Electric machines are important devices that convert electrical energy into mechanical
energy and are extensively used in a wide range of applications. Recent years have seen …

This paper derives the analytical characterization of the Maxwell radial vibrations due to
pulsewidth modulation (PWM) supply in induction machines and, particularly, in traction …

An automatic and fast numerical coupling method between 2-D electromagnetic and 3-D
structural FEM software is presented. The described coupling method permits to compute …

This paper presents a fully analytical model of the electromagnetic and vibro-acoustic
behavior of variable-speed squirrel-cage induction machines. This model is integrated in a …

Although many empirical rules have been established for correctly choosing the number of
stator and rotor slots so as to limit the audible magnetic noise level radiated by induction …

This paper provides an overview of current Noise Vibration and Harshness (NVH)
challenges for the design of Permanent Magnet Synchronous Motors (PMSMs) for …

The design of variable-speed electrical machines involves several fields of physics, such as
electromagnetism, thermics, mechanics, and also acoustics. This paper describes the …

In recent years, with developing technology in the field of electrical machines, more efficient
and high power density electric motors have been produced. The use of high energy …

In this paper, two strategies based on the slope pulsewidth modulation (PWM) technique are
applied to acoustic noise reduction in inverter-fed induction motors. This generated …

This paper presents a new technique, notching the induction motor rotor core, so as to
reduce the electromagnetic noise by suppressing the vibration due to the rotor slot …