Generator preferably of wind turbine
A technology for wind turbines and generators, applied in wind engines, engines, wind power generation, etc., can solve problems such as increased power loss and increased heat production, and achieve the effects of reducing torque fluctuations, reducing hot spots, and high cooling performance
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[0069] figure 1 A schematic partial cross-sectional view of the wind turbine 1 is shown. The wind turbine 1 is a direct drive wind turbine ready for onshore or offshore applications, and includes a rotatable rotor hub 2 having a number of rotor blades 3 attached to the rotor hub 2. The rotor hub 2 is adapted to transmit rotational movement to the rotor 4. The rotor 4 is rotatably supported relative to the stator 5 and includes a permanent magnet 11 mounted on the inner surface of the rotor 4 and facing the stator 5. Therefore, the rotor 6 is supported on the corresponding bearing unit 7 provided on the non-rotatable hollow shaft 8, whereby the stator 5 is supported on the stator base 9. The stator base 9 is directly supported on a central hollow shaft 8 which extends along a rounded angle of 90° and is connected to the vertical wind turbine tower 20.
[0070] The air gap 10 extends in the axial direction 404 between the permanent magnets of the stator 5 and the rotor 4. The ra...
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