Abstract
This study was aimed at investigating a floating solar photovoltaic (FPV) system by numerical and experimental simulations under wave and wind loads to analyze the motion characteristics of the platform, the tension of the mooring line, and the pressure and uplift coefficient of panels at 2.5 m/5 m water depth conditions. The floating platform was installed with four rows of solar panels, each row with five panels, attached with four catenary types of mooring lines at the corner of the platform. The numerical model was based on ANSYS AQWA and ANSYS FLUENT (ANSYS Inc., Canonsburg, PA, USA). The experiment model was a scaled FPV platform with four rows of panels scaled in the 1:4 scale ratio. The results obtained from the experiment and numerical simulation achieved a good agreement. The results show that under normal sea conditions, the FPV system may resonate in a high frequency of wave condition, and a larger lift force occurred at the windward surface. Under extreme sea conditions, the pitch motion of the floating platform changed about ±6° without overturning; however, the wind will cause a large drift of the floating platform and the vortex area formed, which will cause damage to the solar panel.
Highlights
The numerical results include the response of platform motion,tensions, mooring tensio and the surface coefficients ofcoefficients solar panelsofunder and windwave combined and pressure/uplift the surface pressure/uplift solarwave panels under and wind co effect
In the numerical t natural period corresponding to the direction of heave, roll, and pitch were 1.0 s, 1.0 s, and the natural period corresponding to the direction of heave, roll, and pitch were 1.0 s, 1.4 s, respectively
The reason was that the water in was another peak that occurred in 1.4 s (0.7 Hz) in the pitch direction
Summary
±6◦ without overturning; the wind will cause a large drift of the floating platform and the vortex area formed, which will cause damage to the solar panel. This increase is being driven by the sensational development of the photovoltaic (PV) sector, which has registered a rate of growth of 45% [3]. Floating solar photovoltaic (FPV) systems are the mainstream form of electricity generation [6]. With the increase in energy demand, the concept of FPV systems established in near/offshore areas is proposed [1,7,8].
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