Abstract
Floating Photovoltaic (FPV) systems face dual challenges of structural reliability and high electricity costs in offshore deployments, hindering their widespread adoption. Integrating FPV with Floating Offshore Wind Turbines (FOWT) offers a promising solution to these challenges. A hybrid wind-solar system is proposed, leveraging mathematical modelling and simulation, with FPV system inheriting dynamic states from FOWT and employing a shared DC bus for power generation. Key findings reveal reduced power variation as solar elevation angle increases, with photovoltaic efficiency declining near the complementary angle of PV tilt offset. The FPV system demonstrates resilience to platform movements, ensuring over 97% efficiency even under significant wave heights. Additionally, greater pitch motion enhances power complementary effects between wind and solar energy. A proposed tilt offset control strategy effectively compensates for power fluctuations, particularly at lower wind-solar azimuth angles and higher solar elevation angles. Real-world based simulation in the Taiwan Strait validates these findings, emphasizing the potential of wind-solar coupled platforms for optimizing renewable energy performance in coastal regions.
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