...Jan Kühn; Andreas Bartel; Piotr Putek Purpose The thermally extended Tellinen model (Kühn et al., to appear) is here investigated and equipped with a hysteresis loss model, while preserving its simple structure. Design/methodology/approach As in the original model, these approaches...

...Vesna Rubežić; Luka Lazović; Ana Jovanović Purpose The purpose of this paper is to propose a chaotic optimization method for identifying the parameters of the Jiles–Atherton (J-A) hysteresis model. Design/methodology/approach The J-A model has five parameters which are assigned with physical...

...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...

... the hysteresis behaviour in the numerical model. Design/methodology/approach The model is implemented into a standard finite element formulation to compute transient problems. Findings Inrush currents behave like faults in power distribution facilities. Its prior estimation helps to distinguish between...

... to present a novel approach in the mathematical modeling of the device with the inclusion of hysteresis. Design/methodology/approach The Jiles–Atherton’s hysteresis model is utilized to develop the mathematical model of the limiter. The model is numerically solved using MATLAB. To support the validity...

... description of the magnetic properties. To that end, a set of samples issued from the same chain of assembly is considered. The hysteresis model is then developed by accounting for the parameter correlation structure. Findings – It is found that the magnetic hysteresis properties of the studied samples...

...Andrzej Demenko; Kay Hameyer; Wojciech Pietrowski; Livio Šušnjić; Krzysztof Zawirski; Martin Petrun; Krzysztof Chwastek; Drago Dolinar Purpose The aim of the paper is to provide a simple and reliable hysteresis model for prediction of magnetization curves of a resistance spot welding transformer...

...Carlos L. Antunes; Ramezan‐Ali Naghizadeh; Behrooz Vahidi; Seyed Hossein Hosseinian Purpose The purpose of this paper is to implement a simple, fast and accurate heuristic method for parameter determination of Jiles‐Atherton (JA) hysteresis model for representing magnetization in electrical steel...

... hysteresis model that was designed and incorporated into the 2D time‐stepping finite‐element (FE) simulation of induction machines. The developed approach here is a decoupling between the vector hysteresis model and the 2D FE model of the machine. The huge time consumption of the incorporated hysteresis...

...J. Gyselinck; L. Vandevelde; J. Melkebeek; P. Dular This paper deals with the magnetic vector and scalar potential formulation for two‐dimensional (2D) finite element (FE) calculations including a vector hysteresis model, namely a vectorized Jiles‐Atherton model. The particular case of a current...

... that the value of compression rarely exceeds 8 MPa. This is far below the yield stress of electrical steels, but has considerable impact on anisotropy and may cause additional losses. © MCB UP Limited 2003 Hysteresis Modelling Electrical machines During the last decade, there has been...

...Miklós Kuczmann; Amália Iványi On the basis of the Kolmogorov‐Arnold theory, the feedforward type artificial neural networks (NNs) are able to approximate any kind of nonlinear, continuous functions represented by its discrete set of measurements. A NN‐based scalar hysteresis model has been...

...Jenö Takács The paper presents the derivation of the Fourier coefficients of the magnetisation wave form in closed form for periodic triangular field excitation. The mathematical model used here to approximate the hysteresis loop applies exponential functions and it is presented briefly...

...Miklós Kuczmann; Amália Iványi The classical Preisach model and its modifications are one of the most generally applied simulations to model the behavior of magnetic materials, to describe hysteresis phenomena and different properties, as noncongruent minor loops, frequency dependence, temperature...

...A.G. MacPhee; S. McKee; R.R.S. Simpson A series‐LCR circuit is one of the simplest circuits capable of exhibiting ferroresonance. A numerical simulation of such a circuit is constructed using the Preisach model of hysteresis to accurately represent the non‐linear magnetic response of the inductor...

...J. Takács This paper starts with the description of a purely mathematical model of the saturation curve and the hysteresis loop based on the fundamental similarities between the Langevin function the specified T(x) function and the sigmoid shape. The T(x) function which is composed of tangent...

... in computer programs leads to great difficulties beginning from the appreciation of core model parameters (Jiles et al., 1992). Therefore in many practical situations different simpler approximations are applied, and in particular, narrow hysteresis loops are replaced by anhysteretic or primary...

...Jawad Faiz; M.B.B. Sharifian This paper presents various available and new techniques for prediction of the hysteresis loop, no‐load current curve and hysteresis losses. It is shown that linearization is a convenient method to be employed for quick estimation of the hysteresis loop with acceptable...

.... This method uses nonlinear optimization techniques and several experimental loops with different magnitudes, or measurements obtained with a low frequency supply signal, for a precise determination of the hysteresis model parameters. It is validated by the identification of two different kinds of magnetic...

... hysteresis curves for both major and minor cycles have shown the effectiveness of the proposed method. In the same way, if the nodes form a square, the obtained integration value is given by: (see equation 7) Where S₁, S₂, S₃ and S₄ are the integration...