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Course Specifications
General Information
Course name
Electrical Machines (2)
Course number
ITME3330
Faculty
Engineering and Information Technology
Department
Engineering Department
Course type
Major Needs
Course level
3
Credit hours (theoretical)
3
Credit hours (practical)
0
Course Prerequisites
Course Objectives
1 - The course aims to give trainees basic knowledge of construction, theory, performance analysis, and
applications of three-phase induction motors, dc generators, dc motors, Single-Phase and Special-Purpose
Motors
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Intended Learning Outcomes
Knowledge and Understanding
* a1)Understand the key differences between a synchronous motor and an
induction motor.
* a2)Understand the concept of rotor slip and its relationship to rotor frequency.
* a3)Understand the techniques used for induction motor starting.
* a4)Understand how the speed of induction motors can be controlled.
* a5)Understand how voltage is induced in a rotating loop.
* a6)Understand how curved pole faces contribute to a constant flux, and thus
more constant output voltages.
* a7)Know the types of de motors in general use.
* a8)Understand how to derive the torque-speed characteristics of separately
excited, shunt, series, and compounded de motors.
* a9)Understand the methods of starting DC motors safely.
* a10)Understand the equivalent circuit of a DC generator.
* a11)Understand why a universal motor is called "universal."
* a12)Understand how it is possible to develop unidirectional torque from a
pulsing magnetic field in a single-phase induction motor.
* a13)Understand how to start single-phase induction motors.
* b7)Understand how a DC generator can start without an external voltage
source.
Intellectual Skills
* b1)Understand and know how to use the equivalent circuit of an induction
motor.
* b2)Understand power flows and the power flow diagram of an induction motor.
* b3)Understand how to measure induction motor circuit model parameters.
* b4)Understand and be able to use the equation for induced voltage and torque
in a de machine. Understand commutation.
* b5)Be able to perform nonlinear analysis of de motors using the
magnetization curve, taking into account armature reaction effects.
* b6)Understand how to control the speed of different types of de motors.
* b8)Understand the characteristics of the different single -phase induction
motor classes: split-phase, capacitor-type, and shaded pole.
* b9)Be able to calculate induced torque in a single-phase induction motor.
* b10)Understand the basic operation of reluctance and hysteresis motors.
Professional Skills
* c1)Be able to use the equation for the torque-speed characteristic curve.
* c2)Understand the induction machine used as a generator.
* c3)Understand problems with commutation, including armature reaction and
L di/dt effects.
* c4)Understand the special characteristics of series de motors, and the
applications that they are especially suited for.
* c5)Understand how to derive the voltage-current characteristics of separately
excited, shunt, series, and compounded dc generators.
General Skill
* c6)Understand the operation of a stepper motor.
* d1)Understand how the torque- speed characteristic curve varies with different
rotor designs.
* d2)Understand induction motor ratings.
* d3)Understand the power flow diagram for DC machines
* d4)Understand the equivalent circuit of a dc motor.
* d5)Be able to explain the problems associated with a differentially
compounded de motor.
* d6)Be able to perform nonlinear analysis of dc generators using the
magnetization curve, taking into account armature reaction effects.
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* d7)Understand why a universal motor is called "universal."
* d8)Understand the operation of a brushless de motor
General Skill
Course Contents
1 - Induction Motors
2 - DC Machinery Fundamentals
3 - DC Generators
4 - DC Motors
5 - Single-Phase and Special-Purpose Motors
Teaching and Learning Methods for the Disabled Students
1 - Lectures
2 - Tutorial Exercises
3 - Laboratory Experiments
Students Assessment
Assessment Method
TIME
MARKS
Mid-Term Exam
6th week
20
Laboratory Experiments
During the 16 weeks
25
Class Work
During the 16 weeks
5
Final Exam
16th week
50
Books and References
Course note
Lecture Course Notes
Essential books
Electric machinery fundamentals / Stephen Chapman. - 4th,TK2000.C46 2005.
Recommended books
Electric machinery / A. E. Fitzgerald, Charles Kingsley, Jr., Stephen D. Umans. --6th ed,
TK2181 .F5 2003..
Knowledge and Skills Matrix
Main Course Contents
Study Week
Knowledge and
Intellectual Skills
Professional Skills
General Skill
Understanding
Induction Motors
1-3
a1, a2, a3, a4
b1, b2, b3
c1, c2
d1, d2
DC Machinery Fundamentals
4-6
a5, a6, a7, a8
b4
c2, c3
d1,d2
DC Generators
7-9
a10
b5,b7
c5
d3
DC Motors
10-12
a9,
b6
c6
d4, d5, d6
Single-Phase and
Special-Purpose Motors
13-15
a11, a12, a13
b8, b9, b10
c6
d7, d8
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