Research of electric drive at load impact on hot plate mill 5000

2015 International Conference on Mechanical Engineering, Automation and Control Systems (MEACS) Pub Date : 2015-12-01 DOI:10.1109/MEACS.2015.7414864

A. Radionov, A. Maklakov, V. Gasiyarov, E. A. Maklakova

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引用次数: 23

Abstract

This article is devoted to research a load impact on an electric drive, which appears during a metal capturing by work rolls of reversible hot plate mill 5000 of OJSC “Magnitogorsk Iron and Steel Plant” [1]. An analysis of the load impacts has been carried out by electromechanical system simulation of the rolling stand using Matlab application. A mechanical part of the electromechanical system was considered as a double mass system. Causes of the load impact appearance are execution additional torsional vibrations by synchronous motor and deformation resilient elements of drive. Methods of load impact elimination have been offered. Simulated transient processes of torque and speed were presented. It is clearly seen that developed method has been allowed to reduce the magnitude of torque at load impact. Based on the research results, it can be concluded that possibility of reliability improving of rolling equipment and wear reducing of work rolls will be provided via the offered method.

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5000热轧机负荷冲击时电传动的研究

本文研究了OJSC“马格尼托格尔斯克钢铁厂”5000可逆热轧机工作辊捕获金属过程中出现的负荷对电传动的影响[1]。利用Matlab软件对轧制机架进行了机电系统仿真，分析了载荷的影响。机电系统的机械部分被认为是一个双质量系统。负载冲击产生的原因是同步电机产生额外的扭转振动和驱动的变形弹性元件。提出了消除载荷冲击的方法。模拟了转矩和转速的瞬态过程。可以清楚地看到，所开发的方法已被允许减小负载冲击时的扭矩大小。研究结果表明，该方法为提高轧制设备的可靠性和降低工作辊的磨损提供了可能。

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2015 International Conference on Mechanical Engineering, Automation and Control Systems (MEACS)

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