COMPEL - The international journal for computation and mathematics in electrical and electronic engineering: Volume 26 Issue 5

The effect of molecular mean‐field interaction on remanent magnetism: The Henkel plots

J. Takacs

The paper aims to take a critical view of the Wholfarth's assumption and the Henkel plots as the measure of molecular mean‐field interaction in magnetic materials. At the same…

Modeling dc gain performance of 4H‐SiC BJTs

Hamid Z. Fardi

To model the differential dc gain, base resistance, and current voltage performance of 4H‐Silicon Carbide (SiC) bipolar junction transistors (BJT) operating at and above room…

On the analysis and control of four‐switch three‐phase inverter fed brushless motor drives

Abdessatar Guermazi, Mariem Sahbi, Ahmed Masmoudi, Ahmed Elantably

This paper aims at the improvement of the cost‐effectiveness of brushless DC motor (BDCM) drives integrated in electric and hybrid propulsion systems.

CAD‐oriented signal and noise modeling of mm‐wave FETs: a wave approach

Abdolali Abdipour, Gholamreza Moradi

The purpose of this paper is to present computer‐aided simultaneous signal and noise modeling and analysis for mm‐wave field‐effect transistors (FETs) based on scattering…

Epileptic seizure characterization by Lyapunov exponent of EEG signal

Stanislaw Osowski, Bartosz Swiderski, Andrzej Cichocki, Andrzej Rysz

The purpose of this paper is to develop the new method of estimation of the short‐term largest Lyapunov exponent of electroencephalogram (EEG) waveforms for the detection and…

Sensorless‐estimation of induction motors in wide speed range

Seta Bogosyan, Murat Barut, Metin Gokasan

The purpose of this paper is to improve performance in the estimation of velocity and flux in the sensorless control of induction motors (IMs) over a wide speed range, including…

TLM modeling of transformer with internal short circuit faults

Okan Ozgonenel, David W.P. Thomas, Christos Christopoulos

The purpose of this paper is to describe a technique for modeling transformer internal faults using transmission line modeling (TLM) method. In this technique, a model for…

Application of soft computing techniques to induction motor design

S. Padma, R. Bhuvaneswari, S. Subramanian

The purpose of this paper is to present a comparative study of the various soft computing techniques and their application to optimum design of three‐phase induction motor design.

Analysis of transient inductive interference in underground pipelines due to faults on nearby power lines

Jian Tang, Xiang Cui, Lei Qi, Tiebing Lu, Lin Li, Puxuan Zhu, Guang Yang, Weizhen Zhang

The purpose of this paper is to present a method to calculate the transient induced voltages along the underground pipelines and analyze the transient interference generated in…

A mathematical approach for studying interconnected earthing systems inside MV networks

Angelo Campoccia, Eleonora Riva Sanseverino, Gaetano Zizzo

The purpose of this paper is to define a new methodology for studying interconnected earthing system inside unearthed medium voltage (MV) networks.

Recognition of power transformer winding movement and deformation using FRA

Mohamed M. Saied, Meshal A. Al‐shaher

The purpose of this paper is to present a frequency domain technique for the recognition and location of winding movements and mechanical deformations in power transformers. Both…

Interpolating EFGM for computing continuous and discontinuous electromagnetic fields

Gleber Nelson Marques, José Márcio Machado, Sérgio Luis Lopes Verardi, Stephan Stephany, Airam Jonatas Preto

This paper proposes an interpolating approach of the element‐free Galerkin method (EFGM) coupled with a modified truncation scheme for solving Poisson's boundary value problems in…

The Crout version of ILU preconditioning applied to the fast‐multipole method for solving large‐scale electromagnetic open PEC problems

Yiqiang Yu, Andy McCowen

The purpose of this paper is to investigate and analyze the efficiency and stability of the implementation of the Crout version of ILU (ILUC) preconditioning on fast‐multipole…