Abstract
A building-integrated photovoltaic blind (BIPB), in which blind and PV system is combined to generate energy in the building exterior and reduce the heating and cooling load in building by shading function. This study aimed to establish the optimal control strategy of BIPB slat angle by considering interior illuminance and electricity generation. First, in terms of interior illuminance considering overall light (i.e., daylight and artificial illumination) and electricity generation from BIPB, it was determined that the optimal blind slat angle is 80° at all time. Second, in terms of interior illuminance considering daylight and electricity generation from BIPB, it was determined that the optimal blind slat angle is 10° (9:00), 20° (10:00–11:00, 14:00–15:00) and 30° (12:00–13:00). Based on results of this study, effective use of BIPB can be induced by providing information for optimal blind slat angle to users that are considering BIPB implementation.
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