Effect of Static Rotor Eccentricity on End Winding Forces and Vibration Wearing

Figure 1

Air-gap and MMF: (a) sectional view of rotor winding distribution, (b) connection relationship of rotor windings, (c) MMF of the th rotor coil, (d) eccentric air-gap, (e, f) rotor winding MMF waveform and spectrum, (g) winding factor harmonics, and (h) relationship of rotor winding MMF and stator wingding MMF.

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