, Hay …

Evaluation of irradiance decomposition and transposition models for a region in South Africa investigating the sensitivity of various diffuse radiation models

T Mahachi, AJ Rix - IECON 2016-42nd Annual Conference of …, 2016 - ieeexplore.ieee.org
Accurately estimating the solar radiation on tilted surfaces is essential for reliably predicting
the energy yield of solar PV systems. In this study, irradiance models that estimate Global
Plane Irradiance (GPI) from Global Horizontal Irradiance (GHI) measurements for South
African climatic conditions are evaluated. Seven irradiance decomposition models namely
Orgill and Hollands, Erbs, Louche, Reindl 1, Reindl 2, Disc and Dirint are evaluated as well
as combinations of the Isotropic, Sandia, Klucher, Hay, Reindl and Perez transposition …
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