The paper deals with design analysis and simulation of power resonant inverter with integrated LCLC filter and VF transformer (LCTLC). The filter provides sinusoidal output voltage for sensitive loads with harmonic distortion roughly 5% in the whole range of the load (0-100%).&#x...

Methods of computer modelling and simulations represent a strong tool in the technical practice. It is widely utilized because of its effectiveness and variability. Applied to modelling of biological system it allows to study a body under physiological conditions or evaluate the&...

This paper deals with electromagnetic fields of three-phase overhead power lines and the effects their interference has on buried cables. The work analyzes electric and magnetic fields of power transmission lines and simulates their field's influence on buried cables. Furthermore, ...

Two approximate formulae for skin effect in conductor of rectangular cross section were derived in the last time. They differ in the current distribution not only in the conductor volume but also on its surface. Since the current distribution in the conductor cannot be&...

The paper deals with a proposal of a novel computational method of magnetic field distribution in a transformer window. The method reduces demands on computational time and computer memory whereas it increases accuracy of the results. The principle of the method is described...

The paper shortly deals with hard magnetic materials used in this application. Then, it deals with Halbach array and its possible use in magnetic separation. Also, some results of magnetic flux density distribution in separator working space are presented.

Processes of mass transfer and ionic-plasma burial in a surface in the non self-maintained discharge with imposing of a alternating electromagnetic field are considered. Efficiency of imposing of a alternating field in ionic-plasma installations for thermo-chemical processing is shown.

This paper shows how the shift of the axes of conductors influences on the total magnetic field of the unshielded three phase flat high current busduct. This phenomenon has been described with the formulas relevant to the relative values of the field and the parame...

The paper is devoted to the problems of research of induction machines for electrodynamic separation in the traveling magnetic field. Different designs of separators (with cylindrical or linear primary) are applied depending on capacity of units and on wastes properties.

An attempt at obtaining a model analytical solution of a nonlinear problem in the electromagnetic field is presented. The analysis is brought forth for a three-layer structure, with a nonlinear conducting region, which is placed in a uniform harmonic electromagnetic field. The&#x...

Research of influence of form and size of particles on pushing out ability of magnetic fluid separator.

Problems of simulation of electromagnetic field taking into account hysteresis effect, at low-temperature heating of ferromagnetic steel, are considered in the present paper. Methods of numerical calculation of induction, resistive, and inductionresistive systems for ferromagnetic steel heating are&...

The paper presents a model of an induction heating implemented in FLUX 3D. Taken multi-variant calculations of current density distributions. The paper presents the distribution of current density only for the power source frequency of 9835 Hz. Knowledge of current density distri...

The concept of active thermal insulation is explained and its application for induction heating of specific metal parts is analyzed. Its features ale illustrated by a typical example whose results are discussed.

Sophisticated methods of automatic adaptivity in finite element methods of higher order of accuracy are presented. The main attention is devoted to hp-adaptivity techniques that exhibit the highest level of flexibility and exponential convergence of results.