Abstract
Creating the correct maintenance of the strings that form the electric generators, from a photovoltaic park, it requires scanning of the equipment with thermal vision cameras, in the visible and infrared field, at an optimum angle determined precisely for each location depending on the geographic position and the architecture of the power station. In general, this angle is difficult to maintain from the ground so it is necessary to mount the cameras on a support, or most efficiently on a multi-rotor drone that is very stable and easy to handle. Maintenance using multi-rotor drones and heat sensitive cameras is no longer a novelty and has multiple advantages: low costs, minimization of work accidents, and the data acquired can be analyzed in real time or can be stored for later analysis. But this process also has disadvantages: limited flight autonomy of drones, generated by the hard development of battery technology and a small number of specialized personnel in this field. To minimize these disadvantages, we have developed an automatic recharging system of batteries, without disconnecting them, which allows the automation of the scanning process and offers the possibility of taking control of the drones and from a distance.
Highlights
Romania has an estimated solar energy potential of 1433 thousand TEP, the equivalent to 60 x 106 GJ / year and 103.2 thousand TEP electricity, which is about 1200 GWh / year
Due to its geographical position and the diversified structure of the relief forms, Romania is well suited to all renewable energy sources, and from the point of view of solar energy, our country has a potential with over 60% sunny days, that is 210 days out of a total year, almost 20% better than Germany, which has long been a leader in the field. [4, 6, 8, 10]
According to Transelectica, 962 photovoltaic parks were built in Romania between 2013 and 2017, representing approximately 4,871.66 MW installed power
Summary
Romania has an estimated solar energy potential of 1433 thousand TEP, the equivalent to 60 x 106 GJ / year and 103.2 thousand TEP electricity, which is about 1200 GWh / year. Due to its geographical position and the diversified structure of the relief forms, Romania is well suited to all renewable energy sources, and from the point of view of solar energy, our country has a potential with over 60% sunny days, that is 210 days out of a total year, almost 20% better than Germany, which has long been a leader in the field. According to Transelectica, 962 photovoltaic parks were built in Romania between 2013 and 2017, representing approximately 4,871.66 MW installed power. [6, 8, 10, 11] As all these photovoltaic parks are approaching half their lifetime, depending on the quality of the installed photovoltaic panels, concrete measures are required to manage the possible defects that are assimilated with this type of plants. The previous picture shows a small installation, located on the terrace of the laboratory body, of INCDE ICEMENERG, with PIF in 2007, in which tests were performed on its equipment
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