Translated title of the contribution: INVESTIGATION OF double-PURPOSE LINEAR INDUCTION MACHINES

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In this paper we describe some of the results of studies of special electric machines for technological purposes, in particular, linear induction machines. In such induction machines the secondary element is the processed materials and products. The expediency of using dual-purpose linear induction machines and the prospects of using linear inductors creating opposite direction traveling magnetic fields are shown. Two-purpose (multi-purpose) linear induction machines can simultaneously perform several operating functions. For example, it is possible to move metal blanks, perform their induction heating and obtain information on the parameters of motion and the position of the blanks. The modes of operation of linear machines with opposite direction traveling magnetic fields are considered with reference to the processing of metal blanks: movement of blanks, their positioning in the working zone, induction heating in running magnetic fields. Traditional methods of induction heating have been studied for many years. However, induction heating in a traveling magnetic field is not fully appreciated with respect to its main advantages and possible industrial applications. The advantages of linear induction machines that create opposite direction traveling magnetic fields are shown: increasing the accuracy of positioning of blanks and equalizing the temperature field during induction heating of metal blanks. The present work is devoted to modeling and studying some peculiar characteristics of this type of multiphase induction heating systems. The main attention is focused on the choice of the three-phase winding of the linear inductor, which provides these advantages. The article presents the results of studies of prototypes of dual-purpose linear induction machines created in the laboratory of the Department of Electrical Engineering and Electrotechnological Systems of the Ural Federal University.
Translated title of the contributionINVESTIGATION OF double-PURPOSE LINEAR INDUCTION MACHINES
Original languageRussian
Pages (from-to)108-121
JournalВестник Пермского национального исследовательского политехнического университета. Электротехника, информационные технологии, системы управления
Issue number28
Publication statusPublished - 2018



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