About the Author
T. Thyagarajan is Professor and Head of EEE Dept. in Crescent Engineering College, Chennai. He obtained his B. Tech. in Electrical & Electronics Engineering from J.N.T. University, Anantapur, M.E. in Power Engineering from M.S. University, Baroda and Ph.D. from Anna University, Chennai. He has received the National Award for publishing the best Research paper. His research Interest encompasses drives, process control and automation, neural networks, fuzzy Logic and Genetic Algorithms applied to process control.
K.P. Sendur Chelvi is currently working for an IT company in Chennai. She was a Lecturer in Computer Science and Engineering department at Crescent Engineering College, Chennai before moving over to the information Technology industry. She is aa B.E. in Computer Technology and Informatics from Government College of Technology, Coimbatore and M.S. information Science from Indian National Scientific Documentation Center, New Delhi. Her current areas of specialization are Internet/Intranet/E-commerce technologies, Enterprise systems management, and telecom and networking.
T.R. Rangaswamy is currently working as Electrical Operation Engineer in Power and Desalination plant, Abudhabi, UAE. He obtained his B.E. in Electrical and Electronics Engineering from Government College of Technology, Coimbatore and M.E. in Applied Electronics from CIT, Coimbatore. He has over 30 years of experience in Power industry and teaching. His areas of interest are Neural Networks, Fuzzy Logic, Artificial Intelligence and Expert System based automated control systems.
