Abstract
This paper explores the problem of overheating of solar modules as a result of exposure to sunlight. An increase in temperature above the standard leads to the degradation of solar modules and their premature decommissioning. Cooling the working surface is a key factor that must be considered in order to achieve higher efficiency in the operation of solar photovoltaic systems. Based on the considered methods of cooling and removing excess heat from the surfaces of the modules, an inexpensive and technologically advanced method for protecting solar modules from overheating using holographic films was proposed. The article presents the results of comparative laboratory tests of solar modules using such a holographic thermal protection. It is shown that when using a film, the SM performance does not change, and in some cases even gets better. The surface temperature of the module depends on the angle of its inclination to the horizon, which must be taken into account when choosing the location of installation of solar power plants. The experiments confirmed the assumption of effective protection of the modules from overheating using holographic thermal protection and showed its promise.
Highlights
One of the most common renewable energy production technologies is the use of photovoltaic (PV) systems that convert sunlight into usable electrical energy [1,2]
To protect solar modules from overheating at elevated temperatures, we proposed the use of holographic films
The performance of solar modules largely depends on the climatic conditions of operation and such parameters as solar radiation, ambient temperature, wind speed, relative humidity, dust, etc
Summary
One of the most common renewable energy production technologies is the use of photovoltaic (PV) systems that convert sunlight into usable electrical energy [1,2]. In addition to the advantages demonstrated by photovoltaic technology, this conversion system has some common problems, such as hail, dust, and the working surface temperature, which can negatively affect the efficiency of solar modules and power plants in general [5]. To satisfy the law of conservation of energy, the remaining solar energy is converted into heat The consequences of this lost heat lead to a decrease in the overall conversion efficiency. The problem of reducing the overheating of modules must be solved simultaneously with the solution of the problem increase their productivity This issue is especially relevant for areas with electricity shortages and high solar insolation
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