On March 5, 2022, the much-anticipated "(The 6th) China Offshore Wind Engineering and Technology Conference " was grandly held in Hangzhou Baosheng Water Expo Hotel.

On March 6, 6 parallel professional forums were successfully held during the conference, and technical exchanges and in-depth discussions were organized around the fields of offshore wind power policy, survey and design, construction and installation, operation and maintenance monitoring, and industrial integration.

The foundation of offshore wind turbines is the final part that bears and transmits wind turbines and various environmental loads, and plays a very important role in ensuring the safe and stable operation of wind turbines under various loads. In sub-forum I, industry experts focused on offshore wind power load calculation, support structure design and geotechnical engineering related technologies, from the mechanical performance and design method of wind turbine prestressed concrete tower, offshore wind power cemented riprap anti-scour technology, tube. The key technologies of negative pressure sinking and laying of foundations, and wind load calculation of offshore anemometer towers were studied and discussed; and based on engineering applications and practical cases, the foundation type solutions for deep-sea offshore wind power in the Taiwan Strait of Fujian Province, advanced pile-soil interaction, etc. were discussed in depth. The effect of action model on load and weight reduction, engineering application of suction bucket foundation, key elements of geotechnical analysis of deep-sea mooring foundation, interaction between offshore wind power foundation and soil, and single pile wall thickness control standard based on construction conditions .

↑ Sub-forum I: Offshore Wind Technology on Load Analysis, Design of Supporting Structure and Geotechnical Engineering

In sub-forum II, industry experts focused on offshore wind power flexible DC transmission technology, booster station design and construction, from key technologies of flexible DC transmission system, super-capacity 500kV DC submarine cable system, flexible DC transmission project offshore converter station design, sea rise. The key technologies were discussed in terms of construction technology of pressure station, research and application status and prospect of flexible DC submarine cables; In terms of the overall AC/DC hybrid transmission scheme of large-scale offshore wind power clusters, and the engineering application of offshore wind power flexible DC control and protection systems, the engineering applications and key challenges are systematically discussed.

↑ Sub-forum II: Offshore Wind VSC-HVDC technology, Substation Design and Installation

The cross-border cooperation and diversified integrated development of offshore wind power is conducive to the establishment of a diversified business model, creating a marine ecosystem and improving the investment income of offshore wind power. In sub-forum III, industry experts focused on the integrated development of the offshore wind power industry (energy storage, hydrogen production, seawater desalination, etc.), combined with international offshore wind power project cases and development experience, and comprehensively discussed the design and key points of the integrated development system of offshore wind power and marine ranching. Technology, comprehensive utilization of offshore wind power and marine aquaculture sea area, hydrodynamic calculation and impact analysis of the integrated structure of offshore wind and fishery, development of marine energy system in the face of offshore wind parity era, exploration of integrated development of offshore wind power and marine oil and gas, front of wind turbine blades Edge protection technology, technical route and development of offshore projects in Vietnam, long-term anticorrosion of offshore wind power, improvement of risk management level of offshore wind power projects, etc.

↑ Sub-forum III: Integrated development of offshore wind power industry， International offshore wind power development

my country's offshore wind power is developing in the direction of large-scale units and far-reaching seas. The core technology of large components of wind turbines and the key technologies of floating wind turbines have become one of the key directions for my country's offshore wind power technology in the future. In sub-forum IV, industry experts focused on topics such as large-capacity offshore wind power units, large components, deep sea and floating, from the support structure of large-capacity units and their engineering disaster prevention, modal localization of wind turbine blades and structural health monitoring, corrosion. Environmental prediction assessment and application, tower technology status and development trend, Baosteel high-performance wind power steel development and user solutions, floating wind turbine design analysis, key technologies for the practice of the first “Double 40” offshore wind power project in China, floating offshore wind power prototype The overall design and thinking of the project "Three Gorges Leader", the support structure solutions and key technologies for deep-sea offshore wind turbines, the basic bearing performance of floating wind turbines' shared anchor point, and the PBU of LM leading edge protective film, combined with my country's leading engineering and technical experience , discusses the core technologies and their challenges and innovation directions.

↑ Sub-forum IV: Offshore Wind power large capacity units, large components, far-reaching sea and floating

Good offshore wind power construction and installation technology, warehousing and transportation supply capabilities, and ship and machinery equipment matching capabilities can improve the construction speed of offshore wind power, improve construction quality, reduce costs, and ensure safety; good operation and maintenance technology is conducive to improving unit operation and maintenance capabilities. , reduce operation and maintenance costs and improve the benefits of offshore wind farms. In sub-forum V, industry experts focused on offshore wind power foundation construction, shipping, transportation, installation and operation and maintenance technologies, and from the 10,000-kilowatt offshore wind turbines' demand for construction and installation equipment, suction jacket foundation suction penetration, jack-up Safe and efficient construction of wind power installation platforms, challenges and transformation of offshore wind power construction in my country in the next ten years, key technologies and typical cases of submarine cable laying, acceptance services of certification bodies for offshore wind farm projects, summary and thinking about rush-loading tidal offshore wind power transportation, offshore There were extensive discussions and experience exchanges on the design specifications for the online monitoring system of the fiber optic composite submarine cable for wind farms, and the forecasting and monitoring solutions for floating wind power systems.

↑ Sub-forum Ⅴ: Offshore Wind Foundation, Vessels,Transportation, Installation and O&M Technology

All-round, full-chain and high-precision marine environmental information forecasting and assessment is crucial for the early development and later operation and maintenance of offshore wind power projects. In sub-forum VI, industry experts focused on offshore wind resources and post-assessment, marine hydrological monitoring and marine environment assessment, research on extreme meteorological parameters for offshore wind power design, fine wake simulation and analytical modeling in complex offshore atmospheric environments, post-project based on project technology. Evaluation of wind turbine arrangement optimization method in offshore wind farms, wind turbine wake based on UAV wind measurement and post-assessment of wind resources, offshore wind resource assessment based on WRF numerical model, based on scanning radar to measure the wake characteristics of offshore wind farms Research, offshore wind farm operation and maintenance environment prediction and post-evaluation technology platform, high-precision wind resource grid data BLOCKS technology for offshore wind farms, Xuwen offshore wind farm seabed scouring and silting and local scouring changes research and other research results have been in-depth. exchange and discussion.

↑ Sub-forum VI: Offshore Wind Resource Assessment, Marine Hydrological Monitoring and Marine Environmental Assessment

"China Offshore Wind Engineering and Technology Conference" is an industry summit focusing on the discussion and exchange of offshore wind power engineering technology. Colleagues from the government, scientific research institutes, wind power developers, design institutes, OEMs, certification and consulting agencies, construction and hoisting units, operation and maintenance companies, wind resources and meteorological observations who are concerned about the offshore wind power industry gathered together to explore offshore wind power Develop new ideas, innovate new models of offshore wind power engineering construction, promote the continuous progress of offshore wind power technology, and gather strength for the healthy development of the offshore wind power industry!