**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

**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

**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

**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

**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

**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

**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

**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

**MEASURING INSTRUMENTS**

**POWER SUPPLY SYSTEM**