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Skewing of either rotor or stator slots is one more method to decrease Induction Motor tone and offer smooth acceleration. The level of skew also impacts engine performance, therefore the skew is restricted to performance parameters along the lines of breakdown torque, beginning torque and beginning currents. BEARING NOISE Bearing tone could be influenced [...] When developing the stator and rotor lamination geometry, several parameters has to be reviewed. A closed rotor slot will bring about much less permenace variation, however, thickness within the bridge has to be reviewed to assure the lamination does not saturate. The Induction Motor width within the stator slot opening ought to be kept to [...] |
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