| 摘要 |
The present invention provides a method for installation of an offshore wind turbine, comprising a step for prefabrication of a foundation, a step for installation on the dock, a step for transportation and a step for offshore installation. The foundation provides buoyant force and uprighting force to the entire structure so as to keep it upright without external forces; the step for installation on the dock comprises assembling into the complete set, and finishing the test in a state of complete set; in the step for transportation, the complete set is transported to the offshore site in a way of floating on the water; the step for offshore installation comprises sinking the complete set onto the sea bed by gravity on the offshore site, and fixing the foundation to finish the installation. The present invention also provides a method for recovery of an offshore wind turbine, which is performed generally in steps reversed to the method for installation. The one-step installation and disassembly for the complete set can be realized according to the method of the present invention, which has low risk for damaging the wind turbine complete set, with convenience and high efficiency, and greatly reduces the cost, and moreover, is environment-friendly.
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