Review of electromagnetic vibration in electrical machines

X Xu, Q Han, F Chu - Energies, 2018 - mdpi.com
Electrical machines are important devices that convert electric energy into mechanical work
and are widely used in industry and people's life. Undesired vibrations are harmful to their …

Calculation of unbalanced magnetic pull in a salient-pole synchronous generator using finite-element method and measured shaft orbit

D Zarko, D Ban, I Vazdar… - IEEE Transactions on …, 2011 - ieeexplore.ieee.org
In this paper, the unbalanced magnetic forces which act upon the rotor of a salient-pole
synchronous generator due to eccentric motion of the rotor shaft in the presence of magnetic …

Damper windings in induction machines for reduction of unbalanced magnetic pull and bearing wear

DG Dorrell, JKH Shek, MA Mueller… - IEEE Transactions on …, 2013 - ieeexplore.ieee.org
In large induction machines (such as large cage induction motor pumps in the petrochemical
industry and cage-or wound-rotor induction generators in wind turbines), reliability and …

Angular-based modeling of unbalanced magnetic pull for analyzing the dynamical behavior of a 3-phase induction motor

X Li, A Bourdon, D Rémond, S Kœchlin… - Journal of Sound and …, 2021 - Elsevier
A multiphysics asynchronous electric machine model based on the angular approach is
developed in this paper by adding the interaction between the Unbalanced Magnetic Pull …

Computational modelling of the unbalanced magnetic pull by finite element method

M Donát - Procedia Engineering, 2012 - Elsevier
This paper presents a process of calculating of the unbalanced magnetic pull in the rotating
electrical machines based on the electromagnetic coupled field analysis. The computational …

Eccentricity related forces in two-pole induction motor with four-pole stator damper winding analyzed using measured rotor orbits

A Sinervo, A Arkkio - IEEE transactions on magnetics, 2013 - ieeexplore.ieee.org
A two-pole induction motor has been fitted with an extra three-phase four-pole stator winding
to damp the unbalanced magnetic pull caused by eccentricity. In traditional two-pole …

Reducing bearing wear in induction generators for wave and tidal current energy devices

JKH Shek, DG Dorrell, M Hsieh… - IET Conference on …, 2011 - ieeexplore.ieee.org
Marine energy devices such as wave energy converters and tidal current turbines are set to
play a significant role in contributing to electricity generating by renewable means. The …

A review of methods to increase the availability of wind turbine generator systems

U Shipurkar, H Polinder… - CPSS Transactions on …, 2016 - ieeexplore.ieee.org
Availability is an important factor to be considered when designing wind turbine generator
systems. The quest for increased availability is based on the following five design …

The vibration analysis of a high-speed motorized spindle system considering nonsmooth bearing restoring force and unbalanced magnetic pulling force

X Zhang, Z Ma, Y Jiang - 2023 - researchsquare.com
As an important equipment in the field of modern machining, high-speed motorized spindle
has a broad application prospect and important research significance. This paper focuses …

Effects of saturation on eccentricity force in permanent magnet synchronous machines

P Bolognesi, F Papini, L Papini, O Bruno - SPEEDAM 2010, 2010 - ieeexplore.ieee.org
Permanent magnets synchronous machines are nowadays widely employed. In case of
symmetrical construction, aligned mounting of the rotor and balanced supply, the distributed …