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Direct Drive Wind Turbine |
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Wind turbine always has a low rotor speed, and must be increased by the gearbox to make the ordinary generator rotate at the rated speed, but gearbox will reduce wind turbine efficiency, and is difficult to maintain as subject to wear. Therefore low-speed generator designed and manufactured for wind turbines with multi-poles can be directly driven by wind turbine rotor, we definite this wind turbine “Direct Drive Wind Turbine”.
For vertical axis wind turbine, disc generator is widely applied in direct drive wind turbine.
The English translation of this column has been strongly supported by Xinjiang Goldwind Technology Co., Ltd. (Zhao Liang, Pang Xiaolong). |
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| Magnetic Field and Flux Direction of the Generator |
The generator structure is divided into radial air gap flux structure, axial air gap flux structure, longitudinal flux structure, transverse flux structure, permanent magnet surface mounting method, and permanent magnet magnetism mounting. |
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| ?Inner Rotor Permanent Magnet Direct-Drive Wind Turbine |
| The basic structure of the inner rotor permanent magnet direct-drive wind turbine generator is the same as that of the ordinary multi-pole generator. There are three-phase windings on the stator; the salient poles of the rotor are composed of permanent magnets. |
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| Intermediate Stator Disc Generator |
| There is a permanent magnet generator in which stator and rotor are disc shaped and stacked, the stator is fixed in the middle, and the rotor is rotated on both sides. |
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| Intermediate Rotor Disc Generator |
| Stator and the rotor are disc-shaped and stacked, stator is fixed on both sides, and rotor is a permanent magnet generator rotating between the two stators. |
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| Thin Disc Permanent Magnet Generator |
| Both stator and rotor are disk shaped. The stator is composed of stator core and stator coil. The rotor is composed of permanent magnetic pole and magnetic yoke, the stator is at the bottom and the rotor is on the top, the appearance is thin disc piled up with each other. |
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| Coreless Disc Permanent Magnet Direct Drive Wind Turbine |
| Introduce the coreless disc permanent magnet direct drive wind turbine composed of an intermediate stator armature disk and two disc rotors, and the stator armature disk with ironless core structure through the 3D animation courseware. |
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Note：
The English version of the website is designed to facilitate overseas enthusiasts' understanding of new energy science knowledge, and it is also expected that science knowledge can be spread more widely all over the world.
The English version is translated according to the Chinese version. There is always some narration differences in the description of the knowledge principle. Therefore, we hope that everyone can put forward valuable opinions so that the content of the website can be continuously improved and optimized.
“gqefcizb.cn” is a full-profit public science website without any commercial activities and It is also an open and shared platform. Anyone from all over the world is welcome to share your information through our website, so that we can continuously expand and improve the popular to benefit more people.
Please send to the email below:
pangxiaolong@goldwind.com.cn
peng2_sj@126.com |
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