Abstract
Offshore wind power is an important of source renewable energy. As a new technology, the one-step integrated transportation and installation technology of offshore wind power has broader application prospects. In order to ensure stability during the towing process, it is necessary to study the behavior of the wind turbine transportation structure. The numerical model of the specialized transportation vessel was set up by MOSES software. An analysis in the frequency domain and time domain was conducted considering the effects of draft, speed, and wave height on the towing stability of the wind turbine transportation vessel. The results show that the one-step integrated transportation method can ensure stability of the wind turbine during the towing process. Reducing draft, increasing speed, and increasing wave height will reduce the towing stability of the wind turbine. In the practical towing process, the combination of various adverse situations will be avoided.
Highlights
Offshore wind power is an important source of renewable energy
This paper aims at simulating the stability of the integrated unit by MOSES during the wet-towing process while considering the effects of draft, speed and wave height
There are many factors affecting the towing stability of the wind turbine
Summary
The conventional construction of offshore wind turbine structures has processes including installing the foundation, and hoisting the tower and wind turbine. Europe is the world leader in offshore wind power construction using new technology of floating-to-site offshore bottom-fixed foundations to build the wind turbines. Bucket foundations are widely used in many wind power projects, such as Deutsche Bucht Pilot [4], Hywind Scotland and the Aberdeen Offshore Wind farm [5]. The CBF, which has a large diameter and a called a composite bucket foundation (CBF), since 2009. The CBF, which has a large diameter and a relatively small bucket height, can be used for offshore wind turbines. CBF has construction at the has reasonable under construction at the Sanxia Dafeng offshore wind farms since 2018.
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