Abstract
With the development of bifacial PV (BPV) panels, many researches were dedicated to techno-economic analysis of PV power plants with vertically placed BPV panels – VPV power plants. This paper presents an analysis of the impact of a horizontal reflector, various reflection coefficients of reflectors placed between PV rows on the techno-economic parameters of a VPV power plant. Having in mind that the focus of this paper is a VPV power plant of big installed power, some typical characteristics of such power plant were taken into account. VPV power plants are characterized by relatively big distance between PV rows, what implies that horizontal reflectors placed between PV rows have relatively big areas. The techno-economic characteristics of a VPV power plant with horizontal reflectors placed between PV rows with various reflection coefficients were tested through various indicators of a power plant’s efficiency. Besides the impact on annual production and reduced production costs, the impact of reflectors on the profile of a typical daily diagram and the changes in power production during a day was also analyzed. Also, based on real hourly prices of electricity, the impact of reflectors was tested on the correlation factor between a VPV power plant’s production and the price of electricity. The results of research presented in this work can serve designers of such power plants, while operators of systems have an opportunity to see the impact of VPV power plants with reflectors on energy systems more deeply.
Published Version
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