Design and hydrodynamic analysis of wave resistant floating photovoltaic floating system
With the proposal of the dual carbon target,the development prospects of offshore green energy are very broad.Floating photovoltaic is a technology that arranges solar panels on the water surface to collect solar energy,with some unique advantages.This article proposes a wave resistant semi submersible floating photovoltaic design scheme.This scheme can be designed and assembled in a modular manner,with a single module photovoltaic installed capacity of 0.25 MW;Ac-cording to the actual design needs of the sea area,it can be arranged in an array consisting of two or more modules.The con-nection between modules adopts rubber ring elastic connection,which reduces the connection load and module collision while controlling relative motion and safety;The mooring system adopts a three-stage combination anchor chain tensioning mooring scheme,which has the advantages of less anchor radius and better adaptability to tidal ranges;In the article,a cer-tain offshore area is used as the application area,and the wave level is selected as level 6 waves and the wind level is selec-ted as level 12 wind to analyze the hydrodynamic performance of dual module floating photovoltaics.Based on the three-di-mensional potential flow theory,a time-domain fully coupled analysis was conducted on the proposed wave resistant float-ing photovoltaic equipment,obtaining the hydrodynamic characteristics,mooring cable forces,and connection structure forces of the two modules in the equipment under given sea conditions,and conducting a safety assessment.
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