A review of the monitoring and dam** unbalanced magnetic pull in induction machines due to rotor eccentricity

AA Salah, DG Dorrell, Y Guo - IEEE Transactions on Industry …, 2019 - ieeexplore.ieee.org
Condition monitoring can diagnose the inception of fault mechanisms in induction motors,
thus avoiding failure and expensive repairs. Therefore, there is a strong need to develop an …

Calculation and measurement of unbalanced magnetic pull in cage induction motors with eccentric rotors. Part 1: Analytical model

AC Smith, DG Dorrell - IEE Proceedings-Electric Power Applications, 1996 - IET
The paper describes an analytical model for cage induction motors with a static eccentric
rotor. The method is based on an airgap permeance approach including stator and rotor …

Sources and characteristics of unbalanced magnetic pull in three-phase cage induction motors with axial-varying rotor eccentricity

DG Dorrell - IEEE Transactions on Industry Applications, 2010 - ieeexplore.ieee.org
This paper puts forward a model for assessing unbalanced magnetic pull (UMP) due to rotor
eccentricity in cage induction motors that takes into account the axial variation in the …

Influence of slot and pole number combinations on unbalanced magnetic force in PM machines with diametrically asymmetric windings

ZQ Zhu, MLM Jamil, LJ Wu - IEEE Transactions on Industry …, 2012 - ieeexplore.ieee.org
Unbalanced magnetic forces (UMFs) exist in permanent magnet machines with diametrically
asymmetric windings, eg, machines having pole and slot numbers differed by one and two …

An analytical model of unbalanced magnetic force in fractional-slot surface-mounted permanent magnet machines

LJ Wu, ZQ Zhu, JT Chen, ZP **
effects of a cage rotor on the unbalanced magnetic pull (UMP) when the rotor is dynamically …

Vibration analysis of brushless doubly fed machines in the presence of rotor eccentricity

S Abdi, E Abdi, H Toshani… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
In this work, an analytical study has been performed on the Brushless Doubly Fed Machine's
(BDFM) vibration due to the interaction of its fundamental magnetic fields, exerting bending …