..., permeability at loop tip, coercive field strength, etc. The other method is derived from earlier research focused on approximating coenergy profiles. The modified elliptical model by Biró et al. (2010) used previously for material with more distinctive anisotropy (grain-oriented steel) is applied...

... a theorization of the particular geometry of the microstrip circuit with experimental validation of the NGD effect. Design/methodology/approach The methodology followed in this work is organized in three steps. A theoretical model is established of equivalent S-parameters model using Y-matrix analysis...

...Roberto Eduardo Quintal-Palomo; Maciej Gwozdziewicz; Mateusz Dybkowski Purpose The purpose of this paper is to obtain an accurate methodology for modelling and analysis of the permanent magnet synchronous generator connected to power electronic components. Design/methodology/approach...

... – the impact on the values of hysteresis model parameters. The phenomenological GRUCAD model is chosen for description of hysteresis curves. Design/methodology/approach Several cylinder-shaped cores have been made from a mixture of iron powder and suspense polyvinyl chloride using a hydraulic press...

... Using the symmetrical components method, the proposed approach is based on a modified model of unbalanced three-phase SEIG, which is formulated similarly to the well-known model of balanced three-phase SEIG. Owing to this modified model, the determination of the SEIG operating point amounts...

... a different mathematical background for analysis of switching converters to the literature. Figure 2. Model of flyback transformer (4) d d t [ u c i L m ] = [ − 1 R C N C − N L m 0...

...C.H.H.M. Custers; J.W. Jansen; M.C. van Beurden; E.A. Lomonova Purpose The purpose of this paper is to describe a semi-analytical modeling technique to predict eddy currents in three-dimensional (3D) conducting structures with finite dimensions. Using the developed method, power losses...

... as uniform as possible. Design/methodology/approach The proposed technique is based on a 3D electromagnetic model of the cavity containing both the processed material and the insert. Optimization problem is formulated for design variables (geometrical and material parameters of the insert) identified...

...Pavel Karban; David Pánek; Ivo Doležel Purpose A 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 reduction (MOR), which significantly accelerates the solution at a still...

...Rafael Psiuk; Alisa Artizada; Daniel Cichon; Hartmut Brauer; Hannes Toepfer; Albert Heuberger Purpose This 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 magnetic field...

... at: kinoshita.cs3.takahiro@jp.nssmc.com 12 03 2017 19 07 2017 01 09 2017 © Emerald Publishing Limited 2018 Emerald Publishing Limited Licensed re-use rights only Modelling Iron-making process Microwave heating Slot antenna In the recycling process for iron-containing...

...Jeno Takacs Purpose This paper aims to present an analytical way of formulating the vital parameters of an equivalent hysteresis loop of a composite, multi-component magnetic substance. By using the hyperbolic model, the only model, which separates the constituent parts of the composite magnetic...

...Le Nhat Hoang Tran; Laurent Gerbaud; Nicolas Retière; Hieu Nguyen Huu Purpose Static converters generate current harmonics in power grids. For numerous studies, analytical frequency modeling is preferred to carry out their harmonic modeling in the context of sizing by optimization. However...

...Hamid Reza Izadfar; Hamid Naseri Purpose Modeling electric machines is one of the powerful approaches for analyzing their performance. A dynamic model and a steady-state model are introduced for each electric machine. Permanent magnet induction machine (PMIM) is a dual-rotor electric machine...

...Norman Borchardt; Roland Kasper Purpose This study aims to present a parametric model of a novel electrical machine, based on a slotless air gap winding, allowing for fast and precise magnetic circuit calculations. Design/methodology/approach Approximations of Fourier coefficients through...

...Ali Behniafar; Ahmad Darabi Purpose In this paper, a new structure for the permanent magnet hysteresis synchronous (PMHS) motor is introduced. Moreover, this paper aims to presents a new analytical method for modeling of a disc-type PMHS motor. Design/methodology/approach Because...

...) motor and is verified by comparing with the corresponding results obtained through finite element method (FEM), and frozen permeability finite element method (FP-FEM). Originality/value This paper presents an ICM method with a new technique for saturation effect modeling, which can be used...

... the mathematical operations for most cases. The approximation works with good accuracy, acceptable in practical calculations. This approximation has already formed the foundation of the “hyperbolic model” in magnetism for the study of hysteretic phenomena. The reversal of the Brillouin function is an important...

.... Harmonic level due to simultaneous PC operation is quantified by the total harmonic distortion of input current (THD_I). The purpose of this paper is to propose a multi-parameter mathematical model for the THD_I calculation. The model is convenient...

... for machine modeling and nonlinear B-H curve is considered for saturation effect. The machine has some differential equations which are converted to algebraic type by trapezoidal method. On the other hand, some nonlinear equations are present due to saturation effect. A set of nonlinear algebraic equation...