COMPEL - The international journal for computation and mathematics in electrical and electronic engineering: Volume 41 Issue 2

Guest editorial: Electromagnetic modelling exploiting fields and circuits

Wojciech Pietrowski, Andrzej Demenko, Kay Hameyer, Maurizio Repetto

Study of the effect of the demagnetizing field in Epstein strips of grain-oriented electrical steels through 3D finite element analysis

Leysmir Adriana Millan Mirabal, Oualid Messal, Abdelkader Benabou, Yvonnick Le Menach, Loic Chevallier, Jean-Yves Roger, Jean-Pierre Ducreux

The purpose of this study is to explore the effect of the demagnetizing field in the Epstein characterization of grain-oriented electrical steels through a finite element method…

Adaptation and parametrization of an iron loss model for rotating magnetization loci in NO electrical steel

Benedikt Schauerte, Martin Marco Nell, Tim Brimmers, Nora Leuning, Kay Hameyer

The magnetic characterization of electrical steel is typically examined by measurements under the condition of unidirectional sinusoidal flux density at different magnetization…

Simulation of iron losses in induction machines using an iron loss model for rotating magnetization loci in no electrical steel

Martin Marco Nell, Benedikt Schauerte, Tim Brimmers, Kay Hameyer

Various iron loss models can be used for the simulation of electrical machines. In particular, the effect of rotating magnetic flux density at certain geometric locations in a…

Three-dimensional data-driven magnetostatic field computation using real-world measurement data

Armin Galetzka, Dimitrios Loukrezis, Herbert De Gersem

The purpose of this paper is to present the applicability of data-driven solvers to computationally demanding three-dimensional problems and their practical usability when using…

Impact of nearby lightning on photovoltaic modules converters

Sami Barmada, Alessandro Formisano, Jesus C. Hernandez, Francisco José J. Sánchez Sutil, Carlo Petrarca

The lightning phenomenon is one of the main threats in photovoltaic (PV) applications. Suitable protection systems avoid major damages from direct strikes but also nearby strikes…

Influence of stator segmentation on iron losses in PMSMs for traction applications

Mitja Garmut, Martin Petrun

This paper presents a comparative study of different stator-segmentation topologies of a permanent magnet synchronous machine (PMSM) used in traction drives and their effect on…

Electromagnetic sub-models for 3D edge-elements in transient non-linear simulation

Matthias Kowalski, Martin Hanke, Christian Kreischer

Resolving eddy currents in three dimensions with finite elements, especially in geometrically complex structures, is very time consuming. Notable additional efforts will be…

Multiobjective optimization of compensation networks for wireless power transfer systems

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

The purpose of this paper is to show how the EStra-Many method works on optimization problems characterized by high-dimensionality of the objective space. Moreover, a comparison…

Sizing by optimization of line-start synchronous motor

Łukasz Knypiński, Frédéric Gillon

The purpose of this paper is to develop an algorithm and software for determining the size of a line-start permanent magnet synchronous motor (LSPMSMs) based on its optimization.

Solving 2D boundary-value problems using discrete partial differential operators

Marcin Jaraczewski, Tadeusz Sobczyk

Discrete differential operators of periodic base functions have been examined to solve boundary-value problems. This paper aims to identify the difficulties of using those…

The determination of induction motor losses in steel taking into account its saturation

Mykhaylo Zagirnyak, Vita Ogar, Volodymyr Chenchevoi, Rostyslav Yatsiuk

This paper aims to work out a method for calculating losses in induction motor steel taking into account its saturation.

Thermal behavior of grain-oriented electrical steel wound core solid-state transformer

Houssam Ichou, Daniel Roger, Mathieu Rossi

This paper aims to propose a new design for high-power compact solid-state transformers (SSTs) made with grain-oriented electrical steel (GOES) wound cores that benefit from the…

Modeling anisotropic magnetic hysteresis properties with vector stop model by using finite element method

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

This paper aims to use a history-dependent vector stop hysteresis model incorporated into a two dimensional finite elements (FE) simulation environment to solve the magnetic field…