This paper deals with the application of EXCEL VBA in teaching the electromagnetic field.

The paper deals with the verification of the experimental electrostatic separator. Some individual industrial plastic materials are experimentally verified for finding of the direction of deflection of particles. On this basis it is selected one mixture of particles for the verificati...

Electromagnetic field (EMF) could make interference with some implantable devices like pacemakers. The aim of this work is to show some effects of radiofrequency radiation on pacemaker.

This paper deals with the possibilities of suppressing influence of electrical and magnetic fields of three-phase overhead lines on buried pipelines using shielding band. There are considered various shapes of the shielding band.

Adaptive techniques based on different criteria are presented and compared. The criteria represented by the several error estimators are applied to h-adaptive, p-adaptive and hp-adaptive approaches to the numerical solution of a typical problem solved by own code Agros2D based on ...

This paper deals with an analysis of the corona occurrence on the multi-circuit overhead lines with different voltages. The electric field is evaluated in the close vicinity of lower voltage conductors of the line. Various phase configurations have been calculated.

The paper presents the calculation results of state matrix eigenvalues (associated with electromechanical phenomena) of the power system model based on the analysis of simulated instantaneous power disturbance waveforms of power system generating units at a step disturbance introduced in&#...

The paper presents the formulae necessary for calculating the output voltage values in power transformers subject to asymmetric loads, with the use of MCAD software.

The paper presents a set of equations enabling analysis of operation of a three-phase three-winding transformer under asymmetric load. For a selected asymmetric state of the transformer the characteristic output values of the transformer have been computed with the use of the...

The paper presents the results of modeling and measuring verification of the nonlinear inductor model. A nonlinear inductor physical model based on a simplified theory was proposed and used in the computations. In the assumption it has to be easy to adapt in a far&...

Suggested is a method of improvement of computation speed of finite-element model of induction machine.

Core losses estimation in the induction motor was performed using analytical method and finite element method.

This article deals with eddy current testing (ECT) which belongs to the electromagnetic non-destructive methods. The main purpose of this work is the comparison of standard harmonic ECT with swept frequency eddy current technique. An austenitic steel plate containing notches with ...

The research described in this report is focused on the possible effect of magnetic fluids on the human organism and defining of the safety recommendations.

Preisach model was found to be a good tool for accurate description of technical ferromagnetic materials. Material in the model is given by the weighting function that must be found from experiment. The use of well-known statistical functions as an approximation of the ...

This paper deals with the investigation of the dynamics of magnetorheological fluid. The response of ferromagnetic particles to changes in external magnetic field is observed with the use of high speed camera. Optically obtained data are processed with the use of scientific ...

Investigation of pulsed eddy current non-destructive testing of bodies made of conductive materials is presented. For the purpose of development of suitable probes, the numerical model was stated. The investigated eddy current probe is a differential type consisting of one excitation&...

The PEM fuel cell represents currently one of the most common types of fuel cells and the analysis of this fuel cell behavior under various operating conditions is essential for provision of optimum performance. This contribution deals with demonstration of great influence o...

The paper deals with impact of various testing probes on eddy current signals in non-destructive evaluation of conductive biomaterials. The biomaterial samples with presence of fatigue cracks will be inspected under the same conditions. Paramagnetic biomaterials with defined electric and&#...