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ArticleName Sensorless electric drive of the mixture supply system in the mold of the continuous steel casting installation
DOI 10.17580/chm.2021.03.03
ArticleAuthor K. V. Litsin, D. M. Utyamishev

Novotroitsk affiliate of National University of Science and Technology “MISiS” (Novotroitsk, Russia):

K. V. Litsin, Cand. Eng., Associate Prof.
D. M. Utyamishev, student, e-mail:


The system of automatic feeding of the slag-forming mixture into the mold of the continuous casting machine was investigated in this article. The necessity of using a slag-forming mixture in the process of steel production has been substantiated. The proofs are given that the consumption of the slag-forming mixture significantly affects the cost of the final product. The quality level of the final product depends on the uniformity and consistency of the mixture supply to the crystallizer. Therefore, the actual direction is the automation of the process of feeding the slag-forming mixture into the mold of the continuous casting machine. The description of the developed automatic installation, which implements the supply of slag-forming mixture, is presented. The necessity of using a sensorless electric drive for moving the trolley has been substantiated. A simulation model of a bogie electric drive with a vector control system based on sensorless determination of the angular speed of the engine has been developed. The description of the method for determining the angular speed of the motor based on the known values of phase voltages is given. The simulation of the developed electric drive system in the Matlab Simulink program, confirming the adequacy of the developed system. The introduction of a sensorless electric drive into the system for feeding the mixture into the mold of the continuous casting machine will increase the reliability of the entire system and reduce its weight and dimensions.

keywords Slag-forming mixture, mold, SCADA system, screw, electric drive, temperature sensor, controller

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