COMPEL - The international journal for computation and mathematics in electrical and electronic engineering: Volume 43 Issue 3

Guest editorial: Electromagnetics in electrical engineering

Multiphysics performance of surrogate models on skewed pole surface-mounted permanent magnet motors

Evaluating the multiphysics performance of an electric motor can be a computationally intensive process, especially where several complex subsystems of the motor are coupled…

Analysis of current distribution and termination conditions in 2D metasurfaces

The purpose of this paper is to gain a better understanding on how metasurfaces behave, in terms of currents in each unit cell. A better knowledge of their behavior could lead to…

Investigation of shaded pole stator topology for low power AC motors design

This paper aims to investigate the features of single phase shaded pole stator with squirrel–cage rotor or permanent magnet rotor, that leads to an investigation of these…

Basic properties of ferromagnetic vector hysteresis play models and their validation by finite element method

Magnetic hysteresis holds significant technical and physical importance in the design of electromagnetic components. Despite extensive research in this area, modeling magnetic…

Improved air gap permeance modelling for single-slice magnetic equivalent circuits of skewed induction motors

When rotor and stator teeth are close, the connecting air gap flux tube's cross-sectional area exceeds the tooth overlap area. This flux fringing effect is disregarded in the air…

Optimization of a damper system for noise and vibration reduction in a PMSM

This paper aims to optimize passive damper system (PDS) design by configuring its parameters to improve its performance and behavior in permanent magnet synchronous machines…

Analysis of data-driven approaches for radar target classification

This study focuses on the classification of targets with varying shapes using radar cross section (RCS), which is influenced by the target’s shape. This study aims to develop a…

A new approach for the flashover voltage prediction using an arc propagation reproduction on a high-voltage insulator

This paper aims to introduce a new numerical model that predicts the flashover voltage (FOV) value in the presence of polluted air surrounding a high-voltage insulator. The model…

Full harmonic spectrum calculation of magnetic pressures in synchronous permanent magnet machines based on a new realistic partial analytical model: application to SVPWM and DPWM2

The purpose of this paper is to propose a new method that allows to compare the magnetic pressures of different pulse width modulation (PWM) strategies in a fast and efficient way.

Magnetostatic analysis by BEM for multiply connected problem

The purpose of this study is to demonstrate the novel approach in treating multiply connected problems in magnetostatic.

Comparison of simulations of the gas conduction in HVDC GIL by application of nonlinear conductivity model and ion-drift-diffusion model

Gas insulated systems, such as gas insulated lines (GIL), use insulating gas, mostly sulfur hexalfluoride (SF₆), to enable a higher dielectric strength compared to e.g. air…

Numerical modeling of magnetic cores with combined electrical steel grades

This paper aims to investigate the impact of combining grain-oriented electrical steel (GOES) grades on specific iron losses and the flux density distribution within a…

An FEM framework for modeling forces between NdFeB magnets and HTS bulks

This paper aims to introduce an alternative for modeling levitation forces between NdFeB magnets and bulks of high-temperature superconductors (HTS). The presented approach should…

Modelling permanent magnet excited uniform fields with rational approximations

A novel method for modelling permanent magnets is investigated based on numerical approximations with rational functions. This study aims to introduce the AAA algorithm and other…

MRI compatible electromagnetic actuator: magneto-thermal design and optimization

The purpose of this study is to develop a magnetic resonance imaging (MRI)-safe iron-free electrical actuator for MR-guided surgical interventions.

3D electromagnetic analytical model for radial-flux eddy-current couplers

This paper aims to develop a new 3D analytical model in cylindrical coordinates to study radial flux eddy current couplers (RFECC) while considering the magnetic edge and 3D…

Bearing fault diagnosis of induction machines using VMD-DWT and composite multiscale weighted permutation entropy

Bearings play a critical role in the reliable operation of induction machines, and their failure can lead to significant operational challenges and downtime. Detecting and…

Trust region framework-based design of sub-6 GHz m-MIMO antenna and evaluation of SAR

Currently, massive multiple-input multiple-output (m-MIMO) antennas are typically designed using complex trial-and-error methods. The purpose of this study is to determine an…

Interactive and educational simulation tool for permanent magnet synchronous machines

This paper aims to present an interactive design and simulation tool for permanent magnet synchronous machines based on the finite-element-method. The tool is intended for…

Stochastic approach for maximum power point determination for bifacial PV modules by implementing two different cell models

This paper presents the determination of the maximum power point of a bifacial photovoltaic (PV) system using two different cell models. The optimal power point is determined by…

Optimization of conductors arrangement in slot for alternating current winding losses reduction

The purpose of this study is to evaluate and minimize the losses of alternating current (AC) in the winding of electrical machines. AC winding losses are frequently disregarded at…

Galerkin-FEM approach for dynamic recovering of the plate profile in electrostatic MEMS with fringing field

Based on previous results of the existence, uniqueness, and regularity conditions for a continuous dynamic model for a parallel-plate electrostatic…

Influence of welding-induced mechanical stress on the electromagnetic properties of magnetic lamination

This paper aims to analyze the influence of welding-induced mechanical stress of a magnetic core material on the performance behavior of a permanent magnet excited synchronous…