Abstract
PV solar energy is the upcoming king of the energy source in the world, which is the fastest growing, most available, sustainable, clean, and environmentally friendly renewable energy. The essential characteristic of PV solar energy is generating the maximum power at mid-day. At the same time, the energy demand is high during the daytime. Due to this, PV solar energy replaces the conventional energy demand at peak periods. The sun is the source of PV solar energy, and it changed into electricity directly by using solar cells, which are made from semiconductor materials called silicon. Therefore, PV solar energy plays a crucial role in providing usable energy, and as well as reducing carbon dioxide emissions. However, the solar energy generation systems not achieved the desired efficiency yet, because of many unsolved problems like weather conditions, losses, materials made by and so on. The aims of this paper is to review the current literature on the improvement of the PV solar energy generation system's overall performance. First, to figure out the existing challenges, like environmental factors and natural phenomena that affect the PV solar modules efficiency. Then it presents the techniques that are used to enhance the PV solar modules overall performance. Finally, to propose the best ways and techniques to improve the PV modules efficiency and suggest to further studies.
Highlights
The need for energy worldwide increases rapidly due to the increased population number and technologies
The water spraying technique improved the result, we summarized that the water droplets on the PV solar energy generation performance because it has solar modules decrease the temperature and get colder of the additional benefits and cooling, such as evaporation and PV modules, which made the solar energy generating cleaning of the surface of PV modules [66]
The authors reviewed the recent literature on improving the PV solar energy generation efficiency and power output
Summary
The need for energy worldwide increases rapidly due to the increased population number and technologies. Even though heat energy affects the solar module's performance, increasing the temperature made overheating the PV module and its effects reduces the PV solar power output and efficiency [8]. This article aims to review recent literature on the improvement of the power output and performance of the generating PV solar energy, to analyze different techniques applied to enhance PV solar energy efficiency and research and development (R and D) information. A. Factors affecting efficiency and power output In the non-conventional energy sector, especially PV solar energy generation systems, the main challenges are achieving the desired power output and efficiency; it needs much focus, research, and improvement. Dust accumulation In [20] paper, the authors demonstrated that two polycrystalline PV modules, the first module is considered as reference module, it does not allow to store dust
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