Lecture 06: Analysis of Single Conductor Generator and Motor

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Lecture 07: Analysis of Single Conductor Generator and Motor (Contd.)

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Lecture 08: Flux Density Distribution in Space and Nature emf

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Lecture 09: Flux Density Distribution in Space and Nature emf (Contd.)

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Lecture 10: From Linear to Rotating Machine

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Lecture 11 : From Linear to Rotating Machine (Contd.)

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Lecture 12 : Basic Underlying Principle of Operation of Rotating Machine

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Lecture 13 : Basic Underlying Principle of Operation of Rotating Machine (Contd.)

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Lecture 14 : Flux Density Distribution along the Air Gap

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Lecture 15 :Flux Density Distribution along the Air Gap (Contd.)

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Lecture 16 : Induced Voltage in a Coil in a Rotating Machine

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Lecture 17 : Induced Voltage in a Coil in a Rotating Machine (Contd.)

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Lecture 18 : Induced Voltage in a Coil in a Rotating Machine (Contd.)

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Lecture 19 : Induced Voltage due to Fundamental and Harmonic Components of Flux Density Distribution

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Lecture 20 : Distributed Coils Connected in Series Resultant Voltage

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Lecture 21: Distribution Factor

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Lecture 22: Pitch Factor and Winding Factor

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Lecture 23: How to decide about Short Pitch Angle ϵ

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Lecture 24 : Double Layer 3-phase Winding - An Introduction

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Lecture 25 : Winding Table for 3-phase Distributed Winding

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Lecture 26 : Winding Table for 3-phase Distributed Winding with Examples

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Lecture 27 : Winding Table for 3-phase Distributed Winding with Examples (Contd.)

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Lecture 28 : 120 degree Phase Spread Winding with Examples

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Lecture 29 : Winding Table of 120 degree Phase Spread Coils and Group Connection

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Lecture 30 : Introduction to Rotating Magnetic Field

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Lecture 31 : Rotating Magnetic Field (Contd.) , Mechanical and Electrical Speed

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Lecture 32 : Speed and Direction of Rotating Field

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Lecture 33: Synchronous Speed and How to Calculate Induced Voltage in a Coil

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Lecture 34: Introduction to Induction Motor

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Lecture 35: Introduction to Induction Motor (Contd.)

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Lecture 36: General Expression of Torque in Terms of Stator and Rotor Fields

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Lecture 37: Torque Angle and Torque Expression

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Lecture 38 : How to Fix Up Positions of Net Field, Rotor Field and Stator Field

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Lecture 39: Slip: Its Importance and Range for Motor Operation

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Lecture 40: Equivalent Circuit of 3-Phase Induction Motor

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Lecture 41: Equivalent Circuit of 3-Phase Induction Motor(Contd.)

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Lecture 42: Equivalent Circuit of 3-Phase Induction Motor (Contd.)

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Lecture 43: Expression for Electromagnetic Torque in terms of Equivalent Circuit Parameters

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Lecture 44: Maximum Electromagnetic Torque and Slip at Which it Occurs

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Lecture 45 : Typical Torque Slip Characteristic and Operating Point

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Lecture 46: Change in Torque-slip Characteristic as Supply Voltage and Rotor Resistance are Varied

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Lecture 47: Types of Induction Motor - Slip Ring Type

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Lecture 48: Introduction to Cage Induction Motor

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Lecture 49: Cage Motor Can Operate for Different Stator Poles

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Lecture 50: Core Loss in Induction Motor and Simplified Equivalent Circuit

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Lecture 51: Torque Expression from Simplified Equivalent Circuit and Introduction to Circle Diagram

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Lecture 52: Circle Diagram (Contd.)

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Lecture 53: Exact Power Flow Diagram and Circle Diagram

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Lecture 54: Circle Diagram (Contd.)

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Lecture 55: Circle Diagram: Slip Line

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Lecture 56: Circle Diagram from Test Data

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Lecture 57 : Starting of 3 Phase Induction Motor - Introduction

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Lecture 58 : DOL and Reactor Starting

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Lecture 59 : DOL and Auto Transformer Starting

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Lecture 60 : Introduction to Speed Control

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Lecture 61 : Idea of VVVF Speed Control of Induction Motor

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Lecture 62 : Speed Contro Using Two Motors

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Lecture 63 : Electrical Braking of 3 Phase Induction Motor

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Lecture 64 : Braking (Contd.)

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Lecture 65 : Introduction to Single Phase Induction Motor - Sequence Currents

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Lecture 66 : Development of Equivalent Circuit

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Lecture 67 : Development of Equivalent Circuit (Contd.)

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Lecture 68 : Torque-slip Ch. of 1 ph. I-M Running on Single Winding

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Lecture 69 : Introduction to Starting of 1ph. Induction Motor

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Lecture 70 : Expression for Starting Torque and Need for Phase Splitting

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Lecture 71 : Resistor Split 1 ph. Induction Motor

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Lecture 72 : Capacitor Split 1 ph Induction Motor

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Lecture 73 : Starting of 1 ph. Induction Motor (Contd.)

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Lecture 74 : Synchronous Machine Construction

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Lecture 75 : Synchronous Generator - Introduction

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Lecture 76 : Synchronisation

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Lecture 77 : Expression for Induced Voltage and O.C. Phasor Diagram

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Lecture 78 : Loaded Synchronous Generator - Resultant Field

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Lecture 79: Armature Reaction and Synchronous Reactance. Basic Phasor Diagram

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Lecture 80: General Mode of Operation - Rotro Field, Stator Field and Resultant Field

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Lecture 81: Complete Phasor Diagram and Expression for Complex Power

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Lecture 82: Synchronous Motor Operation, Phasor Diagram and Power Expression

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Lecture 83: Effect of Variation of Field Current in Generator

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Lecture 84: Effect of Variation Field Current in Synchronous Motor, Introduction to Salient Pole Machine

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Lecture 85: Analysis of Salient Pole Synchronous Machine

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Lecture 86: Phasor Diagram of Salient Pole Synchronous Machine for Generator and Motor Mode

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Lecture 87: Expression for Load Angle and Expression for Power

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Lecture 88: Phasor Diagrams of Salient Pole Synchronous Generator under Various Conditions

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Lecture 89: Phasor Diagrams of Salient Pole Synchronous Motor under Various Conditions

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Lecture 90: O.C and S.C Test on Synchronous Generator

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Live Session 21-02-2020

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