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2005 р., 2

CONTENTS

Theoretical electrical engineering and electrophysics

SHCHERBA A.A., PODOL'TSEV A.D., KUCHERJAVAJA I.N. The distribution of pulse-current

density in the space between electrodes filled with metal granules_________________________________ 3

CHABAN V. A mathematical theory of Lorentz force___________________________________________ 10

VOLOKHOV S.A. Magnetic state estimation of a ferromagnetic construction with the phase

diagrams method_______________________________________________________________________ 12

Conversion of electric energy parameters

FEDIY V.S., NAMESTNIK S.G. Influence of Q(-factor) on harmonic composition of a network current

of a three-phase monoharmonic active filter________________________________________________ 18

YURCHENKO M.M., SHEVCHENKO P.M., GUTSAUUK V.Ya, TVERDOKHLIB Yu.O. Commutation

processes in power modules of transistor converters of power supply systems of airborne

production equipment_________________________________________________________________ 21

KOMAROV N.S., MONZHERAN Yu.P., VOZNY V.A. Normal and emergency modes of a multiphase

pulse current controller which is loaded onto a powerful gas plasma generator______________________ 25

VELYKIY V.I., ANDRIJCHUK V.A. Frequency characteristics of an output stage of electronic start

controllable units (ESCU) for luminescent lamps. Normal operating condition_______________________ 33

Electromechanical energy conversion

AFONIN A.A., VARDAKH M. Simulation of magnetic systems of electric motors with plane constant

magnets in a cylindrical shape rotor________________________________________________________ 37

SHYMCHAK P. Magnetic systems of a mosaic structure of disk electric generators

with constant magnets__________________________________________________________________ 44

SARATOV V.A. Determination of a turbo-generator TVF-120 parameters by estimated frequency

responses__________________________________________________________________________ 51

Electric power systems and installations

VASYLIV K.M. A mathematical model of dynamic processes of an autonomous electric power system

on the basis of a contactless asynchronized generator with a two-phase—three-phase cascade

modulated exciter____________________________________________________________________ 54

RAMAZANOVA Z.U., REZTSOV V.F., SURZHIK T.V., KHADZHINOV A.L. Analysis

of unsteady spatial inhomogeneous conditions in long lines at dependence of leakage current conductance

on voltage and temperature______________________________________________________________ 60

SHOSTAK V.O., SOKOLOVSKY S.A., BRZHEZITSKI V.O., BELYAEV V.K., YANISCHEWSKYJ W.I.

Lightning overvoltage characteristics in a medium voltage distribution line____________________________ 64

PENTEGOV I.V., LARCHENKO B.B. Analysis of processes in hexagonal autotrasformer devices

of high current harmonics suppression_____________________________________________________ 70

Scientific information

News from the High certificate committee of Ukraine__________________________________________ 76

Abstracts___________________________________________________________________________ 80