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Technology of direct-drive permanent magnet wind turbine under complex operating conditions
Large-capacity and efficient 5MW direct-drive wind turbine is suitable for land and sea and provides better power generation.
Type
Equipment
Tags
Wind energy
Wind power
Direct-drive permanent magnet
Solution maturity
Mass promotion / Mass production
Cooperation methods
Other
Applicable industry
Water conservancy, environment and public facilities management
Applications
Energy
Key innovations
The innovation of this wind turbine lies in its 5MW direct-drive permanent magnet design. By integrating and optimizing key components such as blades, generators and converters, large single machine capacity, low kilowatt supporting costs and high power generation efficiency are achieved. Compared with traditional technologies, power generation efficiency is increased by 2%-3%.
Potential economic benefits
The 5MW direct-drive permanent magnet wind turbine has a large single-unit capacity, which significantly reduces kilowatt supporting costs and operating costs. Its power generation efficiency is high, which is 2%-3% higher than traditional technologies. It can significantly increase power output, thereby increasing economic returns and accelerating return on investment.
Potential climate benefits
The 5MW direct-drive permanent magnet wind turbine can more effectively convert wind energy into clean electricity by increasing power generation efficiency by 2-3%. This means that with the same wind resources, more zero-carbon electricity can be generated, directly replacing more fossil fuel-based power generation methods, thereby significantly reducing carbon dioxide emissions.
Solution supplier
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CRRC Yongji Electric Co., Ltd.
CRRC Yongji Electric Co., Ltd.
CRRC Yongji Electric Co., Ltd. is a leading supplier of core motors and electric drive systems for rail transit, providing strong power to trains.
China
Solution details

1. scope of application

 Wind power generation.

2. Core technologies and processes

 Based on the analysis of natural environmental conditions such as land and offshore wind resources, key supporting components such as blades, direct-drive permanent magnet generators and full-power converters are designed, and the assembly process of a 5MW direct-drive permanent magnet wind turbine set is determined based on the overall technical parameters of the unit. and hoisting process. Large unit capacity, low kilowatt supporting costs, and high power generation efficiency.

3. main technical parameters

 The impeller speed is 6-13.5rpm; the rated wind speed is 13m/s; the cut-in wind speed is 3m/s; the cut-out wind speed is 25m/s; the maximum wind energy utilization factor of the whole machine is ≥0.45.

4. comprehensive benefits

 Compared with traditional wind power generation technology, power generation efficiency is increased by 2%-3%.

Last updated
12:00:19, Nov 05, 2025
Information contributed by
Green Technology Bank

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