Impact of Reflectors on Photovoltaic Panel Performance (original) (raw)
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Analysis the effect of reflector (flat mirror, convex mirror, and concave mirror) on solar panel
International Journal of Power Electronics and Drive System (IJPEDS) , 2019
At the time of the sun a straight line with solar cells may not necessarily produce the maximum output. Various ways continue to be done in order to get the maximum output. The maximum utilization of output from solar cells will accelerate the function of the solar cell. The use of reflectors is an excellent way to maximum output with effective time. The author will analyze solar cells with flat mirror, convex mirror, concave mirror, and without reflector. Each reflector is given varying treatment by calibrating the angle of the reflector to the solar cell by 60 o , 90 o , and 120 o. After testing and data retrieval turns reflector very influential on the output of solar cells. The solar cell output power increases with each different reflector. Maximum output is obtained in a concave mirror with an angle is 90 o .
The performance of the solar photovoltaic panels relies on its direction and tilt angle with respect to the horizontal to obtain better conversion efficiency. The tilt angle of the PV panel needs to be in proper location and position to obtain maximum power output from photovoltaics. The optimum tilt angle is generally calculated based on global, diffused, and direct radiation on the horizontal surface. This study focuses on the concept of the optimal tilt angle that improves the performance of the PV panel. The paper discusses the MATLAB mathematical modelling and experimental validation conducted at Nitte, India to determine the optimal tilt angle of PV panels of the region for maximum solar radiation. The investigation also includes the effect of three different types of reflectors on the PV panel for the obtained optimal tilt angle. The experimental results show that to get the optimum power output, the tilt angle needs to be changed every month. Hence monthly optimal tilt must be chosen for optimum power output. The results showed a PV panel with a focused mirror reflector produced higher power output compared to aluminum and stainless-steel reflectors.
Journal of Applied Science, Engineering, Technology, and Education
The addition of reflectors to solar panels is used to increase the intensity of sunlight received by solar panels so that the electrical power generated by the panels increases. In adding reflectors to solar panels, they must consider various factors to be able to increase the power generated without having a negative effect on solar panels , one of which is providing a cooling system. Therefore, research is needed to increase the power generated by solar panels and cooling systems that are suitable for overcoming rising temperatures due to the addition of reflectors. The study was conducted by varying the glass mirror reflector, aluminum foil reflector, angle of the reflector, and heatsink-fan cooling system. The research method used in this study was to compare 2 solar panel models, namely: solar panels with the addition of glass mirror reflectors / aluminum foil and heatsink-fan cooling systems, and solar panel models without any addition. The result...
2021
Increasing generated power of PV panels is a major issue. Solar reflectors could be one of the cheapest and easiest ways to increase that power. It's lower in cost than adding more solar PV panels. By modeling a Simulink-MATLAB test module, to be derived from the real input factors. The measured and (estimated by calculations) components of irradiance are important for PV system modeling, and a dataset of hourly dropped irradiance, and some other meteorological records were collected from February 2013 till the time of writing this paper. This paper presents the differences in the power ratio of the 3 types of PV modules before and after applying reflecting panels, the type of commercial reflector is (semi-diffuse, flexible reflector made of an aluminized PET laminate). The values of short circuit current Isc and open-circuit voltage Voc were measured under different conditions. Data can be used to validate the comparison between the theoretical and real calculations of the outp...
