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The effects of dispatch strategy on electrical performance of amorphous silicon-based solar photovoltaic-thermal systems

Listed author(s):
  • Rozario, J.
  • Vora, A.H.
  • Debnath, S.K.
  • Pathak, M.J.M.
  • Pearce, J.M.

Previous work has shown that high-temperature short-term spike thermal annealing of hydrogenated amorphous silicon (a-Si:H) photovoltaic thermal (PVT) systems results in higher electrical energy output. The relationship between temperature and performance of a-Si:H PVT is not simple as high temperatures during thermal annealing improves the immediate electrical performance following an anneal, but during the anneal it creates a marked drop in electrical performance. In addition, the power generation of a-Si:H PVT depends on both the environmental conditions and the Staebler–Wronski Effect kinetics. In order to improve the performance of a-Si:H PVT systems further, this paper reports on the effect of various dispatch strategies on system electrical performance. Utilizing experimental results from thermal annealing, an annealing model simulation for a-Si:H-based PVT was developed and applied to different cities in the U.S. to investigate potential geographic effects on the dispatch optimization of the overall electrical PVT systems performance and annual electrical yield. The results showed that spike thermal annealing once per day maximized the improved electrical energy generation.

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File URL: http://www.sciencedirect.com/science/article/pii/S0960148114001207
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Article provided by Elsevier in its journal Renewable Energy.

Volume (Year): 68 (2014)
Issue (Month): C ()
Pages: 459-465

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Handle: RePEc:eee:renene:v:68:y:2014:i:c:p:459-465
DOI: 10.1016/j.renene.2014.02.029
Contact details of provider: Web page: http://www.journals.elsevier.com/renewable-energy

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  1. Kalogirou, Soteris, 2003. "The potential of solar industrial process heat applications," Applied Energy, Elsevier, vol. 76(4), pages 337-361, December.
  2. Pathak, M.J.M. & Sanders, P.G. & Pearce, J.M., 2014. "Optimizing limited solar roof access by exergy analysis of solar thermal, photovoltaic, and hybrid photovoltaic thermal systems," Applied Energy, Elsevier, vol. 120(C), pages 115-124.
  3. Chow, T.T., 2010. "A review on photovoltaic/thermal hybrid solar technology," Applied Energy, Elsevier, vol. 87(2), pages 365-379, February.
  4. Branker, K. & Pathak, M.J.M. & Pearce, J.M., 2011. "A review of solar photovoltaic levelized cost of electricity," Renewable and Sustainable Energy Reviews, Elsevier, vol. 15(9), pages 4470-4482.
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