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BOOKS
TABLE OF CONTENTS
1
Basics of Electrical Engineering
1.1
Electrical Quantities
1.2
Definitions
1.2.1 Voltage
1.2.2 Current
1.2.3 Electrical Power
1.2.4 Electrical Energy
1.2.5 Resistance
1.2.6 Temperature Co-efficient of Resistance
1.2.7 Inductance
1.2.8 Capacitance
1.3
SI units
Review Questions
Problems
2
DC Circuits
2.1
Circuit Laws
2.1.1 Ohm's Law
2.1.2 Kirchhoff's Laws
2.1.3 Kirchhoff's current Law(KCL)
2.1.4 Kirchhoff's voltage Law(KVL)
2.2
Series and parallel circuits
2.2.1 Resistors in series
2.2.2 Resistors in parallel
2.2.3 Series-parallel circuits
Review Questions
Problems
3
AC Circuits
3.1
Characteristics of AC Circuits
3.2
Phasor Represntation
3.2.1 Complex operator j
3.2.2 Phasor relations involving R,L and C
3.3
Power and Power-factor
3.4
Analysis of Single-phase AC Circuits
3.5
Resonance
3.5.1 Resonance in series circuits
3.5.2 Resonance in parallel circuits
3.6
Three-phase AC Circuits
3.6.1 Three phase voltage and current
3.6.2 Star and delta connections
3.6.3 Measurement of power and power-factor
Review Questions
Problems
4
Magnetic Circuits
4.1
Definition of Magnetic Quantities
4.1.1 Magneto motive force
4.1.2 Magnetising force
4.1.3 Magnetic flux
4.1.4 Magnetic flux density
4.1.5 Permeability
4.1.6 Reluctance and permeance
4.2
Analysis of Magnetic Circuits
4.2.1 Series circuits
4.2.2 Parallel circuits
4.3
Leakage Flux
4.4
Comparision between Magnetic and Electric Circuits
Review Questions
Problems
5
Principles of Electrical Machines
5.1
Functions of Electrical Machines
5.2
Permanent Magnet
5.2.1 Magnetic material
5.2.2 Magnetic field and its behaviour
5.3
Electromagnet
5.3.1 Magnetic effect of electric current
5.3.2 Righ hand grip rule
5.3.3 Right handed cork screw rule
5.4
Electromagnetic Induction
5.4.1 Faraday's law
5.4.2 Lenz's law
5.4.3 Statically induced Emf
5.4.4 Self and mutual inductance
5.4.5 Coefficient of coupling
5.4.6 Dynamically induced Emf
5.4.7 Fleming's right hand rule
5.5
Magnetic Losses
5.5.1 Hysteresis loss
5.5.2 Eddy current loss
5.6
Electromechanical Energy Conversion
5.6.1 Force on current carrying conductor
5.6.2 Fleming's left hand rule
Review Questions
Problems
6
Electrical Machines
6.1
DC Machines
6.1.1 Constructional features
6.1.2 Principle of operation of DC generators
6.1.3 Emf equation
6.1.4 Characteristics of DC generators
6.1.5 Types of DC generators
6.1.6 Principle of operation of DC motors
6.1.7 Torque equation
6.1.8 Characteristics of DC motors
6.2
Transformers
6.2.1 Constructional features
6.2.2 Principle of operation
6.2.3 Three-phase Transformer connections
6.3
Induction Motors
6.3.1 Constructional features of 3-phase Induction motors
6.3.2 Principle of operation
6.3.3 Torque development
6.3.4 Characteristics of 3-phase Induction motors
6.3.5 Single-phase Induction motors
6.3.6 Principle of operation
6.3.7 Types of Single phase Induction motors
6.4
Synchronous Machines
6.4.1 Constructional features
6.4.2 Principle of generator operation
6.4.3 Emf equation
6.4.4 Load characteristics
6.4.5 Principle of motor operation
6.5
Applications
Review Questions
Problems
7
Measuring Instruments
7.1
Classifications
7.2
Principles of Analog Instruments
7.2.1 Deflecting torque
7.2.2 Controlling torque
7.2.3 Damping torque
7.3
