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Title: Vertically mounted bifacial photovoltaic modules: A global analysis
Authors: Guo, S.
Walsh, T.M. 
Peters, M.
Keywords: Albedo
Bifacial PV module
Diffuse fraction
Mono-facial PV module
PV energy
Issue Date: 1-Nov-2013
Citation: Guo, S., Walsh, T.M., Peters, M. (2013-11-01). Vertically mounted bifacial photovoltaic modules: A global analysis. Energy 61 : 447-454. ScholarBank@NUS Repository.
Abstract: Bifacial PV (photovoltaic) modules have recently come to increasing attention and various system designs have been investigated. In this paper, a global comparison is made between vertically mounted bifacial modules facing East-West and conventionally mounted mono-facial modules. An analytical method is used to calculate the radiation received by these two module configurations. It is found that the answer to the question which of these two module configurations performs better strongly depends on three factors: (i) the latitude, (ii) the local diffuse fraction and (iii) the albedo. In a subsequent part of the paper, the minimum albedo required to result in a better performance for vertically mounted bifacial modules is calculated for every place in the world. The calculation is based on measured data of the diffuse light fraction and the results are shown in the form of a global map. Finally, the albedo requirements are compared with the measured global albedo distribution. The calculation allows a distinct decision which module configuration is more suitable for a certain place in the world. The result is also shown as a map defining the corresponding areas. © 2013 Elsevier Ltd.
Source Title: Energy
ISSN: 03605442
DOI: 10.1016/
Appears in Collections:Staff Publications

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