Megawatt-grade permanent magnet generator
A permanent magnet generator, megawatt-level technology, applied in the direction of electric components, electrical components, electromechanical devices, etc., can solve the problems of uneven cooling, local overheating, etc., and achieve the effects of uniform axial direction, quick installation and reasonable distribution
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[0032] Example 1
[0033] The invention discloses a megawatt permanent magnet generator, including a rotor magnet fixed structure and a motor ventilation structure, etc., with reference to Figure 1~2 . The fixed structure of the magnetic steel includes a rotor core disk 4, a plurality of core disks 4 are fixed on the rotating shaft by a square key, and two adjacent core disks 4 are separated by a stainless steel ventilation slot plate 1, and two ends of the rotor core are provided The stainless steel iron core pressing plate 5 has a plurality of magnetic steel grooves 6 on the iron core punching piece close to the outer circle of the iron core plate 4, and the shape of the magnetic steel groove 6 matches the shape of the magnet 3 to be assembled. The circumference is evenly distributed. The magnetic steel grooves 6 are in six groups, each group includes three rectangular magnetic steel grooves 6, and a gap 7 is left at the edge of the matching part between the magnetic steel gr...
Example Embodiment
[0035] Example 2
[0036] As a best embodiment of the present invention, refer to Figure 3~6 The motor ventilation structure includes a cooler set above the motor and a forced ventilation centrifugal fan 1 provided with the cooler. A plurality of air inlet areas 2 and air outlet areas 3 are alternately arranged on the back 4 of the stator core of the motor. The zone 2 and the air outlet zone 3 are evenly distributed along the radial circumference of the motor, wherein the air inlet zone 2 is open at the air inlet end 6 of the centrifugal fan 1 and closed at the air outlet end 7 of the centrifugal fan 1; 3 The air outlet 7 of the centrifugal fan 1 is open, and the air inlet 6 of the centrifugal fan 1 is closed. A plurality of stator ventilation grooves 10 distributed along the radial direction of the motor are provided in the stator core 8, and also in the rotor core 9 There are a plurality of rotor ventilation grooves 11 distributed along the radial direction of the motor. The ...
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