Analytical expression for electrical efficiency of PV/T hybrid air collector

Swapnil Dubey, G.S. Sandhu and G.N. Tiwari

Applied Energy, 2009, vol. 86, issue 5, 697-705

Abstract: The overall electrical efficiency of the photovoltaic (PV) module can be increased by reducing the temperature of the PV module by withdrawing the thermal energy associated with the PV module. In this communication an attempt has been made to develop analytical expression for electrical efficiency of PV module with and without flow as a function of climatic and design parameters. The four different configurations of PV modules are considered for the present study which are defined as; case A (Glass to glass PV module with duct), case B (Glass to glass PV module without duct), case C (Glass to tedlar PV module with duct), case D (Glass to tedlar PV module without duct). Further, experiments were carried out for all configurations under composite climate of New Delhi. It is found that the glass to glass PV modules with duct gives higher electrical efficiency as well as the higher outlet air temperature amongst the all four cases. The annual effect on electrical efficiency of glass to glass type PV module with and without duct is also evaluated. The annual average efficiency of glass to glass type PV module with and without duct is 10.41% and 9.75%, respectively.

Keywords: Photovoltaic; Electrical; efficiency; Solar; radiation; Thermal; energy (search for similar items in EconPapers)
Date: 2009
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Citations: View citations in EconPapers (52)

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