Photovoltaic support load

Are photovoltaic power generation systems vulnerable to wind loads?

(1) Background: As environmental issues gain more attention, switching from conventional energy has become a recurring theme. This has led to the widespread development of photovoltaic (PV) power generation systems. PV supports, which support PV power generation systems, are extremely vulnerable to wind loads.

Which structural component is most important in photovoltaic module design?

For the case of the photovoltaic module array, it is observed that the wind loading over the leading panels is decisive for the design. According to the numerical results, the central support device is the most critical structural component. 1. Introduction Flow over inclined bluff bodies are of particular interest in wind engineering.

What are the three wind load models for solar panels?

Three wind load models, namely the uniform distribution, trapezoidal distribution, and eccentric moment models, were developed by Ma et al. in terms of the structural features of a solar panel. Gao et al. used computational calculations and wind tunnel testing to investigate the wind field properties of a PV panel support unit.

Does sheltering affect wind loading in a PV module array?

Moreover, it was found that in a PV module array the effect of sheltering on the inner PV modules decreases starting from the second downwind row. Wind tunnel tests (with a model scale of 1:20) performed by Pfahl et al. (2011) demonstrated that the aspect ratio of the panel also affects the wind loading components.

Can wind load models be used to design flexibly supported PV panels?

A wind load model that considered the wind-induced moment was presented based on the nonuniform distribution of wind pressure. This proposed model and its distribution coefficients can be used in designing flexibly supported PV panels. Figure 10. Installation drawing of a rigid model wind tunnel.

How does wind load affect PV power generation?

A wind load accelerates the cooling of PV panels, thereby reducing the cell’s temperature and increasing the power generation efficiency for PV power generation. However, the PV panel generates wind-induced vibration due to the wind load, which can damage the system (Figure 12).