- D.C. NETWORKS
Current Electricity Basic Concepts
Definitions of Important Tenns Relating Network
Applications of Kirchhoffs Law
Solving Equations by Determinants Cramer
Maximum Power Transfer Theorem
- SINGLE PHASE A.C. CIRCUITS
Introduction to Alternating Current
Generation and Equation of Altering Voltages and Currents
Alternating Voltage and Current
General Aspects in Single Phase
- 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
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
- ELECTROMAGNETISM
Terms Connected With Magnetic Material
Classification of Magnetic Materials
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
Terms Connected With Magnetic Circuit
Comparison of Electric and Magnetic Circuits
Faradays Laws of Electromagnetic Induction
- TRANSFORMERS
Basic Definitions Transformers
Working Principle of a Transformer
Transformer Windings Terminals Tapping and Bushings
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
Percentage Resistance and Reactance
- POLYPHASE INDUCTION MOTORS
General Aspects Polyphase Induction Motors
Production of Rotating Magnetic Field
Theory of Operation of an Induction Motor
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
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
- SINGLE PHASE MOTORS
Repulsion Start Induction Motor
Single Phase Synchronous Motors
- DIRECT CURRENT (D.C.) MACHINES
Characteristics of D C Generators
Applications of D C Generators
Losses and Efficiency of DC Machines
- MEASURING INSTRUMENTS
Moving Iron Instruments Ammeters and Voltmeters
- POWER SUPPLY SYSTEM