DEPARTMENT OF HUMANITIES AND
SCIENCES BASIC ELECTRICAL ENGINEERING
BASIC ELECTRICAL ENGINEERING
DIGITAL NOTES
MALLA REDDY COLLEGE OF ENGINEERING & TECHNOLOGY
(Autonomous Institution – UGC, Govt. of India)
Recognized under 2(f) and 12 (B) of UGC ACT 1956
(Affiliated to JNTUH, Hyderabad, Approved by AICTE-Accredited by NBA & NACC-‘A’ Grade – ISO 9001:2015 Certified)
Maisammaguda, Dhulapally (Post Via. Hakimpet), Secunderabad -500100, Telangana State, India.
MRCET EAMCET CODE: MLRD www.mrcet.ac.in 1
, DEPARTMENT OF HUMANITIES AND
SCIENCES BASIC ELECTRICAL ENGINEERING
MALLA REDDY COLLEGE OF ENGINEERING AND TECHNOLOGY
I Year B. Tech I Sem – CSE/AIML/IOT/CS/DS/IT L T P C
3 0 0 3
(R20A0201) BASIC ELECTRICAL ENGINEERING
Objectives:
1. To understand the basic concepts of electrical circuits & networks and their analysis which is the
foundation for all the subjects in the electrical engineering discipline.
2. To emphasize on the basic elements in electrical circuits and analyze Circuits using Network
Theorems.
3. To analyze Single-Phase AC Circuits.
4. To illustrate Single-Phase Transformers and DC Machines.
5. To get overview of basic electrical installations and calculations for energy consumption.
UNIT –I:
Introduction to Electrical Circuits: Concept of Circuit and Network, Types of elements, R-L-C
Parameters, Independent and Dependent sources, Source transformation and Kirchhoff’s Laws
UNIT –II:
Network Analysis: Network Reduction Techniques- Series and parallel connections of resistive networks,
Star–to-Delta and Delta-to-Star Transformations for Resistive Networks, Mesh Analysis, and Nodal
Analysis,
Network Theorems: Thevenin’s theorem, Norton’s theorem and Superposition theorem and Illustrative
Problems.
UNIT-III:
Single Phase A.C. Circuits: Average value, R.M.S. value, form factor and peak factor for sinusoidal wave
form, Complex and Polar forms of representation. Steady State Analysis of series R-L-C circuits. Concept of
Reactance, Impedance, Susceptance, Admittance, Concept of Power Factor, Real, Reactive and Complex
power, Illustrative Problems.
UNIT –IV:
Electrical Machines (elementary treatment only):
Single phase transformers: principle of operation, constructional features and emf equation.
DC. Generator: principle of operation, constructional features, emf equation. DC Motor: principle of
operation, Back emf, torque equation.
UNIT –V:
Electrical Installations:
Components of LT Switchgear: Switch Fuse Unit (SFU), MCB, ELCB, Types of Wires and Cables,
Earthing. Elementary calculations for energy consumption and battery backup.
TEXT BOOKS:
1. Engineering Circuit Analysis - William Hayt, Jack E. Kemmerly, S M Durbin, Mc Graw Hill
Companies.
2. Electric Circuits - A. Chakraborty, Dhanipat Rai & Sons.
3. Electrical Machines – P.S. Bimbra, Khanna Publishers.
MRCET EAMCET CODE: MLRD www.mrcet.ac.in 2
, DEPARTMENT OF HUMANITIES AND
SCIENCES BASIC ELECTRICAL ENGINEERING
REFERENCE BOOKS:
