Syllabus - ELECTRIC SYSTEMS AND MACHINES EE 503- for TU IOE All BE second year first part (third semester)
ELECTRIC
SYSTEMS AND MACHINES
EE 503
Lecture : 3 Year : II
Tutorial : 1 Part
: I
Practical : 3/2
Course Objective:
After completion of this course
the student will be able to understand the fundamentals of electrical supply,
measurement, safety, protection and machines.
1.
Introduction to supply and distribution (6 hours)
1.1
Introduction
to electrical supply & distribution
1.2
Introduction
to electrical installation
1.3
Wiring
material and accessories
1.4
Control
& protection
1.5
Earthing of
installation
2.
Electrical measurements (2 hours)
2.1
Introduction
2.2
Electrical
measuring instruments
3.
Electrical maintenance & safety ( 4 hours)
3.1
Electric
shocks, effect & precaution
3.2
Electrical
maintenance and care
3.3
Safe use of
electricity
4.
Electromagnetism (4
hours)
4.1
Introduction
4.2
Magnetic
field due to electric current
4.3
Force on
current carrying conductor
4.4
Force
between parallel conductor
4.5
Torque
experienced by the coil
4.6
Electromagnetic
induction
4.7
Statically
& Dynamically induced EMF
5.
Magnetic circuits (3 hours)
5.1
Introduction
5.2
Magneto
motive force
5.3
Magnetic
circuit theory
5.4
Self &
mutual inductance
6.
Transformer (7 hours)
6.1
Introduction
6.2
Working
principle of transformer
6.3
Transformer
construction
6.4
Types of
transformer
6.5
Transformer
at load and no load condition
6.6
Voltage
regulation of a transformer
6.7
Types of
losses and Efficiency of a transformer
6.8
Three-phase transformer
7.
Generators ( 6 hours)
7.1
Introduction
7.2
Construction
of generator
7.3
Operating
principle of generator
7.4
EMF equation
7.5
Types of
generator
7.6
Uses of
different types of generator
7.7
Generator
ratings
7.8
Diesel
generator set use and maintenance
8.
D.C. motors (4 hours)
8.1
Introduction
8.2
Working
principle of d.c. motor
8.3
Construction
of d.c. motor
8.4
Types of d.c. motor and their uses
8.5
D.C. motor connection
9.
A.C. motors (5 hours)
9.1
Introduction
9.2
Operating
principle of induction motor
9.3
Construction
of induction motor
9.4
Connection
for starting, reversing and
speed changing
of 3-phase
induction motor
9.5
Methods of
power factor improvement
9.6
Synchronous
motors
10.
Single phase motors (2 hours)
10.1
introduction
10.2
AC series
motor
10.3
Universal
motor
10.4
Stepper
motor
10.5
Application
of single phase motors
11.
Selection of Electric motors (2 hours)
11.1
Electric
Characteristics
11.2
Types of
Enclosures
11.3
Size and
Ratings
11.4
Estimation
of Motor Ratings
Practical:
1.
Load test on a single phase transformer
1.1
To determine
the polarity of the primary and secondary winding
1.2
To find the
turns-ratio
1.3
To determine
the efficiency at different loads
1.4
To determine
the voltage regulation
2.
Open circuit and short circuit test on a
single phase tansformer
2.1
To find
efficiency at various load
2.2
To find the
load at which efficiency is maximum
2.3
To calculate
the voltage regulation at full load at p.f. i) 0.85 lagg and ii) 0.85 lead.
3.
Study of constructional details and starting
of d.c. machine
3.1
To study the
constructional features of a d.c. machine
3.2
To measure
winding resistance
3.3
To start and
reverse the direction of the rotation of a d.c. motor
4.
Speed control of a d.c. shunt motor
4.1
To plot the
speed versus field current characteristics curve for a d.c shunt motor
4.2
To plot the
speed versus armature voltage characteristics curve for a d.c. shunt motor
5.
Three-phase induction motor starter
5.1
To study the
various types of three-phase induction motor starter
5.1.1
Auto-transformer starter
5.1.2
Star-delta starter
5.1.3
DOL starter
6.
Load test on three phase induction motor
6.1
Compute,
torque, output power, input power, efficiency, input power factor and slip for
various load settings
6.2
To plot the
following curves from the data obtained in part (6.1)
6.2.1
Efficiency
vs output power
6.2.2
Torque vs
output power
6.2.3
Line current
vs output power
6.2.4
Power factor
vs output power
6.2.5
Slip vs
output power
References
1.
D.C. Kulshreshtha “Basic Electrical Engineering” Tata McGraw Hill Private limited,
New Delhi 2010
2.
B.R.Gupta & Vandana Singhal “ Fundamentals of Electric Machines” New age international publishers,
New Delhi 2005
3.
Dr. N.K. Jain “ A text book of practical in Electrical
Engineering”, Dhanpat
Rai Publishing Company,New Delhi 2002
Evaluation Scheme:
The questions will cover all the chapters of
the syllabus. The
evaluation scheme will be as indicated in the table below:
|
Chapters
|
Hours
|
Marks
distribution*
|
|
1
|
6
|
12
|
|
2 & 3
|
6
|
12
|
|
4 & 5
|
7
|
12
|
|
6
|
7
|
12
|
|
7
|
6
|
8
|
|
8
|
4
|
8
|
|
9
|
5
|
8
|
|
10 & 11
|
4
|
8
|
|
Total
|
45
|
80
|
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