Contents
Preface to the Third Edition
I. CONCEPTS OF ELECTRIC CURRENT AND Laws :
1. Electric Current
2. Electromotive Force
3. Resistance
4. Effect of Temperature on Resistance
5. Electrical Power
6. Electric Energy
7. International System of Units
8. Ohm's Law
9. Resistors Connected in Series
10. Resistors Connected in Parallel
11. Division of Current in Parallel Circuit
12. Kirchhoff's Laws
13. Star/Delta Transformation
Exercise Problems
II. MAGNETIC CIRCUITS :
1. Magnet
2. Permanent Magnet
3. Temporary Magnet
4. Magnetic Lines of Force
5. Magnetic Field
6. Magnetic Flux
7. Magnetic Flux Density
8. Permeability
9. Magnetic Field Strength
10. Magnetomotive Force
11. Reluctance
12. Similarities Between Electric and Magnetic Circuits
13. Differences
14. Analysis of Magnetic Circuits
15. Magnetic Leakage
16. Retentivity
17. Magnetic Hysteresis
18. Magnetization Cycle
19. Hysteresis Loss
20. Steinmetz Law
21. Eddy Current Loss
Exercise Problems
III. ELECTROMAGNETISM :
1. Electromagnetic Induction
2. Laws of Electromagnetic Induction
3. Fleming's Rules
4. Statically induced EMF
5. Self Inductance
6. Mutual Inductance
7. Energy Stored in the Magnetic Field
8. Stored Energy Per Unit Volume of Magnetic Field
9. Lifting Power of a Magnet
Exercise Problems
IV. A.C. CIRCUITS :
1. Generation of Alternating EMF
2. Equation of Alternating Voltage
3. Alternating Quantity (Current or Voltage)
4. Cycle
5. Time Period
6. Frequency
7. Maximum Value or Peak Value or Amplitude
8. Average Value or Mean Value
9. Root Mean Square Value
10. Form Factor
11. Peak or Crest or Amplitude Factor
12. Expression for RMS Value, Average Value, Form Factor and Peak Factor of a Sinusoidal Alternating Quantity
13. Expression for RMS Value, Average Value, Form Factor and Peak Factor of Half Wave Ratified A.C.
14. Phasor Representation of Alternating Quantity
15. Phase
16. Out Of Phase or Phase Difference
17. Complex Algebra
18. Behaviour of A.C. through Pure Resistance
19. Behaviour of A.C. through Pure Inductance
20. Behaviour of A.C. through Pure Capacitance
21. Behaviour of A.C. through Resistance and Inductance
22. Power in A.C. Circuit
23. Power Factor
24. Behaviour of A.C. through Resistance and Capacitance
25. Behaviour of A.C. through Resistance, Inductance and Capacitance
26. R-L-C Series Resonance
27. Resonance in Parallel Circuit
28. Three Phase Circuits
29. Phase Sequence
30. Star Connection
31. Delta Connection
32. Phase Voltage
33. Phase Current
34. Line Voltage
35. Line Current
36. Balanced System
37. Balanced Load
38. Unbalanced Load
39. Relation between Line and Phase Values of Voltage and Current in Star Connection
40. Relation Between Line Voltage and Phase Voltage and Line Current and Phase Current in Delta Connection
41. Power in Three Phase Circuit
42. Three Phase Power Measurement
43. Distinction between Three Phase and Single Phase Supply
Exercise Problems
IV. ELECTRICAL MACHINES :
1. Principle of D.C. Generator
2. Parts of D.C. Generator
3. E.M.F. Equation
4. Types of Generators
5. Losses in a Generator
6. Characteristics of Generator
7. Applications of a D.C. Generator
8. Principle of a D.C. Motor
9. Parts of a D.C. Motor
10. Back EMF
11. Types of Motor
12. Armature Torque of a Motor
13. Speed of a D.C. Motor
14. Characteristics of Motor
15. Application of D.C. Motor
16. Principle of Transformer
17. Classification of Transformers
18. Constructional Details
19. EMF Equation of Transformer
20. Transformer on No Load
21. Transformer on Load
22. Transformer Losses
23. Efficiency
24. Application of Transformer
25. Principle of Operation of Three Phase Induction Motor
26. Constructional Details
27. Slip
28. Frequency of Rotor Current
29. Expression for Torque
30. Torque Slip Characteristics
31. Applications of Three Phase Induction Motor
32. Single Phase Induction Motors
33. Split - Phase Induction Motor
34. Capacitor - Start Motor
35. Capacitor - Start-and-Run Motor
36. Two Value Capacity Motor
37. Shaded - Pole Motor
38. Principle of Operation
39. Revolving - Armature Type Alternator
40. Revolving - Field Type Alternator
41. Constructional Details
42. EMF Equation of an Alternator
43. Principle of Operation
44. Methods of Starting Synchronous Motor
45. Hunting
46. Applications of Synchronous Motor
Exercise Problems
VI. MEASURING Instruments :
1. Indicating Instruments
2. Deflecting Torque
3. Controlling Torque
4. Damping Torque
5. Moving Iron Instrument
6. Moving Coil Instrument
7. Dynamometer Type Wattmeter
8. Single Phase Induction Type Energy Meter
9. Megger
10. Arrangement of Instruments
VII. Domestic WIRING b:
1. Wiring Materials and Accessories
2. Ratings of Wiring Materials
3. Types of Wiring
4. Stair Case Wiring
5. Fluorescent Tube Wiring
6. Simple Domestic Wiring Layout
7. Earthing
8. Indian Electricity Rules
VIII. GENERATION, Transmission AND DISTRIBUTION OF ELECTRICAL ENERGY :
1. Generation of Electric Energy
2. Hydro Electric Power Station
3. Nuclear Power Station
4. Gas Turbine Power Plant
5. Transmission of Electrical Energy
6. Distribution of Electrical Energy
IX. ELECTRONIC Circuit Components :
1. Resistors
2. Potentiometers
3. Capacitors
4. Inductors
5. Active Components
X. TRANSDUCERS :
1. Introduction
2. Transducer Classification
3. Basic Requirements of Transducers
4. Displacement Transducers
5. Passive Transducers
6. Active Transducers
XI. SEMICONDUCTOR Devices :
1. Introduction
2. Classification of Materials
3. Classification of Semiconductors
4. PN Junction
5. Bipolar Junction Transistor
6. Field Effect Transistor (FET)
7. MOSFET
8. Silicon-Controlled Rectifier
9. Photo Devices
XII. INTEGRATED CIRCUITS :
1. Introduction
2. Fabrication of Integrated Chips
3. Analog IC
4. Digital IC
5. Logic Gates and Truth Tables
XIII. SEQUENTIAL LOGIC ELEMENTS AND SYSTEMS :
1. Introduction
2. Flip-flop
3. Set-reset Flip-flop
4. Clocked S-R-Flip-flop
5. Master Slave S-R Flip-flop
6. S-R Flip-flop with Asynchronous Inputs
7. J-R Flip-flop
8. Master-slave J.K. Flip-flop
9. D-Flip-flop
10. T-Flip-flop
11. Registers
12. Counters
XIV. INTRODUCTION TO DIGITAL COMPUTERS :
1. Introduction
2. History of Computers
3. Classification of Computers
4. Components of a Computer System
5. Basic Organization of a Digital Computer
6. Functions of Central Processing Unit
7. Memory
8. Input/output Devices
9. Software
10. Introduction to Microprocessor
11. Networks
XV. COMMUNICATION SERVICES :
1. Introduction
2. Analog and Digital Signals
3. Telecommunication Services
4. Transmission Path (Media)
5. Modulation
6. Data Transmission
7. Radar Transmission