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Visvesvaraya Technological University VTU
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Topic:

Basic Electrical Engineering
15ELE15
SYLLABUS
Subject Code: 15ELE15/25
No. of Lecture Hrs./ Week : 04
Total No. of Lecture Hrs. : 50
IA Marks : 20
Exam Hours : 03
Exam Marks : 80
Course objectives:
• Impart a basic knowledge of electrical quantities such as current, voltage, power, energy and
frequency to understand the impact of technology in a global and societal context.
• Provide working knowledge for the analysis of basic DC and AC circuits used in electrical and
electronic devices.
• Develop selection skill to identify the type of generators or motors required for particular
application
• Highlight the importance of transformers in transmission and distribution of electric power.
• Emphasize the effects of electric shock and precautionary measures.
• Improve the ability to function on multi-disciplinary teams
Module – 1
1a. D.C.Circuits: Ohm’s Law and Kirchhoff’s Laws, analysis of series, parallel and seriesparallel circuits excited by independent voltage sources. Power and Energy. Illustrative
examples.
1b. Electromagnetism: Review of field around a conductor, coil, magnetic flux and flux
density, magneto motive force and magnetic field intensity, reluctance and permeability,
definition of magnetic circuit and basic analogy between electric and magnetic circuits. 5 Hours
Electromagnetic induction: Definition of Electromagnetic Induction, Faradays Laws, Fleming’s
right hand rule, Lenz’s Law, Statically and dynamically induced emf. Concept of selfinductance, mutual inductance and coefficient of coupling. Energy stored in magnetic field.
Illustrative examples. Force on current carrying conductor placed in a magnetic field, Fleming’s
left hand rule.
Department of EEE, SJBIT
5 Hours
Page 1

Basic Electrical Engineering
15ELE15
Module – 2
2a. D.C. Machines: Working principle of D.C.Machine as a generator and a motor. Types and
constructional features. Types of armature windings, Emf equation of generator, relation between
induced emf and terminal voltage with an enumeration of brush contact drop and drop due to
armature reaction. Illustrative examples, neglecting armature reaction. Operation of D.C. motor,
back emf and its significance, torque equation. Types of D.C. motors, characteristics and
applications. Necessity of a starter for D.C. motor. Illustrative examples on back emf and torque.
7 Hours
2b. Measuring Instruments: Construction and Principle of operation of dynamometer type
wattmeter and single phase induction type energy meter.
3 Hours
Module – 3
3a.Single-phase A.C. Circuits : Generation of sinusoidal voltage, frequency of generated
voltage, definition and numerical values of average value, root mean square value, form factor
and peak factor of sinusoidally varying voltage and current, phasor representation of alternating
quantities. Analysis, with phasor diagrams, of R, L, C, R-L, R-C and R-L-C circuits and, parallel
and series- parallel circuits. Real power, reactive power, apparent power and power factor.
Illustrative examples.
7 Hours
3b. Domestic Wiring: Service mains, meter board and distribution board. Brief discussion on
concealed conduit wiring. Two-way and three-way control. Elementary discussion on Circuit
protective devices: fuse and Miniature Circuit Breaker (MCB’s). Electric shock, precautions
against shock–Earthing, Earth leakage circuit breaker (ELCB) and Residual current circuit
breaker (RCCB).
3 Hours
Module – 4
4a. Three Phase Circuits : Necessity and advantages of three phase systems, generation of three
phase power. Definition of Phase sequence, balanced supply and balanced load. Relationship
between line and phase values of balanced star and delta connections. Power in balanced threephase circuits, measurement of power by two-wattmeter method. Determination power factor
using wattmeter readings. Illustrative examples.
Department of EEE, SJBIT
6 Hours
Page 2

Basic Electrical Engineering
15ELE15
4b. Three Phase Synchronous Generators: Principle of operation, Types and constructional
features, Advantages of rotating field type alternator, Synchronous speed, Frequency of
generated voltage,Emf equation. Concept of winding factor (excluding the derivation of
distribution and pitch factors). Illustrative examples on emf equation.
4 Hours
Module – 5
5a. Single Phase Transformers: Necessity of transformer, Principle of operation and
construction of single-phase transformers (core and shell types). Emf equation, losses, variation
losses with respect to load, efficiency, Condition for maximum efficiency, Voltage regulation
and its significance (Open Circuit and Short circuit tests, equivalent circuit and phasor diagrams
are excluded). Illustrative problems on emf equation and efficiency only.
6 Hours
5b. Three Phase Induction Motors: Principle of operation, Concept and production of rotating
magnetic field, Synchronous speed, rotor speed, Slip, Frequency of the rotor induced emf, Types
and Constructional features. Slip and its significance. Applications of squirrel - cage and slip –
ring motors. Necessity of a starter, starting of motor using stars-delta starter. Illustrative
examples on slip calculations.
4 Hours
TEXT BOOKS
1
“Basic Electrical Engineering”, D C Kulshreshtha, TMH, 2009 Edition.
2
“Fundamentals of Electrical Engineering”, Rajendra Prasad, PHI, Second Edition, 2009.
REFERENCE BOOKS:
1. "Electrical Technology", E. Hughes International Students 9th Edition, Pearson, 2005.
2. “Basic Electrical Engineering”, Abhijit Chakrabarti, Sudiptanath, Chandan Kumar Chanda,
TMH, First reprint 2009.
3. Problems in Electrical Engineering, Parker Smith, CBS Publishers and Distributors, 9th
Edition, 2003.
Department of EEE, SJBIT
Page 3

Basic Electrical Engineering
15ELE15
CONTENTS
Sl.
No
TOPICS
PAGE NO.
Module-1: 1a) DC Circuits
1.
5-19
1b) Electromagnetism
Module-2: 2 a) D.C. Machines
2.
20-36
2 b) Measuring Instruments
Module-3 3a) Single-phase A.C. Circuits
3.
37-88
3 b) Domestic Wiring
Module-4 4 a) Three Phase Circuits
4.
89-106
4 b) Three Phase Synchronous Generators
Module-5
5 a) Single Phase Transformers
5.
107-134
5 b) Three Phase Induction Motors
Department of EEE, SJBIT
Page 4

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