In this study, a floating photovoltaic platform for deep-sea environments is designed based on the concept of OC4 semi-submersible wind turbine platform, and its hydrodynamic characteristics are thoroughly analyzed by applying the potential flow theory. The study focuses on the performance of the single floating photovoltaic platform under normal and extreme conditions, and investigates the motion response of the platform and the change of mooring performance after the breakage of a single mooring. The results show that under both normal and extreme conditions, the breakage of the mooring cable on the wave-facing side has the most significant effect on the platform motion, while the newly designed mooring system of the offshore floating photovoltaic platform still meets the safety factor standard under the extreme conditions. This study not only ensures the stable operation of the platform under complex sea conditions, but also provides technical reference and guidance for the design and practical application of offshore floating photovoltaic platforms.

floating photovoltaic platform  /  mooring system  /  dynamic response  /  numerical simulation  /  wave loads  /  mooring line failure