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Presently, solar panels represent one of the possible alternative energy sources in our climate zone. They can be located on the roofs of buildings, but also on the ground as solar power plants. Depending on the shape of the terrain, various geometric panel assemblies have been designed to obtain maximum energy from the sun and to use the available lands. Design and arrangement of photovoltaic (PV) and photothermal (PT) panels, generally called the solar collectors, is mainly affected by the electric and thermal efficiency of collectors. Only a limited research was done on the wind loads of panels and their supporting structures so far. Designers of PV panels often use applicable standards, in our region the STN EN 1991-1-4 [18, 19] in which the panel is considered as a monopitch canopy. Early wind studies describing the experimental investigation of ground mounted solar collectors and their supporting systems were published by Miller and Zimmerman [14]. They focused on the techniques to predict dynamic response and the structural dynamic loads of PV panels due to the wind turbulence. They identified, that the largest response and dynamic magnification factor occurred at mid chord location on an array and near the trailing edge. A significant decrease of wind loads was observed on interior to the array field.

Numerical and experimental determination of wind load on photovoltaic panel assemblies