Electrical Machine-2

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UkaTarsadia University
B. Tech
Electrical Machines - II
(030060501)
th
5 Semester
EFFECTIVE FROM June-2013
UkaTarsadia University
A. Prerequisite:
Concepts of electromagnetic theory
B. Aim and Objective: To acquaint with the AC machine fundamental and operation
C. Subject Code: 030060501
Subject: Electrical Machines - II
D. Total:
90 Hrs.
[Lecture: 4
Tutorial: 0
Practical: 2]
E. Detailed Syllabus:
Sr. No.
1.
1.1
1.2
1.3
1.4
1.5
1.6
1.7
Topic Name
Three phase Induction Motor
Constructional features
Rotating magnetic field
Principle of operation
Slip
Torque and power equations
Torque-speed characteristics
Power stages in I.M.
2.
2.1
2.2
2.3
2.4
2.5
2.6
2.7
3.
3.1
3.2
Testing and Speed Control of Induction Motor
No-load & blocked rotor test
Equivalent circuit & Phasor diagram
Circle diagram & Efficiency
Starters of I.M.
Methods of speed control of 3- phase I.M.
Cogging & Crawling
Double cage squirrel cage I.M and its equivalent circuit
Single Phase Induction Motor
Double field revolving theory
Principle and operation of split phase, Resistance start,
Capacitor start and capacitor start & run motor
Shaded pole induction motor
Repulsion motor
Alternator
Constructional features
Operating principle
Armature winding
EMF equation
Winding coefficients
Equivalent circuit and phasor diagram
Armature reaction
O.C. & S.C. Tests
Voltage regulation by different method
3.3
3.4
4.
4.1
4.2
4.3
4.4
4.5
4.6
4.7
4.8
4.9
Weightage (%)
20
20
10
30
UkaTarsadia University
4.10
4.11
4.12
4.13
5.
5.1
5.2
5.3
5.4
5.5
6.
6.1
6.2
6.3
6.4
Operation of salient pole synchronous machine
Parallel operation of alternator
Operation on infinite bus
Synchronizing power & Synchronizing torque
Synchronous Motor
Starting methods
Effect of varying field current at different loads
V- Curves
Hunting & damping
Synchronous condenser
Special Purpose Motors
Universal motor
Stepper motor
D.C. & A.C. servo motors
Brushless D.C. motor
10
10
F. Modes of Transaction (i.e. Delivery)
1. Teaching activities can be carried out using conventional (chalk & board) method and/or
with advance multimedia equipment’s.
2. Theory and practical may be explained with some basic simulation tools.
3. Separate session should be conducted to explain the concept of subject practically.
G. Teachers Activities/Practicum
The following activities should be carried out by the teachers:
1. Carry out Mid-semester examination & remedial examination (if necessary).
2. Continuous evaluation may be carried out to evaluate the performance of student by
mean of arranging Quiz/viva/sessional examination.
3. Laboratory sessions are used to show the practical applications of the subject.
4. Minimum three assignments should be given to students which cover all important topic
of the subject.
H. Student Activities/Practicum
The following activities may be carried out by the students:
1. Remain present in all theory and practical sessions conducted by faculties.
2. Complete assignments and other term work time to time given by faculty.
3. Prepare a book to keep a record of practical sessions conducted by faculties and
complete the laboratory manual in time.
4. Take active part in all activities related to subject conducted by faculties.
[Weightage to be given in Continuous Internal Evaluation]
UkaTarsadia University
I. Text Books
1. Theory and performance of electrical machines, S.K.Kataria and sons, J.B.Gupta
2. A textbook of Electrical technology VOL II ( AC & DC machines) , S. Chand Publication,
B.L.Theraja & A.K.Theraja
3. Electrical Machines, Tata Mcgraw Hill, D.P. Kothari & I. J. Nagrath
J. Reference Books
1. Electric Machinery 6th Edition Tata Mcgraw Hill by A.E.Fitzerald, Charles Kingsley,
Stephen & D.Uman
2. Electrical Machinery, Khanna Publisher by Dr. P.S.Bimbhra
3. Electrical Machines (Theory, operation, application, adjustment and control) Pearson
Publication, 2nd edition, Charles.I.Hubert
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