Moving Coil Instruments
7.3.1 Permanent magnet type
7.3.2 Dynamometer type
7.4
Moving Iron Instrument
7.4.1 Attraction type
7.4.2 Repulsion type
7.5
Use of Voltmeter and Ammeters
7.5.1 PM type moving coil ammeters
7.5.2 PM type moving coil voltmeters
7.5.3 Dynamometer type instruments
7.5.4 Moving iron instruments
7.6
Dynamometer Type Wattmeter
7.7
Induction Type Energy Meter
7.7.1 Driving system
7.7.2 Moving system
7.7.3 Braking/Damping system
7.7.4 Registering system
7.8
Megger
7.8.1 Construction
7.8.2 Operation
Review Questions
Problems
8
Domestic Wiring
8.1
Wiring Material and Accessories
8.2
Types of Wiring
8.2.1 Rules for wiring
8.3
Staircase Wiring
8.4
Fluorescent Tube Wiring
8.5
Simple Domestic Layout
8.6
Earthing
Review Questions
9
Power Systems
9.1
Generation
9.1.1 Types
9.1.2 Layout of hydro power-station
9.1.3 Layout of thermal power-station
9.1.4 Layout of nuclear power-station
9.2
Transmission
9.2.1 Types
9.2.2 Effects of increase in voltage
9.3
Distribution
9.3.1 Types
9.3.2 Comparision of OHL and UGC
Review Questions
10
Passive Electronic Components
10.1
Essentials in Electronic circuit
10.2
Resistors
10.2.1 Fixed resistors
10.2.2 Variable resistors
10.2.3 Colour coding
10.3
Capacitors
10.3.1 Variable capacitors
10.3.2 Fixed capacitors
10.3.3 Dissipation factor
10.4
Inductors
10.4.1 Fixed inductors
10.4.2 Variable Inductors
10.4.3 Chokes
Review Questions
11
Basic Semiconductor Devices And Circuits
11.1
Introduction
11.2
Classification of Materials
11.2.1 Energy band structures of conductor,insulator
and semiconductor
11.3
Properties of semiconductors
11.4
Classification of semiconductors
11.4.1 Intrinsic semiconductors
11.4.2 Extrinsic semiconductors
11.5
PN Junction
11.5.1 PN junction with forward bias
11.5.2 PN junction under reverse bias
11.6
PN Junction Diode
11.6.1 U-I Characteristic of junction diode
11.7
Rectifiers
11.7.1 Half wave rectifiers
11.7.2 Full wave rectifiers
11.7.3 Bridge rectifiers
11.8
Zener Diode
11.8.1 U-I characteristics
11.8.2 Zener diode as voltage regulator
11.9
Filters
11.9.1 Capacitor filter
11.9.2 Inductor filter
11.9.3 LC filter
11.9.4 pi or CLC filter
11.10
Bipolar Transistors
11.10.1 Constructional details
11.10.2 Transistor biasing
11.10.3 Working of PNP transistor
11.10.4 Transistor configurations
11.11
Static Transistor Characteristics
11.11.1 CE configuration
11.12
Current Amplification Factor
11.12.1 Applications
11.13
Field Effect Trasnsistors(FET)
11.14
Junction Field Effect Transistor
11.14.1 N-channel JFET
11.14.2 P-channel JFET
11.14.3 Principle of working of JFET
11.14.4 JFET characteristics
11.14.5 Advantages of JFET
11.15
Metal Oxide Semiconductor FET(MOSFET)
11.15.1 Enhancement MOSFET
11.15.2 Depletion MOSFET
Review Questions
Problems
12
Special Semiconductor Devices
12.1
Introduction
12.2
Silicon Controlled Rectifier(SCR)
12.2.1 Constructional details
12.2.2 Characteristics of SCR
12.2.3 Important terms used in the study of SCR
12.2.4 Applications of SCR
12.3
TRIAC
12.4
Unijunction Transistor(UJT)
12.4.1 Application of UJT as a relaxation Oscillator
12.5
Opto Electronic Devices
12.5.1 Introduction
12.5.2 Photo conductive cell(PCC)
12.5.3 Photodiode
12.5.4 Photo transistor
12.5.5 Light emmitting diode(LED)
Review Questions
13
Transducers
13.1
Introduction
13.2
