1. D.C. NETWORKS

• Current Electricity Basic Concepts
• Definitions of Important Tenns Relating Network
• Limitations of Ohms Law
• Kirchhoffs Laws
• Applications of Kirchhoffs Law
• Source Conversion
• Solving Equations by Determinants Cramer
• Superposition Theorem
• Thevenins Theorem
• Nortons Theorem
• Maximum Power Transfer Theorem
• Delta Star Transformation
• Compensation Theorem States
• Reciprocity Theorem
• Millmans Theorem

2. SINGLE PHASE A.C. CIRCUITS

• Introduction to Alternating Current
• Generation and Equation of Altering Voltages and Currents
• Alternating Voltage and Current
• Single Phase Circuits
• General Aspects in Single Phase
• Transients Example

3. THREE PHASE A.C. CIRCUITS

• Introduction Three Phase A C Circuits
• Advantages of Polyphase Systems
• Generation of Three Phase Voltages
• Phase Sequence and Numbering Of Phases
• Inter connection of three phases
• Star Wye Y Connection
• Delta 6 Mesh Connection
• Comparison between Star and Delta Systems
• Measurement of Power in 3 Phase Circuit
• Measurement of Reactive Volt Amperes
• Unbalanced Star Connected Load
• Unbalanced Delta Connected Load
• Power Factor Improvement

4. ELECTROMAGNETISM

• Magnetic Field
• Terms Connected With Magnetic Material
• Classification of Magnetic Materials
• Magnetically Soft Materials
• Magnetically Hard Materials
• Laws of Magnetic Force
• Magnetic Field Due To Current Carrying Conductor
• Magnetic Flux and Flux Density
• Magnetomotive Force and Magnetic Field Strength
• Force On a Current Carrying Conductor Lying In a Magnetic Field
• Magnetizing Force of a Long Straight Conductor
• Magnetizing Force of a Long Solenoid
• Amperes Law
• Terms Connected With Magnetic Circuit
• Comparison of Electric and Magnetic Circuits
• Magnetic Leakage and Fringing
• Losses in Magnetic Materials
• Faradays Laws of Electromagnetic Induction
• Induced
• Inductances in Series
• Inductances Parallel
• Highlights Electromagnetism

5. TRANSFORMERS

• General Aspects
• Basic Definitions Transformers
• Working Principle of a Transformer
• Transformer Ratings
• Kinds Transformer
• Transformer Construction
• Transformer Windings Terminals Tapping and Bushings
• Transformer Cooling
• Three Phase Transformers
• Highlights in Transformers
• Objective Type Questions
• Theoretical Questions Transformers

Single phase Transformer

• Elementary Theory of Ideal Transformer
• E M F Equation of a Transformer
• Voltage Transformation Ratio K
• Transformer with Losses but No Magnetic Leakage
• Resistance and Magnetic Leakage
• Transformer with Resistance and Leakage Reactance
• Equivalent Resistance and Reactance
• Total Voltage Drop in a Transformer
• Equivalent Circuit
• Transformer Tests
• Regulation of a Transformer
• Percentage Resistance and Reactance
• Transformer Losses
• Transformer Efficiency
• All Day Efficiency
• Transformer Noise
• Auto Transformer
• Polarity of Transformers

6. POLYPHASE INDUCTION MOTORS

• General Aspects Polyphase Induction Motors
• Classification of A C Motors
• Constructional Details
• Production of Rotating Magnetic Field
• Theory of Operation of an Induction Motor
• Slip
• Frequency of Rotor Current
• Rotor E M F and Rotor Current
• Torque and Power
• Effect of Change in Supply Voltage on Starting Torque
• Effect of Change in Supply Voltage on Torque and Slip
• Torque Slip and Torque Speed Curves
• Operating Characteristics 3 Phase Squirrel Cage Induction Motor
• Shows a Wound Rotor Induction Motor with Controller Rheostat
• Power Stages in an Induction Motor
• Induction Motor as Transformer
• Equivalent Circuit of an Induction Motor
• Starting of Induction Motors
• Factors Governing Performance of Induction Motors
• Effects of Operating Conditions
• Ratings of 3 Phase Induction Motors
• Squirrel Cage Motors Advantages Disadvantages and Applications
• Wound Rotor or Slip Ring Induction Motors Advantages Disadvantages and Applications
• Comparison of a Squirrel Cage and a Slip Ring or Phase Wound
• Comparison Induction Synchronous Motors
• Highlights in Polyphase Induction Motors

7. SINGLE PHASE MOTORS

• Single Phase Motors
• Types of Single Phase Motor
• Single Phase Induction Motors
• Split Phase Motors
• Repulsion Motor
• Repulsion Start Induction Motor
• Repulsion Induction Motor
• A C Series Motor
• Universal Motor
• Single Phase Synchronous Motors
• Introduction
• Advantages and Applications
• Construction and Working
• 8 1 Introduction
• Types of Servo Motors
• Tachometer Generators

8. DIRECT CURRENT (D.C.) MACHINES

• Characteristics of D C Generators
• Types of D C Generator
• Power Division D C Generator
• Construction of D C Machines
• Applications of D C Generators
• Direct Current Motor
• Speed Control of DC Motors
• Losses and Efficiency of DC Machines

9. MEASURING INSTRUMENTS

• Measuring Instruments
• Moving Iron Instruments Ammeters and Voltmeters
• Measurement of Resistance

10. POWER SUPPLY SYSTEM

• Power Supply System
• Sources of Energy
• General Aspects in Power Supply System
• System of Transmission
• Line Supports
• Conductor Material
• Line Insulators
• Distribution Systems
• Electric Supply System A C
• Overhead and Underground Systems

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