1. Network analysis by M.E Van Valkenburg, PHI learning publications.
2. Network analysis - N.C Jagan and C. Lakhminarayana, BS publications.
3. Electrical Circuits by A. Sudhakar, Shyammohan and S Palli, Mc Graw Hill Companies.
4. Electrical Machines by I.J. Nagrath & D. P. Kothari, Tata Mc Graw-Hill Publishers.
Outcomes:
At the end of the course students, would be able to
1. Apply the basic RLC circuit elements and its concepts to networks and circuits.
2. Analyze the circuits by applying network theorems to solve them to find various electrical parameters.
3. Illustrate the single-phase AC circuits along with the concept of impedance parameters and power.
4. Understand the Constructional Details and Principle of Operation of DC Machines and Transformers
5. Understand the basic LT Switch gear and calculations for energy consumption.
MRCET EAMCET CODE: MLRD www.mrcet.ac.in 3
, DEPARTMENT OF HUMANITIES AND
SCIENCES BASIC ELECTRICAL ENGINEERING
PREFACE
Engineering institutions have been modernizing and updating their curriculum to keep pace
with the continuously developing technological trends so as to meet the correspondingly changing
educational demands of the industry. As the years passed by, multi-disciplinary education system also has
become more and more relevant in the present global industrial development. Thus, just as Computer
Systems & Applications, Basic Electrical Engineering also has become an integral part of all the industrial
and engineering sectors be it infrastructure, power generation, minor & major Industries, Industrial Safety or
process industries where automation has become an inherent part. Accordingly, several universities have
been bringing in a significant change in their graduate programs of engineering starting from the first year to
meet the needs of these important industrial sectors to enhance the employability of their graduates. Thus, at
college entry level itself Basic Electrical Engineering has become the first Multidisciplinary core
engineering subject for almost all the other core engineering branches like Civil, Mechanical, Production
engineering, Industrial Engineering, Aeronautical, Instrumentation, Control Systems and Computer
Engineering. As a further impetus, since for understanding of this subject a practical knowledge is equally
important, a laboratory course is also added in the curriculum. The chapters are so chosen that the student
comprehends all the important theoretical concepts with good practical insight.
This handbook of Digital notes for Basic Electrical Engineering is brought out in a simple
and lucid manner highlighting the important underlying concepts & objectives along with sequential steps to
understand the subject.
MRCET EAMCET CODE: MLRD www.mrcet.ac.in 4
SCIENCES BASIC ELECTRICAL ENGINEERING
BASIC ELECTRICAL ENGINEERING
DIGITAL NOTES
MALLA REDDY COLLEGE OF ENGINEERING & TECHNOLOGY
(Autonomous Institution – UGC, Govt. of India)
Recognized under 2(f) and 12 (B) of UGC ACT 1956
(Affiliated to JNTUH, Hyderabad, Approved by AICTE-Accredited by NBA & NACC-‘A’ Grade – ISO 9001:2015 Certified)
Maisammaguda, Dhulapally (Post Via. Hakimpet), Secunderabad -500100, Telangana State, India.
MRCET EAMCET CODE: MLRD www.mrcet.ac.in 1
, DEPARTMENT OF HUMANITIES AND
SCIENCES BASIC ELECTRICAL ENGINEERING
MALLA REDDY COLLEGE OF ENGINEERING AND TECHNOLOGY
I Year B. Tech I Sem – CSE/AIML/IOT/CS/DS/IT L T P C
3 0 0 3
(R20A0201) BASIC ELECTRICAL ENGINEERING
Objectives:
1. To understand the basic concepts of electrical circuits & networks and their analysis which is the
foundation for all the subjects in the electrical engineering discipline.
2. To emphasize on the basic elements in electrical circuits and analyze Circuits using Network
Theorems.
3. To analyze Single-Phase AC Circuits.
4. To illustrate Single-Phase Transformers and DC Machines.
5. To get overview of basic electrical installations and calculations for energy consumption.
UNIT –I:
Introduction to Electrical Circuits: Concept of Circuit and Network, Types of elements, R-L-C
Parameters, Independent and Dependent sources, Source transformation and Kirchhoff’s Laws
UNIT –II:
Network Analysis: Network Reduction Techniques- Series and parallel connections of resistive networks,
Star–to-Delta and Delta-to-Star Transformations for Resistive Networks, Mesh Analysis, and Nodal
Analysis,
Network Theorems: Thevenin’s theorem, Norton’s theorem and Superposition theorem and Illustrative
Problems.
