2001, No 1
CONTENTS
The Ukrainian science — a look into XXI centure STOGNIY B.S., KIRILENKO O.V., JANDULSKY O.S. Problems and methods of increase of information provision systems efficiency in power industry____________________________________ 3
Electrodynamics of electrical power devices PODOLTSEV A.D., KUCHERJAVAJA I.N. Computation of eddy currents and losses in massive conductors system considering a proximity effect and an external magnetic field influence_____________11 ROSOV V.Yu. Methods of decrease of external magnetic fields of power saturative installations________16 KUCHAEV A.A. A numerical solution algorithm of a tree-dimensional electromagnetic field for a ladle-furnace installation is considered_________________________________________________21 SHIDLOVSKA N.A., KRAVCHENKO O.P. Accumulator discharge on a non-linear active load__________ 26
Conversion of electric energy parameters FEDIY V.S., SOBOLEV V.N. Electromagnetic processes in polyphase electric circuits with serial RLC-circuits and commutators________________________________________________________ 30 ZHEMEROV G.G., KRYLOV D.S. Network currents of sixpulse bridge and equivalent twelve-pulse controllable rectifiers___________________________________________________________________ 39 VOLKOV A.V. Engine power losses in asynchronous electric drives with AVI-PWM and DFC____________ 44
Electromechanical energy conversion NOSKO A.A., REZTSOV V.F., SURZHIK T.V. Conditions of electromechanical systems self-excited oscillations with a non-linear hydromechanical load ________________________________ 51 VYGOVSKY A.V.,VERBOVOI A.P. Induction rheostat heating __________________________________ 55
Electric power systems and installations LYSIAK G.M. A comparative estimation method of expenses efficiency into power units elements taking into consideration their reliability indices ______________________________________________ 59 FEDORENKO G.M., SARATOV V.A. Asynchronized turbogenerators and static thyristor compensators — means of efficiency increase of electric energy generation and transmission___________ 65 CHICHIKALO N.I., ZORI A.A. Expansion of functional possibilities of information-measuring systems of strength-distorted technological installations_______________________________________________ 69
Electrical and magnetic measurements KARASINSKY O.L., TESIK Ju. F. Power measurement algorithm orientated on implementation in microcontrollers________________________________________________________________________ 76
Abstracts____________________________________________________________________________79
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