Driver for an Induction Motor
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Transcript of Driver for an Induction Motor
![Page 1: Driver for an Induction Motor](https://reader034.fdocuments.in/reader034/viewer/2022052605/577cc5441a28aba7119bddd8/html5/thumbnails/1.jpg)
DRIVER FOR AN
INDUCTION MOTOR Project object: To design and develope a prototype for driving an induction motor to be used on the concrete vibrators.
Industry :ONİŞ A.Ş.
Present team :Begüm Coşkun
students (Sadık Turgut)
Supervisors : Celal Zaim Çil
Klaus Schmidt
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The company was founded in 1962 to manufacture the construction machines and tools and also provide services to customer, and selling construction tools and goods. It is located in OSTIM.
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CONCRETE VIBRATOR
Spectifications of the circuit;
Input:220Vac,50 Hz line voltage(1-phase)
Output:55Vac,200Hz,2 kw 3 phase signals to drive the induction motor (open-loop) .
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THE CIRCUIT
PIC VOLTAGE
SUPPLIES
OPTICAL
INTERFACE DRIVER
H/W S/W DC
RECTIFIER1
DC
RECTIFIER2
DC
RECTIFIER3
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DRIVING AN AC INDUCTION MOTOR
DC VOLTAGE MOTOR
AC line
Voltage
PWM Signals
(6 Signals)
Principle Schematic System Concept
Rectıfier Driver
Control Circuit
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Pulse Width Modulation
From developed simple pwm signal software, upper and lower switch of pwm simulations are obtained on digital oscilloscope as seen below;
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6 PWM Signals
PWM1 PWM1 INVERSE PWM2 PWM2 INVERSE PWM3 PWM3 INVERSE
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PWM signals will be generated by a software we develop on the PIC 18f4431
After these 6 signals are generated we supply them to the optocoupler to seperate to low voltage power from the high voltage (power) part.
We decide to use a motor driver of the type IRAM 136-3023B i motion series
In the inpot side we build 3 rectifiers to obtain 3 different DC voltages with separate grounds.
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PROJECT TIME PLAN
15 Oct-15 Dec 2011 -Develop the PWM signal on PIC.
15 Dec-21 Dec 2011 -Test the PWM signals at lab.
15 Oct-01 March 2012 -Developing rectifiers.
21 Dec-01 March 2012 -Connect the low voltage part with high voltage part.
01 March-15 March 2012 -Test the circuit with power part at lab with motor.
01 March-15 March 2012 -Integrate the rectifier with the part of the circuit.
15 March-30 March 2012 -Test the full circuit at lab.
01Apr-30 May 2012 -Manufacture the PCBS and box.
01 May-30 May 2012 -Test the device on the field.