ELECTRIC DRIVE AND AUTOMATION OF FLYING SHEAR MILL

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Uploaded: 16.06.2016
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Thesis topic: ELECTRIC drive AND AUTOMATION of FLYING SHEAR MILL.

The explanatory note contains 121-page, including 16 figures, 20 tables. The graphic part is formed on 8 sheets of A1 format.
In this thesis project examined the introduction of a technological complex for automation of flying shear mill. When choosing the electric drive system have focused on its viability, reliability and compactness. Selection of motor and complete actuator, as well as the calculation of the basic units of the power unit. Special attention is paid to the choice of control method of the electric drive. Using the program Matlab was simulated transients in the electric drive received their schedules and frequency characteristics. Calculation of technical and economic effect of the introduction of the complex. Considered the safety issues when working on installing and implementing measures for improvement.

Additional information

Table of contents
Referat................................................................................................... ___
Vvedenie................................................................................................. ___
1. Organization of technological process of rolling strip mill 280 CJSC "Omutninsk metallurgical plant"............................................................................. ___
2. Fixed installation.......................................................................... ___
2.1 Design and technical specifications drum flying shear........... ___
2.2 Determination of efforts of cutting and the motor power........................................... ___
4. Electricity mill 280..................................................................... ___
4.1 General information about Electromechanical equipment................................ ___
4.2 Calculation of lighting.................................................................................. ___
4.3 Calculation of electrical loads................................................................ ___
4.4 Selecting the number, type and capacity of power transformers............................. ___
4.5 Selection KTP.......................................................................................... ___
4.6 Choice of method of laying cable lines................................................ ___
4.7 the Choice of the section of cable lines for the nominal parameters........................ ___
4.8 Calculation of short-circuit currents............................................................ ___
4.9. Check protective equipment............................................................... ___
4.10 Calculation of grounding device, equipotential bonding........................... ___
5. Electric drive of flying shears................................................................. ___
5.1 work Condition and requirements to design the drive ___
5.2 Design and specification-drum flying shear.......... ___
5.3 Analysis of regulatory systems.................................................................. ___
5.4 Determination of the effort of cutting and the motor power.......................................... ___
5.4.1 Choice of the frequency Converter............................................................ ___
5.5 the cutting Cycle, the speed reference.................................................................. ___
5.6 Calculation of asynchronous motor parameters................................................. ___
5.7 Calculation of the structural scheme of the actuator in absolute units.................. ___
5.8 the Calculation of the block diagram in relative units.................................... ___
5.9 Synthesis of controllers of electric drive control system............................. ___
5.10 Analysis of the obtained mathematical model.............................................. ___
5.11 analysis of the static and dynamic properties of the actuator........................ ___
5.12 the Development of a digital controller of the electric drive control system for flying nogenic................................................................................................... ___
6 automation section of the mill 280............................................................... ___
6.1 Levels of automated system management area of the rolling mill ___
6.2 equipment Selection............................................................................. ___
7. Health and safety in the operation of Electromechanical equipment and maintenance of electrical installations.............................................. ___
8. Technical and economic indicators of project solutions................................. ___
8.1 calculation of the number of industrial production personnel..................... ___
8.2 Calculation of payroll..............................................

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