Beyond the standard rated operations, there exists a recognized exigency for electric motors
possessing heightened overload capability, notably in contexts involving powerful electric …

Manufacturing error and air-gap deformation are the most common cause of unbalanced
magnetic pull force, which influence the stable operation of rotating machinery. In this paper …

The air-gap eccentricity of motor rotor is a common fault of flywheel energy storage devices.
Consequently, this paper takes a high-power energy storage flywheel rotor system as the …

For the asynchronous motorized spindle directly driven by the induction motor, the load-
dependent slip ratio determines that its transient characteristics are sensitive to load. For the …

Unbalanced magnetic pull (UMP) resulting from air-gap eccentricity can present a potential
risk to the lifetime and dynamic stability of high-speed electrical machines. Nevertheless, a …

An analytical method to calculate the elastic rocking modal frequency of the disk-shaped
rotor is presented based on the static deformation theory of the beam and thin plate …

Purpose In order to analyze the effects of rotor hybrid eccentricity and bearing clearance on
the internal excitation force and dynamic characteristics of the rotor bearing system of a …

In this paper, a novel method to diagnose eccentricity fault in rotor of three-phase induction
motor based on the current signal, is proposed along with experimental validation. It utilizes …

In active magnetic bearing control systems, the performance of the closed-loop control and
the application can be impaired by external disturbances. This article analyzes the …

Bearing faults and eccentricity faults are significant contributors to induction motor
performance degradation and failures. This article presents a multiphysics model for …