Basic Electricial Engineering

1. Introduction to Electrical Engineering 1.1 Essence of Electricity 1.2 Atomic Structure and Electric Charge 1.3 Conductors, semi-conductors and insulators 1.4 Electrostatics 1.5 Electric Current 1.6 Electromotive force 1.7Electric power 1.8 Ohm's Law 1.9 Basic circuit components 1.10 Electromagnetic Phenomena and Related Laws 1.11 Kirchhoff's laws 2. Network Analysis and Network Theorems 2.1Basic Definitions of some commonly used terms 2.2 Network sources 2.3 Resistive networks 2.4 Inductive networks 2.5 Capacitive networks 2.6 Series-parallel circuits 2.7 Star-delta or, Y-D conversion 2.8 Node voltage analysis method 2.9 The mesh current analysis method 2.10 Nodal and mesh analysis with dependent sources 2.11 Network Theorems 2.12 Transients Analysis

3. Magnetic Circuits 3.1 Introduciton 3.2 Magnetic Circuits 3.3 BIOT-SAVART LAW 3.4 Magnetic Field Strength (H) 3.5 Magnetomotive Force 3.6 Permeability 3.7 Reluctance 3.8 Analogy between Electric and Magnetic Circuits 3.9 Magnetic potential drop 3.10 Magnetic circuit computations 3.11 Magnetization characteristics of ferromagnetic materials 3.12 Self Inductance and Mutual Inductance 3.13 Energy in Linear Magnetic Systems 3.13 Coils connected in series 3.14 Attracting force of electromagnets

4. Alternating Quantities 4.1 Introduction 4.2 Generation of a.c. voltages 4.3 Waveforms and Basic Definitions 4.4 Relationship between frequency, speed and number of poles 4.5 Root Mean Square and Average values of alternating current and voltage 4.6 Form Factor and Peak Factor 4.7 Phasor representation of alternating quantities 4.8 The j operator and phasor algebra 4.9 Analysis of a.c. circuits with single basic network element 4.10 Single phase series circuits 4.11 Single phase parallel circuits 4.12 Series parallel combination of impedances 4.13 Power in a.c. circuits 4.14 Resonance in a.c. circuits 4.15 Star delta or YD transformation 4.16 Nodal voltage and mesh current analysis of a.c. networks 4.17 Network theorems

5. Three Phase System 51 Single-phase systems and three-phase systems-comparison 5.2 Three-phase supply voltage 5.2.5 Three phase supply 5.3 Power in three-phase a.c. system with balanced load 5.4 Analysis of three phase circuits 5.5 Measurement of active power in three-phase network

6. Transformer Principles 6.1 Introduction 6.2 Response of Magnetic Circuits to a. c. Voltage 6.3 Core losses 6.4 Construction of transformers 6.5 Working principle of a transformer 6.6 The ideal transformer 6.7 Practical transformer 6.8 Transformer Testing 6.9 Transformer Regulation 6.10 Transformer Efficiency 6.11 Types of Transformer

7. Synchronous Machines 7.1 Introduction 7.2 Constructional features of synchronous machines 7.3 Three-phase armature winding 7.4 Generated e.m.f. in a synchronous machine 7.5 Rotating Magnetic Field due to Three Phase Currents 7.6 Characteristics of a Three Phase Synchronous Generator 7.7 Voltage regulation 7.8 Open Circuit (OC) and Short Circuit (SC) Tests on a Three-Phase Synchronous Generator 7.9 Synchronous generator connected to an Infinite Bus 7.10Synchronous Generators in Parallel 7.11Principle of Operation of Three Phase Synchronous Motors 7.12 Advantages and disadvantages of synchronous motors

8. Induction Motors 8.1 Introduction 8.2 Constructional features of three-phase induction motors 8.3 Principle of operation of three-phase induction motor

9. Direct-Current Machines 9.1 Introduction 9.2 Construction of DC Machines 9.3 Armature Windings 9.4 Generation of DC voltage in a DC machine 9.5 Torque production in a DC machine 9.6 Operation of a d.c. machine as a generator 9.7Operation of DC machine as a motor 9.8 Losses in DC machines 9.9 Condition of maximum efficiency of a DC machine 9.10 Applications of DC machines

10. Single-Phase Induction Motors And Special Machines 10.1 Introduction 10.2 Single phase induction motors 10.3 Universal Motor 10.4 Servomotors 10.5 Stepper Motor 10.6 Hysteresis motor

11. Basic Analogoue and Electronic Instruments 11.1 Introduction 11.2 Classification of instruments 11.3 Operating principle 11.4 Essential features of measuring instruments 11.5 Ammeters and voltmeters 11.6 Measurement of power 11.7 Measurement of electric energy 11.8 Measurement of insulation resistance 11.9 Measurement errors

12. Power Systems 12.1 Introduction 12.2 Components of power system 12.3 Generation subsystem 12.4 Transmission subsystem 12.5 Sub-transmission system 12.6 Distribution subsystem 12.7 Domestic wiring 12.8 Earthing 13. Illumination

13. Illumination

13.1 Light Radiations 13.2 Definitions 13.3 Laws of Illumination or Illuminance

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