COMPEL - The international journal for computation and mathematics in electrical and electronic engineering: Volume 37 Issue 4
Table of contents - Special Issue: Theoretical Electrical Engineering (ISTET 2017)
Guest Editors: Hartmut Brauer
Arbitrary movement simulation using 3D NC-FVM for electromagnetic problems
Ishaq Amrani, Ahmed Cheriet, Mouloud FeliachiThe purpose of this paper is to propose to simulate an arbitrary movement in electromagnetic problems by means of a 3D nonconforming finite volume method (NC-FVM). The moving part…
Hybrid realization of fillet weld
Václav Kotlan, Roman Hamar, Lenka Šroubová, Ivo DoleželA model of hybrid fillet welding is built and solved. No additional material (welding rod, etc.) is used. Heating of the welded parts is realized by laser beam with induction…
Position estimation of active magnetic bearing shaft using auxiliary coils
Tin Benšic, Marinko Barukcic, Željko Hederic, Venco Corluka, Nebojsa Bozidar Raicevic, Ilona IatchevaThe purpose of this paper is to develop a system for estimating the position of the active magnetic bearing (AMB) shaft. A new approach using the static and dynamic inductances…
Torque and back-emf in hybrid excited claw pole generator
Marcin WardachThe paper aims to present the hybrid excited claw pole generator design, simulation and experimental results. The prototype has claw poles on two rotor sections, between which an…
Modeling of artificially triggered lightning currents by multi-peaked analytically extended functions
Vesna Javor, Karl Lundengård, Milica Rančić, Sergei SilvestrovThis paper aims to present the approximation of lightning currents waveshapes by the multi-peaked analytically extended function (MP-AEF) for the experimentally measured…
Singularity consideration in the integral equations for contactless inductive flow tomography
Ralf T. Jacobs, Thomas Wondrak, Frank StefaniThe contactless inductive flow tomography is a procedure that enables the reconstruction of the global three-dimensional flow structure of an electrically conducting fluid by…
Signal propagation in metal-rich railway environment
Bojana Nikolic, Bojan Dimitrijevic, Tino Hutschenreuther, Hannes ToepferThe purpose of this paper is to analyze a signal propagation in highly metalized environments, which has not been extensively studied in the literature. Having in mind a large…
Fractional derivatives and the laws of electrical engineering
Ryszard Sikora, Stanislaw PawłowskiThis paper aims to evaluate the possibilities of fractional calculus application in electrical circuits and magnetic field theories.
Static analysis of a balanced armature receiver
Marcin Ziolkowski, Wojciech Kwiatkowski, Stanislaw Gratkowski, Marek ZiolkowskiA balanced armature receiver (BAR) as a special type of electromagnetic acoustic transducers plays a significant role in reproduction of music and speech, active noise control in…
Coupling of finite element method and integral formulation for vector Helmholtz equation
Sebastian Grabmaier, Matthias Jüttner, Wolfgang RuckerConsidering the vector Helmholtz equation in three dimensions, this paper aims to present a novel approach for coupling the finite element method and a boundary integral…
Optimal selection of coaxial ring systems in environmental electrostatic shielding
Nebojsa B. Raicevic, Slavoljub R. Aleksic, Željko Hederic, Marinko Barukcic, Ilona IatchevaThe purpose of this paper is to present a new calculation method for increasing the shielded volume in which the external electromagnetic field is maximally reduced. In a space…
Efficient analysis method of light scattering by a grating of plasmonic nanorods
Vakhtang Jandieri, Lana Okropiridze, Kiyotoshi Yasumoto, Daniel Erni, Jaromir PistoraThe purpose of this paper is to develop a rigorous self-contained formulation for analyzing electromagnetic scattering by grating of plasmonic nanorods. The authors investigate…
Motion in frequency domain for harmonic balance simulation of electrical machines
Markus Wick, Sebastian Grabmaier, Matthias Juettner, Wolfgang RuckerThe high computational effort of steady-state simulations limits the optimization of electrical machines. Stationary solvers calculate a fast but less accurate approximation…
Challenges in the EM-based design of modern telecommunication satellite antennas
Enrico Reiche, Michael SchneiderThis paper aims to introduce design challenges of modern telecommunication satellite antennas. The antenna farms accommodated on a satellite are systems of high complexity. From…
Influence of magnetic concentrator on Hall effect based current sensor
Ivan Yatchev, Mehmet Sen, Iosko Balabozov, Ivan KostovThe purpose of the paper is to clarify the influence of introducing magnetic concentrators on the performance of Hall effect based current sensors and to obtain dependencies of…
Novel hybrid excited machine with flux barriers in rotor structure
Marcin Wardach, Ryszard Palka, Piotr Paplicki, Michal BonislawskiPermanent magnet (PM) electrical machines are becoming one of the most popular type of the machines used in electrical vehicle drive applications. The main drawback of permanent…
Modeling of an inductively coupled system
Rafael Psiuk, Alisa Artizada, Daniel Cichon, Hartmut Brauer, Hannes Toepfer, Albert HeubergerThis paper aims to provide a flexible model for a system of inductively coupled loops in a quasi-static magnetic field. The outlined model is used for theoretical analyses on the…
Model of induction brazing of nonmagnetic metals using model order reduction approach
Pavel Karban, David Pánek, Ivo DoleželA novel technique for control of complex physical processes based on the solution of their sufficiently accurate models is presented. The technique works with the model order…
Order reduction in electrical power systems using singular perturbation in different coordinate systems
Hauke Huisinga, Lutz HofmannEfficient calculations of the transient behaviour after disturbances of large-scale power systems are complex because of, among other things, the non-linearity and the stiffness…
Embedded order reduction of hierarchical systems within an mCCM framework
Michael Popp, Wolfgang MathisThe purpose of this paper is to present the embedding of linear and nonlinear order reduction methods in a theoretical framework for handling hierarchically interconnected…
3D modelling of electric field in vicinity of 400 kV power line
Ilona Iatcheva, Malina Dimitrova, Nikolina PetkovaThe purpose of this study is to model the electric field distribution in 3D in the vicinity of 400 kV power line to determine the field impact on the environment and on the human…
Utilizing multimode interference effects in integrated graded-index optical waveguides for efficient power splitting
Jan-Philipp Roth, Thomas Kühler, Elmar GrieseFor the realization of optical waveguide components, needed for photonic integrated circuits, multimode-interference based (MMI-based) devices are an excellent component class for…
ISSN:
0332-1649Online date, start – end:
1982Copyright Holder:
Emerald Publishing LimitedOpen Access:
hybridEditor:
- Prof Jan Sykulski