Wind-wave-fish high stability integrated system

By installing a helical wave energy generator and a layered marine fishing net below the floating wind turbine platform, the stability and mutual support issues between the deep-sea floating wind turbine and the wave energy device were solved. This enabled the platform to achieve efficient sway reduction, rocking reduction, and energy sharing, thereby reducing operation and maintenance costs and improving the overall performance of the system.

CN121799569BActive Publication Date: 2026-08-18POWERCHINA RENEWABLE ENERGY CO LTD +1
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Patent Information

Application Number
CN202511515898.0
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-10-22
Publication Date
2026-08-18
Estimated Expiration
2045-10-22

AI Technical Summary

Technical Problem

Existing technologies make it difficult to achieve efficient mutual support between deep-sea floating wind turbines and wave energy devices. Traditional control strategies have limited improvement in roll and pitch stability. Aquaculture equipment has poor wind and wave resistance. The repeated construction of independent systems leads to high costs and the inability to share operation and maintenance resources. The lack of standardization in modular construction and intelligent control technologies hinders large-scale application.

Method used

Design a high-stability integrated system for wind, waves, and fishing. By installing a helical wave energy generator and a layered marine fishing net below a floating wind turbine platform, the system optimizes the interaction between the net and the water flow by expanding and contracting the net. Combined with the biological killing effect and high-density characteristics of the copper net, the system reduces the platform's swaying and rolling, and shares the power grid and mooring facilities, as well as operation and maintenance resources.

Benefits of technology

It improves the stability of the floating platform in all degrees of freedom, extends equipment life, reduces costs, realizes efficient energy exchange and sharing of operation and maintenance resources, and enhances the overall power generation efficiency and wave resistance of the system.

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Abstract

The application discloses a wind-wave-fish high-stability integrated system, which comprises a floating wind turbine platform, a heaving wave power generation device and a marine fishing net; the heaving wave power generation device is installed at the center of a floating cylinder of the floating wind turbine platform; the heaving wave power generation device captures energy by vertical oscillation movement of the floating wind turbine platform under the action of waves and converts the energy into electric energy; and the marine fishing net is fixed to the base of the floating wind turbine platform. The application can realize deep-sea marine culture and further reduce heaving and rolling of the floating wind turbine platform.
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