MANUFACTURING OF SUN TRACKING AND REFLECTOR SYSTEM TO SUITABLE PV PANEL UNDER EGYPTIAN CONDITIONS
Misr Journal of Agricultural Engineering,, 2017
Egypt has a high potential of solar energy, which can be considered as a reliable energy source during most of year because it lies within the subtropical regain. Sun tracking and reflector System was designed in Agricultural Engineering Dept., Faculty of Agric., Kafrelsheikh University and performed in summer and winter 2010/2011 at Rice Mechanization Center (RMC), Meet El-Deyba, Kafr El-Sheikh Governorate Egypt. Therefore, the main objectives of the present study were: to design sun tracking system of the photovoltaic modules horizontally and vertically with reflector under different operation conditions. The treatments were panel temperature in (summer and winter), daily solar radiation, panel tilt angles: (0⁰-20⁰-30⁰ in summer) and (0⁰-30⁰-50⁰ in winter), panel orientation: (toward south along daytime-sun tracking from east to west) and using mirror as reflector of sun rays. The results illustrated that, by increasing panel temperature tended to decrease both of maximum output power PV and panel efficiency at constant of solar radiation. By increasing solar radiation from 200 to 911.39W/m 2 tended to increase both of maximum output power PV and panel efficiency by 77.18 and 7.91%, respectively at PV temperature of 30⁰C. The best performance of panel was achieved when panel was sun tracking from east to west at panel tilt angle of 20⁰ in summer and 50⁰ in winter. The values of daily collected radiation, maximum output power and panel efficiency were 683.22W/m 2 , 98.18W and 9.69% in summer and 518.85W/m 2 , 87.73W and 11.669 % in winter, respectively. The gain in collected radiation and output electric power due to sun tracking was higher than the gain in collected radiation and output electric power due to change the tilt angle. The benefit ratio of-582-collected radiation is higher than the benefit ratio of output electric power for all operations in summer and winter. The performance of the panel improved by the application of the reflector.
Improve the performance of solar modules by reflectors
IOP Conf. Series: Journal of Physics: Conf. Series 1032(2018) 012031, 2018
Solar energy is one of the most significant renewable energy sources, in both its applications thermal and photovoltaic, world needs. Iraq is one of the countries with the abundance of this type of energy, where annual solar activity reaches about 2000kWh / m 2 / year on the horizontal surface. In the present work a solar collectors with V-trough concentrator system were designed and fabricated with geometric concentration ratios two suns to get an extra electric output power. The experiment was carried out in Al-Zwraa Company in Baghdad. The main results indicated that the solar concentrator system caused to increase the short circuit current due to increase the amount of incident solar radiation on the solar modules, and thus increase in output power. As a comparison with reference module, the gain in output power, at solar noon, exceeded 48%. It can be concluded that the use of V-Trough concentrator system coupled with solar module systems can result in a favourable cost-benefit ratio.
Performance of solar modules integrated with reflector
International Journal of Power Electronics and Drive Systems (IJPEDS)
This study investigates experimentally the performance of two-dimensional solar tracking systems with reflector using commercial silicon based photovoltaic module, with open and closed loop control systems. Different reflector materials were also investigated. The experiments were performed at the Hashemite University campus in Zarqa at a latitude of 32⁰, in February and March. Photovoltaic output power and performance were analyzed. It was found that the modified photovoltaic module with mirror reflector generated the highest value of power, while the temperature reached a maximum value of 53 ̊ C. The modified module suggested in this study produced 5% more PV power than the two-dimensional solar tracking systems without reflector and produced 12.5% more PV power than the fixed PV module with 26⁰ tilt angle.
Performance Enhancement of PV Solar System by Diffused Reflection
Various methods are being adopted to enhance the performance of a solar panel. The most common method is to track the sun for performance enhancement. Such method needs complicated control and drive circuits for implementation. Also, the power required for the tracking motor has to be provided by the solar panel and the battery system. Although better performance is achievable by the sun tracker, higher cost and frequent maintenance are required.
2019 IEEE 46th Photovoltaic Specialists Conference (PVSC), 2019
This work describes a plane of array irradiance (GPOA) estimation study performed for a PV system equipped with flat reflectors. In fact, adding planar reflectors in front of the PV arrays will result in an increased GPOA reaching the panel’s surface. This paper focuses on the GPOA study for a PV-Reflector system architecture in six different geographical locations. The study was conducted over a five years period of time and under various weather conditions. An analytical model was developed and experimentally validated for that purpose allowing the estimation and assessment of the GPOA for such system. Therefore, the study was performed according to an architectural optimization approach considering several geometrical variations in order to achieve the highest plane of array irradiance. The highest annual gain in GPOA added by the reflectors was obtained for Athens (35%) and regions with close latitudes showed quite similar results.