Modelling the Load Torques of Electric Drive for Polymerization Process

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Technical University of Cluj Napoca, Romania

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Slovak University of Technology, Slovakia

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The University of Texas at Arlington, United States

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University of Brest, France

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UPC Broadband Slovakia, Slovakia

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Brno University of Technology, Czech Republic

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Brno University of Technology, Czech Republic

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National Taiwan University of Science and Technology, Taiwan, Province of China

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Ankara University, Turkey

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Institute of Medical Technology and Equipment, Poland

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VSB - Technical University of Ostrava, Czech Republic

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Academy of Sciences of the Czech Republic, Czech Republic

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University of Defence, Czech Republic

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University of Hradec Kralove, Czech Republic

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Technical University of Radom, Poland

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Technical University of Kosice, Slovakia

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Hongik University, Korea

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Buryat State University, Russia

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University of Huddersfield, United Kingdom

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Ca’ Foscari University of Venice, Italy

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University of New Haven, United States of America

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Ton Duc Thang University, Vietnam

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Ton Duc Thang University, Vietnam

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VSB - Technical University of Ostrava, Czech Republic

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Wroclaw University of Science and Technology, Poland

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The University of Edinburgh, United Kingdom

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Technical University of Cluj Napoca, Romania

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Henan Polytechnic University, China

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Ton Duc Thang University, Vietnam

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University of Pardubice, Czech Republic

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Delhi Technological University, India

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Ho Chi Minh City University of Technology and Education, Vietnam

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DIMES Department of University of Calabria, Italy

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Henan Polytechnic University, China

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Ho Chi Minh City University of Transport, Vietnam

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Ho Chi Minh City University of Transport, Vietnam

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Ton Duc Thang University, Vietnam

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Modelling the Load Torques of Electric Drive for Polymerization Process

Andrzej Popenda

DOI:

Abstract

The problems of mathematical modelling the load torques on shaft of driving motor designed for applications in polymerization reactors are presented in the paper. The real load of polymerization drive is determined as a function of angular velocity. Mentioned function results from friction in roll-formed slide bearing as well as from friction of ethylene molecules with mixer arms in polymerization reactor chamber. Application of mathematical formulas concerning the centrifugal ventilator is proposed to describe the mixer in reactor chamber. The analytical formulas describing the real loads of polymerization drive are applied in mathematical modelling the power unit of polymerization reactor with specially designed induction motor. The numerical analysis of transient states was made on the basis of formulated mathematical model. Examples of transient responses and trajectories resulting from analysis are presented in the paper.