2000, No 1
CONTENTS
Electrodynamics of electrical power devices DEGTYAREV V.V. A mathematical model of an external magnetic field of an engineering object __________ 3 LUPIKOV V.S. Increase of the methods efficiency which are used for an electrical equipment external magnetic field reduction ___________________________________________________________________ 7 BARANOV M.I., BONDINA N.N., KRAVCHENKO V.I. Induced voltages and currents computation in communication cables at a direct lightning stroke of their sheath________________________________ 14 SINEGLAZOV V.M., MELNICHENKO A.V. A new method of a lightning strike points determination of an airplane________________________________________________________________________ 18 ZATSEPIN N.N. Vector diagrams of the second and the fourth harmonics of a dynamic magnetic permeability_________________________________________________________________________ 22
Conversion of electric energy parameters GRIGORENKO V.V., SINITSKY L.A. Circuits analysis algorithm with time constants big spread__________ 27 NOVSKY V.A. Speed currents balancing in a three-phase four-wire system with non-linear loads________ 31 MOSTOVJAK I.V., MOSTOVJAK D.I. Currents and voltages of storage elements of a converter with the given input and output instantaneous power____________________________________________ 36 KHALIKOV V.A., MOZHAROVSKY A.G. Probabilistic characteristics of voltage deviations in public use networks and their metering in digital systems of an alternating voltage control_________________________39
Electromechanical energy conversion KONDRATENKO I.P., RASCHEPKIN A.P. Electrical parameters balancing of linear asynchronous machines_____________________________________________________________________________44 MAZURENKO L.I. Trasient processes analysis of an asynchronous valve generator excitation with a storage battery________________________________________________________________________49 DEGTEV V.G. Invariance of vector diagrams of polyphase windings_________________________________52 KLINGER K. A three-phase asynchronous electric drive with high dynamic properties___________________ 55
Electrical power systems and installations ZORIN V.V., TSYGANOVA L.N. Universal mathematical models of distributive power networks____________ 59 SIDOROV A.F. About a "rigidity" of a frequency maintenance in the Interconnected power system of Ukraine________________________________________________________________________________ 62
Electrical and magnetic measurements KHOMA V.V. Delta-modulation in a parametrical control means of semiconductor structures______________ 65 SURDU M.N., ORNATSKY O.A., KOROTKOV B.V., AKHMADOV A.A., SHOVKUN S.V. A test circuit structure optimization for electric circuits parameters on an alternating current ________________________ 70 Discussion PAMPURO V.I. Problems of a power generation modernization efficiency in the conditions of a transition to the market __________________________________________________________________ 74
In commemoration of the 70th anniversary of G.G. Schastlivy, akademician of the National Academy of Sciences of Ukraine________________________________________________________________________ 79
Abstracts_______________________________________________________________________________80 Information for authors
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