The draft standard for megawatt wind turbines in China has recently been formulated in Yongji Electric Power Plant of China North Railway Group. It will be promulgated and implemented after consulting the National Technical Committee for Wind Machinery Standardization.
As the standard maker, Yongji Electric Power Plant of China North Railway Group successfully developed 1.5 MW water-cooled doubly-fed induction wind turbines with the highest power and the most advanced technology last year, which fills the gap of MW doubly-fed wind turbines in China. The first wind turbine has been delivered to users, and 33 new contracts have been signed recently.
It is understood that with the acceleration of wind power industrialization in China, domestic MW wind turbines are more and more favored by wind power mainframe plants. In order to expand the influence of enterprises in the domestic market and improve the quality of products, Yongji Electric Machinery Works actively participated in the formulation of technical standards for doubly-fed induction generators, relying on the successful experience of adopting new technologies, new processes and new materials in the development of 1.5 MW water-cooled doubly-fed induction wind turbines. This standard stipulates the formulation of technical standards for grid-connected doubly-fed generators in technical conditions. The standard specifies the type, specifications, technical requirements, inspection rules and quality assurance period of the grid-connected doubly-fed induction generator in the technical conditions, and the test method of the grid-connected doubly-fed induction generator.
As an enterprise with more than 30 years of research and development of locomotive and trolley transmission technology, Yongji Electric Machinery Factory entered the wind turbine market as early as 2001. Over the past five years, the first 660 kilowatt wind turbine with independent intellectual property rights has been successfully developed in China. Its state-level technological innovation project, 750 kilowatt wind turbine, has become the mainstream installed in China, reaching over 81% of the domestic market.