Equipment
Mingyang Intelligent successfully rolled off the first domestic floating unit!
Seetao 2021-05-27 17:24
  • The floating unit independently developed by Mingyang Intelligent successfully rolled off the assembly line
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On May 26, the first domestic floating unit-MySE5.5MW anti-typhoon floating unit independently developed by Mingyang Intelligent-was assembled and tested at the Mingyang Intelligent Yangjiang base, marking the first domestic offshore unit. The floating test prototype will be installed and applied soon. The Three Gorges Yangjiang Shaba project using this floating wind turbine will become the first national-level floating demonstration project, and it will also lay a solid foundation for the development of my country's deep-distance offshore offshore wind power projects and the integrated development of offshore wind power, marine ranches, and seawater hydrogen production. basis.

In response to this floating project, Mingyang Intelligent is committed to researching key technologies such as environmental applicability analysis, offshore floating wind turbines and their control strategy research and development, basic platform and mooring system fully coupled and integrated simulation calculation and other key technologies, forming an offshore The overall design scheme of semi-direct drive floating wind turbine.

In the research and development process of offshore floating large megawatt units, based on the consideration of harsh environments such as South China Sea typhoons and extreme waves, Mingyang Intelligent carried out in-depth research and customized design of floating wind turbine technology. Integrating the design specifications of DNV GL and IEC floating wind turbines, using the detailed observation data of wind resources and hydrology at the project site, to realize the integrated and fully coupled time-domain simulation simulation of wind turbine-floating body-mooring, forming a mature floating wind turbine Basic fully coupled integrated simulation design platform.

Using the simulation platform, Mingyang Intelligent can accurately obtain the load data of the blades, pitch and yaw system, transmission system, tower and foundation. Through the analysis of data and the control technology based on model prediction, the problem of large load of the floating wind turbine is greatly reduced and the power generation is increased accordingly. Mingyang Intelligent has also developed a floating body motion control strategy that enables the floating unit to adapt to the South China Sea wind, waves, currents and other complex environments. At the same time, it also optimizes the unit's hydraulic lubrication and cooling system and yaw system to solve the problem of pitch angle (pitch). The impact on the lubrication oil return of the transmission chain of the unit.

It is worth mentioning that offshore floating wind turbines give full play to the advantages of semi-direct drive.

High reliability: The medium-speed gearbox of the unit is similar to the aero-engine gearbox. This medium-speed transmission scheme can not only reduce the friction and impact caused by the high-speed rotation of the gear, but also reduce the damage to the bearing. In addition, the gearbox and bearing transmission components adopt the Mingyang intelligent transmission system jet lubrication solution, which effectively solves the problem of lubrication reliability in the pitching motion of the floating fan.

Ultra-compact: a smaller volume reduces the windward force area, and a lighter weight facilitates a better stable design of the floating fan.

Strong resistance to typhoon: continue to give play to the excellent anti-typhoon genes of Mingyang Intelligence, and continue the ability of offshore crews to use and control typhoons.

Based on these advantages, Mingyang Intelligent has the ability to provide a floating wind turbine with reasonable load transfer, safe structure and smooth motion response for the deep sea typhoon area. It is committed to providing safe, reliable, cost-controllable, and excellent power generation performance for the Yangjiang Shaba project. Solutions for deep-sea wind turbines.

With the development of offshore wind power, floating offshore wind turbines are an inevitable choice for future development. The use of floating foundations, coupled with the blessing of innovative wind power technologies and semi-direct drive large megawatt units, can effectively improve the economics of offshore wind power development. Create more value for investors. In the future, Mingyang Intelligent will continue to explore solutions for floating wind turbines in shallow water and deep water that can overcome typhoons and adapt to China's unique geological and hydrological conditions, and contribute to the development of China's deep sea offshore wind power. Editor/Baohongying

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