Abstract
Permanent magnet synchronous machines (PMSMs) are widely used in a variety of applications. Static eccentricity of rotor is a common fault at the fabrication process. These faults cause imbalanced electromagnetic force and exert unexpected vibration at the design process. This research investigates the impact of this fault on the temporal and spatial harmonic distribution of electromagnetic force. Moreover, a compensation method has been proposed to suppress imbalanced force caused due to static eccentricity by using triple three phase winding motor. The system of triple three phase winding motor relies on three independent sets of windings dedicated to control electromagnetic force in each winding. Therefore, the imbalanced electromagnetic force can be restored using this system. The effectiveness of the proposal method is verified by Finite Element Analysis.
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