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Influence of cover ratio of PV cells and glass cover on the performance of the PV solar assisted heat pump

  • Dept. of Thermal Science and Energy Engineering, University of Science and Technology of China, Hefei 230027, China

Cite this: JUSTC, 2009, 39(1): 43-49
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  • Received Date: August 15, 2007
  • Revised Date: November 07, 2007
  • Published Date: January 30, 2009
    Abstract
  • The PV solar assisted heat pump (PV-SAHP) can generate electricity and thermal energy from solar radiation simultaneously. Change in the cover ratio of PV cells leads to an opposite influence on the photovoltaic and thermal performance: the increase of the PV cells cover ratio is advantageous to the photovoltaic process but adverse to the photothermic process. Additionally, the use of glass cover also leads to a similar influence. To evaluate the performance of PV-SAHP, based on the dynamic distributed parameter model of the system and the second law of thermodynamics, the effects of PV cells cover ratio and glass cover were contrastively analyzed. The results show that the increase of the PV cells cover ratio is advantageous to the performance of the system, while the use of glass cover is adverse to the performance of the system.
    The PV solar assisted heat pump (PV-SAHP) can generate electricity and thermal energy from solar radiation simultaneously. Change in the cover ratio of PV cells leads to an opposite influence on the photovoltaic and thermal performance: the increase of the PV cells cover ratio is advantageous to the photovoltaic process but adverse to the photothermic process. Additionally, the use of glass cover also leads to a similar influence. To evaluate the performance of PV-SAHP, based on the dynamic distributed parameter model of the system and the second law of thermodynamics, the effects of PV cells cover ratio and glass cover were contrastively analyzed. The results show that the increase of the PV cells cover ratio is advantageous to the performance of the system, while the use of glass cover is adverse to the performance of the system.
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