UNIT-III:
Single Phase A.C. Circuits: Average value, R.M.S. value, form factor and peak factor for sinusoidal wave
form, Complex and Polar forms of representation. Steady State Analysis of series R-L-C circuits. Concept of
Reactance, Impedance, Susceptance, Admittance, Concept of Power Factor, Real, Reactive and Complex
power, Illustrative Problems.
UNIT –IV:
Electrical Machines (elementary treatment only):
Single phase transformers: principle of operation, constructional features and emf equation.
DC. Generator: principle of operation, constructional features, emf equation. DC Motor: principle of
operation, Back emf, torque equation.
UNIT –V:
Electrical Installations:
Components of LT Switchgear: Switch Fuse Unit (SFU), MCB, ELCB, Types of Wires and Cables,
Earthing. Elementary calculations for energy consumption and battery backup.
TEXT BOOKS:
1. Engineering Circuit Analysis - William Hayt, Jack E. Kemmerly, S M Durbin, Mc Graw Hill
Companies.
2. Electric Circuits - A. Chakraborty, Dhanipat Rai & Sons.
3. Electrical Machines – P.S. Bimbra, Khanna Publishers.
MRCET EAMCET CODE: MLRD www.mrcet.ac.in 2
, DEPARTMENT OF HUMANITIES AND
SCIENCES BASIC ELECTRICAL ENGINEERING
REFERENCE BOOKS:
1. Network analysis by M.E Van Valkenburg, PHI learning publications.
2. Network analysis - N.C Jagan and C. Lakhminarayana, BS publications.
3. Electrical Circuits by A. Sudhakar, Shyammohan and S Palli, Mc Graw Hill Companies.
4. Electrical Machines by I.J. Nagrath & D. P. Kothari, Tata Mc Graw-Hill Publishers.
Outcomes:
At the end of the course students, would be able to
1. Apply the basic RLC circuit elements and its concepts to networks and circuits.
2. Analyze the circuits by applying network theorems to solve them to find various electrical parameters.
3. Illustrate the single-phase AC circuits along with the concept of impedance parameters and power.
4. Understand the Constructional Details and Principle of Operation of DC Machines and Transformers
5. Understand the basic LT Switch gear and calculations for energy consumption.
MRCET EAMCET CODE: MLRD www.mrcet.ac.in 3
, DEPARTMENT OF HUMANITIES AND
SCIENCES BASIC ELECTRICAL ENGINEERING
PREFACE
Engineering institutions have been modernizing and updating their curriculum to keep pace
with the continuously developing technological trends so as to meet the correspondingly changing
educational demands of the industry. As the years passed by, multi-disciplinary education system also has
become more and more relevant in the present global industrial development. Thus, just as Computer
Systems & Applications, Basic Electrical Engineering also has become an integral part of all the industrial
and engineering sectors be it infrastructure, power generation, minor & major Industries, Industrial Safety or
process industries where automation has become an inherent part. Accordingly, several universities have
been bringing in a significant change in their graduate programs of engineering starting from the first year to
meet the needs of these important industrial sectors to enhance the employability of their graduates. Thus, at
college entry level itself Basic Electrical Engineering has become the first Multidisciplinary core
engineering subject for almost all the other core engineering branches like Civil, Mechanical, Production
engineering, Industrial Engineering, Aeronautical, Instrumentation, Control Systems and Computer
Engineering. As a further impetus, since for understanding of this subject a practical knowledge is equally
important, a laboratory course is also added in the curriculum. The chapters are so chosen that the student
comprehends all the important theoretical concepts with good practical insight.
This handbook of Digital notes for Basic Electrical Engineering is brought out in a simple
and lucid manner highlighting the important underlying concepts & objectives along with sequential steps to
understand the subject.
MRCET EAMCET CODE: MLRD www.mrcet.ac.in 4
