The reporter learned from the Harbin Electric Group on the 13th that at the beginning of the new year, good news came from the Marine Strategic Planning and Economics Department of the Ministry of Natural Resources, Harbin Electric Machinery Factory Co., Ltd., a marine renewable energy fund project "600kW submarine tide power generation" "Machine Manufacturing" passed the acceptance of the expert group, marking the success of China's largest tidal current generator set with a capacity of 600kW, and the development level of China's tidal current units has reached a new level.
The "600kW submarine tidal power generation machine manufacturing" project is a special fund project for marine renewable energy signed by Harbin Electric in 2010 with the State Oceanic Administration. The main goal of the project is to improve the key equipment and equipment of the tidal power generation system in China through special financial support. The technical level and production capacity of the machine manufacturing realize the domestic production of the 600kW submarine tidal power generation machine.
Compared with renewable energy such as solar energy, wind energy, and wave energy, ocean tidal energy has strong regularity, stable energy, and high development value; however, due to energy dispersion, low energy density, and harsh marine environment, the development It is very difficult to effectively develop tidal current generator sets. The successful manufacture of Harbin Electric's 600kW tidal current generator set is of great significance for solving the problems of energy supply in China and even remote islands in the world, the power supply of marine underwater monitoring instruments, and the market application of tidal current.
In the development of the 600kW tidal current generator set, Harbin Electric Motor fully considered the reliability and maintainability of the unit, and innovatively designed the shaft structure to enable personnel to enter the unit for timely maintenance and repair, solving the problem of difficult maintenance of the tidal energy unit ; Adopting advanced technology in the key technologies of unit sealing, anti-fouling and anti-corrosion, transmission system, etc., while improving the unit's operating safety and stability, it also enhances the ability to respond to harsh environments such as typhoons.
On September 9, 2019, Harbin Electric's 600kW tidal current generator set was tested in the sea area of ​​Zuoluoshan, Zhoushan, Zhejiang Province. After demonstration on site, the results showed that the unit's hydroelectric energy conversion efficiency reached 37%, and the starting flow rate was only 0.51 meters per Seconds are the domestic leading level. (Reporter Li Liyun correspondent Wang Xueshan)
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