2002, № 4 CONTENTS Theoretical electrical engineering and electrophysics SCHERBA A.A., PODOLTSEV A.D., KUCHERJAVAJA I.N. Investigation of pulse current flow between current conducting grains________________________________________________________ 3 SHABLINSKAJA S.N., MIKHAILOV V.M. About a field duration problem which causes level lines — hyperbolas____________________________________________________________________ 7 KIRPATENKO I.M.Piecewise-linear approximation of volt-ampere characteristic of a photographic battery___________________________________________________________________ 11 BONDARENKO D.V. Application of equivalent circuits at circuits computation with a double-component injection laser___________________________________________________________13 Conversion of electric energy parameters PERESADA S.M., KOVBASA S.N. Generalized algorithm of a direct vector control of an asynchronous motor_________________________________________________________________ 17 VOLKOV A.V. Power factor of an asynchronous electric drive with absolutely controllable power switches of DFC________________________________________________________________________ 23 OLESCHUK V.D, BOSE B.K., OVCHARENKO N, ERMURATSKY V., SIZOV A., YAROSHENKO E. Synchronized Scheme of High-Performance Continuous Pulsewidth Modulation for Variable Speed Drives __________________________________________________________________________ 30 MOSTOVJAK I.V., VOZNY V.A., BOIKO P.S. Currents and voltages at a cascade joint of ideal converters__ 37
Electromechanical energy conversion AFONINAA.,SHYMCHAK P. Specific features of disk electric motors_____________________________ 39 SHAITOR N.M. Special features of a theory and designing of magnetic switch electromechanical converters___________________________________________________________________________ 45 BILYKP.D., CHUMAKV.V. Differential voltages equations of a saturated asynchronous traction motor ___ 49
Electric power systems and installations STOGNIY B.S., MASLYANIK V.V., NAGORNYI P.D., DEMCHENKO NA., ZHEREB A.A. Ferroresonance processes in earth circuits with the insulated neutral____________________________ 56 KOSHMAN V.I., SABARNO L.R.Forming of phase manipulated signals of voice frequency of direct and indirect phase sequence___________________________________________________________ 61
Electrotechnological complexes and systems GLUKHEN'KY A.I., GORISLAVETS Yu.M., PETUKHOV I.S. A magnetic field computation in electromagnetic meters of liquid metal______________________________________________________ 66 RAKITSKY L.B., PRIMACHENKO D.V., VOZNY V.F. Efficiency increase of compression motors of domestic refrigerators_______________________________________________________________ 69
Information measuring systems in power engineering BOROVIKOVA O.Yu., KRASIL'NIKOV A.I., MYSLOVICH M.V. Models of Puasson spectral function by Kolmogorov in diagnostic problems of electrotechnical equipment ______________________________ 73
Abstracts___________________________________________________________________________ 79
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