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Title: Effect of seasonal spectral variations on performance of three different photovoltaic technologies in India
Authors: Magare, D.B.
Sastry, O.S.
Gupta, Rajesh
Betts, Thomas R.
Gottschalg, Ralph
Kumar, A.
Bora, B.
Singh, Y.K.
Keywords: Photovoltaics
Spectral variation
Average photon energy
Useful fraction
Mismatch factor
Performance ratio
Issue Date: 2016
Publisher: © the authors
Citation: MAGARE, D.B. ... et al., 2016. Effect of seasonal spectral variations on performance of three different photovoltaic technologies in India. International Journal of Energy and Environmental Engineering, 7 (1), pp.93-103.
Abstract: The accuracy of outdoor performance of a photovoltaic (PV) array can be improved by considering the spectral effects. In this paper, the impact of seasonal spectral variations on the three different silicon PV technologies: single junction amorphous silicon (a-Si), Hetero-junction with Intrinsic Thin-layer (HIT) and multi crystalline silicon (mc-Si) has been presented first time in Indian environmental conditions. The spectral effect on HIT PV module technology has been presented first time along with the first simultaneous study of variation in spectral indicators by useful fraction (UF), average photon energy (APE) and spectral mismatch factor (MMF), based on monthly and seasonal data. The maximum observed variation in UF was 26.4, 8.2, 10.8 %, while in MMF, variation was up to 24.7, 7.6, 8.2 % for a-Si, HIT and mc-Si, respectively, and in APE variation was up to 15.3 %. Among all three technology modules, first time reported HIT technology showed the least variation while maximum variation was observed in a-Si technology. The observed spectral effect variations have been discussed on Performance Ratio and compared with reported results of other global sites. The value and trends of spectral parameters are important to understand the effect of spectral variation on different technology. This study is especially important in Indian subcontinent perspective because of the strong monsoon season, where observed variation in the spectrum-related parameter found to be highest among all the seasons.
Description: This article is published with open access at Springerlink.com This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://crea tivecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.
Sponsor: This work has been supported by a joint India-UK initiative in solar energy through a joint project ‘Stability and Performance of Photovoltaic (STAPP)’ funded by Department of Science and Technology (DST) in India and Research Councils UK (RCUK) Energy Programme in UK (contract no: EP/H040331/1). The authors would like to thank AIST, Japan for installation of test bed.
Version: Published
DOI: 10.1007/s40095-015-0190-0
URI: https://dspace.lboro.ac.uk/2134/20626
Publisher Link: http://dx.doi.org/10.1007/s40095-015-0190-0
ISSN: 2008-9163
Appears in Collections:Published Articles (Mechanical, Electrical and Manufacturing Engineering)

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