Classification of Transducers
13.3
Basic Requirements of Transducers
13.4
Displacement Transducer
13.4.1 Electrical strain gauge
13.4.2 Capacitance transducers
13.4.3 Linear variable differential transducer(LVDT)
13.5
Temperature Transducers
13.5.1 Resistance temperature detectors(RTD)
13.5.2 Thermocouples
13.5.3 Thermistors
13.6
Piezoelectric Transducers
13.7
Hall Effect Transducers
Review Questions
14
Linear and Digital Integrated Circuits
14.1
Introduction
14.2
Advantage and Limitation of ICs
14.3
Classifications of ICs
14.4
Monolithic ICs
14.5
Linear ICs
14.5.1 Operational amplifiers
14.5.2 Applications of OPAMP
14.5.3 IC Timer
14.6
Digital ICs
14.6.1 Boolean algebra
14.6.2 Logic gates
14.6.3 Universal gates
14.6.4 Flip-Flop
Review Questions
15
Fundamentals of Computers
15.1
Introduction
15.1.1 Input devices
15.1.2 Central processing unit
15.1.3 Output devices
15.2
Memory Devices
15.2.1 Memory terminology
15.2.2 CPU memory connection
15.2.3 Programmable ROMs(PROM)
15.2.4 Erasable programmable ROM(EPROM)
15.2.5 Electrically erasable PROM(EEPROM)
15.2.6 Flash memory
15.2.7 Semiconductor RAMs
15.3
Mass Data Storage Systems
15.3.1 Floppy disk data storage
15.3.2 Magnetic hard disk data storage
15.3.3 Magnetic tape storage
15.3.4 Optical disk data storage
15.4
Computer Input Units
15.5
Computer Output Devices
15.6
Printers
15.6.1 Impact printers
15.6.2 Non-impact printers
15.7
Plotters
15.8
Computer Output on Microfilm and Microfiche
15.8.1 Graphic display device
15.8.2 Speech output unit
15.9
Digital to Analog Converters
15.10Classification
of Computers
15.10.1 Laptop PC's
15.10.2 Personal computers
15.10.3 Workstations
15.10.4 Mainframe computers
15.10.5 Distributed computers
15.10.6 Parallel computers
15.11Microprocessors
15.11.1 INTEL 8086 Microprocessors
15.11.2 Internal architecture
15.11.3 Pentium processor
Review Questions
16
Fundamentals of Communications
16.1
Introduction
16.2
Analog and Digital Signals
16.3
Analog Signals
16.3.1 Telephone signals
16.3.2 Video signals
16.3.3 Radio signals
16.4
Digital Signals
16.4.1 Radar signals
16.4.2 Binary signals
16.4.3 Telecommunication services
16.5
Data Transmission
16.5.1 Line communication
16.5.2 Radio communication
16.6
Basic Principle of Modulation
16.6.1 Need for modulation
16.7
Continuous Wave Modulation
16.7.1 Amplitude modulation
16.7.2 Frequency modulation
16.8
Demodulation
16.9
Pulse Modulation
16.10
Digital Data Transmission
16.10.1 Data communication system
16.11
Modems
16.12
Communication System
16.12.1 Radio communication system
16.12.2 TV communication system
16.12.3 Micro wave communication link
16.12.4 Satellite communication
16.12.5 Properties of satellite communication
16.12.6 Optical communication
16.13
Computer Networks
16.14
Integrated Services Digital Network(ISDN)
16.14.1 Introduction
16.14.2 Features of ISDN
16.14.3 Goals of ISDN
16.15
Internet
Review Questions
17
Power Conditioning Equipment
17.1
Introduction
17.2
Power Line Problems
17.2.1 Terms and definitions
17.3
Solution to powerline problem
17.4
Metal oxide varistor(MOV)
17.5
Line Filter
17.6
Transformers
17.6.1 Servo stablisers
17.6.2 Constant voltage transformer(CVT)
17.7
Uninterruptible Power Supplies(UPS)
17.7.1 On line UPS
17.7.2 Off line UPS
17.8
Switched Mode Power Supplies (SMPS)
Review Questions