He impact of solar concentration on power generation. In other words, the increase in electric energy generation is greater than the raise in Isopropamide Purity & Documentation thermal losses, resulting in a positive energy balance. 2. Methodology two.1. Geometric Design and style of Reflective Surfaces for PV Panels 2.1.1. Design Considerations A flexible PV panel is viewed as to carry out the geometrical design from the technique. Its dimensions are described in Table two.Table 2. Geometric specifications of versatile PV panels. Dimension Largest side Shortest side Biggest cell module side Shortest cell module side Thickness at module Thickness at J-box Weight Nomenclature L l Lc lc t e w Worth 873 411 760 360 two.two 21 0.eight Unit mm mm mm mm mm mm kgBoth regarded positions for the PV panel are shown in Figure 1. Relating to the orientation, it is actually facing the south axis, then the optimal slope corresponds to the solar midday sun position (Figure two), in order that the solar radiation reaches perpendicularly to the PV panel. So as to raise the solar radiation that impinges in to the PV panel, two reflective surfaces (RS) are added to it. Then av , ah , and the angles amongst RS and PV (,) panel are determined by sun-trace performed in GeoGebra software program.Figure 1. Positions for the PV panel facing to the South axis, plus the fixed reflective surfaces. (a) vertical position. (b) horizontal position.Energies 2021, 14,five ofFigure 2. Optimal slope of PV panels for every single month-to-month characteristic j-day. Location: Lodz, Poland (Latitude: 51.75 ; Longitude: 19.45 , a.a.s.l.: 278 m). Optimal angles were determined by utilizing Geosol open access application [33]. A-L corresponds towards the diverse configuration of PV panels for every single month.2.1.two. Geometric Design A single sun-tracing was performed for the RS style. The configuration for all RS is fixed in relation to the PV panel, as well as the slope of it varies for every single monthly characteristic Julian day. The sizing and configuration of your RS have been performed working with GeoGebra software (69 Altenbergerstra street, Linz, Austria) as can be noticed in Figure 3, at 10 June. For this study, all of the reflected sunrays impinge the whole PV panel extension. Then, it truly is getting each reflected and international radiation. The dimensions in the reflective surfaces and their relative angles in the PV panel are shown in Table 3. These RS dimensions and relative configuration stay invariable throughout the entire year.Figure 3. Geometric design performed by GeoGebra computer software for ten June midday. Each parallel sunrays mark the limit of solar incidence at extreme borders of reflective surfaces (points K and I). Therefore, the direct acceptance and full reflection zones are identified. (a) vertical position. (b) horizontal position.Energies 2021, 14,6 ofTable 3. GeoGebra benefits. Geometry of reflective surfaces. Dimension Top rated RS angle (from panel) Major RS length Prime RS width Bottom RS angle (from panel) Bottom RS length Bottom RS width Symbol cv ; ch av ; ah cv ; ch av ; ah Vertical Position 126.6 400 mm 440 mm 126.six 400 mm 440 mm Horizontal Position 126.6 800 mm 220 mm 126.6 800 mm 220 mmSince the optimal configuration from the PV panel corresponds with the frontal solar incidence, the maximum solar power collection is expected to become at solar midday for fixed systems. For this midday solar position, Figure 3 shows the various acceptance zones for all sunrays that reach the method parallel to the main sunray, that is taken as reference. It truly is firstly identified the direct acceptance range, where t.
