Speed Control of Linear Induction Motor Essay

Speed Control of Linear Induction Motor Essay

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Executive Summary
VVVF drives used to control the speed of LIM, many industrial automation worldwide such as Trains drives, Automatic Screen Door, Moving Walkway, Lift and Escalator, etc., varying the speed of the drive may save energy compared with other techniques for flow control.

This mid-term report prepared for detailing how to design and build the structure of LabVIEW simulation for speed control of Linear induction motor and explaining the characteristic of V/F Speed control for Induction motor obtain the data by LabVIEW.

The design and build of simulation has two parts, part one is simulation of LED indicator for motor speed recognize and part 2 is simulation of V/F speed control of Linear induction motor. Firstly, design a control function in front panel of LabVIEW, it use for a control system interface and show the LED indicator for speed control of frequency variable. Secondly, build up a simulation module of the block panel, which function on the palette indicate the frequency calculations. After set the value of the frequency by turning the “Frequency Variable” knob, the value will be sent to the Logics used. It is a human machine interfaces design software that is user friendly.

Table of Contents
Introduction 3
Literature search 4
Methods of Achieving Sustainability 4
Evidence of the Problem 4
Advantages of Energy Saving 4
Reference Design 5
Technical work 6
I. Lab VIEW programs 6
 Design of Software 6
 Part one - Control Panel 7
 Part two – Oscilloscopes Panel 7
Block diagram 8
II. KKVF-J Inverter 9
III. PLC of Mitsubishi FX2N 9
IV. Linear Induction Motor 9
Circuit Diagram: 10
System Block diagram: 11
Results and Conclusion 12
Project Timeline 16
Estimate of Budget Cost...

... middle of paper ...

...te: http://ieeexplore.ieee.org/xpl/login.jsp?tp=&arnumber=908369&isnumber=19614&url=http%3A%2F%2Fieeexplore.ieee.org%2Fxpls%2Fabs_all.jsp%3Farnumber%3D908369%26isnumber%3D19614 ]

[5] Superconducting Maglev-SCMaglev
[Website: http://en.wikipedia.org/wiki/SCMaglev ]

[6] Wikipedia, Variable-frequency drive
[Website: http://en.wikipedia.org/wiki/Variable-frequency_drive ]

[9] Energy Story
[Website: http://www.energyquest.ca.gov/story/chapter01.html ]

Frequency knob set to 0.1 = 6hz

Frequency knob set to 0.2 = 12hz

Frequency knob set to 0.3 = 18hz

Frequency knob set to 0.4 = 24hz

Frequency knob set to 0.5 = 30hz

Frequency knob set to 0.6 = 36hz

Frequency knob set to 0.7 = 42hz

Frequency knob set to 0.85 = 51hz

Frequency knob set to 0.9 = 54hz

Frequency knob set to 1.0 = 60hz

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