Impacts of the shading-type building-integrated photovoltaic claddings on electricity generation and cooling load component through shaded windows
Sun, L. L. and Yang, H. X.
2010 Energy and Buildings, In Press, Corrected Proof, Available online 17 October 2009,
Shading-type building-integrated photovoltaic claddings; Electricity generation; Cooling load; Shaded window
Sun, L. L. and Yang, H. X., (2010), "Impacts of the shading-type building-integrated photovoltaic claddings on electricity generation and cooling load component through shaded windows", Energy and Buildings, In Press, Corrected Proof, Available online 17 October 2009,.
Abstract:
The shading-type building-integrated photovoltaic (BIPV) claddings can act as power generators as well as external shading devices of a building, which reduce the energy consumption of the building. However, there is little information about energy impacts of different tilt angles of the shading-type BIPV claddings. By considering the typical meteorological conditions of Hong Kong, the energy performance of the shading-type BIPV claddings, in terms of the electricity generation and the cooling load reduction, is analyzed in this paper. The optimum tilt angle of PV modules for maximum electricity generation is found to be 20[degree sign] instead of local latitude. Combining electricity generation and cooling load reduction, it can be concluded that the optimum tilt angles for the first type of the shading-type BIPV claddings vary from 30[degree sign] to 50[degree sign], while the optimum tilt angle for the second type is 0[degree sign].
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