COMPEL - The international journal for computation and mathematics in electrical and electronic engineering: Volume 41 Issue 4

Guest editorial: Preface

Paolo Di Barba, Lukasz Szymanski, Sławomir Wiak

3D fast analytical computation of a permanent magnets axial coupler

Aziz Zerioul, Larbi Hadjout, Youcef Ouazir, Smail Mezani, Mohammed Messadi

The purpose of this paper is to develop a new and fast three-dimensional (3D) analytical model to study a synchronous axial magnetic coupling with rectangular shaped magnets. This…

Design and prototyping of GSM-bluetooth based solar energy remote monitoring system

Alper Kerem, Abdusselam Yazgan

The purpose of this study is to monitor the surface cooling of the photovoltaic (PV) panel and the effect of the dust accumulated on the panel surface on the electrical efficiency…

Design and test of an open portable MRI system

Simon Chauviere, Lamia Belguerras, Thierry Lubin, Smail Mezani

The purpose of this paper is the design study and realisation of portable low-field open MRI system.

Design of a voltage regulation device based on virtual air gap principle

Amar Tiourguiouine, Cristian Demian, Raphael Romary, Mehdi Zmirli, Philippe Bernard

This paper aims to present the principle of virtual air gap inductance and the design of a voltage regulation device based on this principle. The authors provide a comprehensive…

Determination of maximum power point from photovoltaic system using genetic algorithm

Angela Najdoska, Goga Vladimir Cvetkovski

The purpose of this paper is to present a novel approach to the determination of the maximum power point (MPP) in the photovoltaic system using genetic algorithm (GA). The…

Electric field simulations of field grading techniques in HVDC cable joints

Christoph Jörgens, Markus Clemens

In high voltage direct current cable systems, cable joints are known as the least reliable components due to the use of multiple dielectrics. Resulting from the electric field and…

Electrical power components decomposition of periodic polyharmonic current

Oleksii V. Bialobrzheskyi, Dmytro RodKin, Andrii Gladyr

At the current stage of electrical technology development, it is relevant to take into account the quality of electrical energy. It can be implemented if an assessed energy…

Finite element models of dynamic-WPTS: a field-circuit approach

Manuele Bertoluzzo, Paolo Di Barba, Michele Forzan, Maria Evelina Mognaschi, Elisabetta Sieni

The paper aims to propose a a field-circuit method for investigating the magnetic behavior of a wireless power transfer system (WPTS) for the charge of batteries of electric…

Measurement and approximation by simulation of the instantaneous breakdown voltage of lightning discharge in the presence of protection

Djazia Khelil, Slimane Bouazabia, Pantelis N. Mikropoulos

The paper aims to estimate the instantaneous breakdown voltage of the lightning discharge from simulated figures in an energized rod-plane configuration protected by a lightning…

Nonlinear parametric simulation by proper generalized decomposition on the example of a synchronous machine

Fabian Müller, Paul Baumanns, Martin Marco Nell, Kay Hameyer

The accurate simulation of electrical machines involves a large number of degrees of freedom. Particularly, if additional parameters such as remanence variations or different…

Novel model of rotor design to increase the air gap flux of superconducting generator

Viktor N. Antipov, Anna V. Ivanova, Andrei D. Grozov

The purpose of this study is to investigate a novel rotor design model to improve the technical performance of a superconducting synchronous generator.

Plasma monopole antenna array

Athanasios Papadimopoulos, Alessio Di Iorio

This study aims to investigate different configurations of plasma antenna arrays and multiple combinations based on whether the plasma dischargers are set ON or OFF, to assess the…

Prediction of hysteresis losses by an advanced vector hysteresis stop model with threshold surfaces

Xiao Xiao, Fabian Müller, Martin Marco Nell, Kay Hameyer

The ordinary vector hysteresis stop model with constant threshold values is not able to prohibit the hysteretic property after the saturation correctly. This paper aims to develop…

The use of finite elements modeling to analyze phase shifting transformer in steady-state service conditions

Marcel Ciesielski, Pawel Zygmunt Witczak

The aim of this paper is to find a fast-acting numerical model of the phase shifter.

Triple-speed coaxial magnetic gear for wind turbine applications: introduction and comprehensive analysis

Ali Moghimi, Mahmood Hosseini Aliabadi, Hassan Feshki Farahani

This paper aims to introduce a new structure for coaxial magnetic gears.