Lecture 08: Modelling of Practical Transformer - I

Preview 36:34

Lecture 09: Modelling of Practical Transformer - II

Preview 29:25

Lecture 10: Modelling of Practical Transformer - III

Preview 27:57

Lecture 11: Core Loss - Eddy Current Loss

Preview 36:40

Lecture 12: Factors on Eddy Current Loss Depends

Preview 38:05

Lecture 13: Hysteresis Loss

Preview 32:47

Lecture 14: Exact Equivalent Circuit

Preview 31:15

Lecture 15: Approximate Equivalent Circuit

Preview 30:00

Lecture 16: Determination of Equivalent Circuit Parameters - No Load Test

Preview 40:16

Lecture 17: Short Circuit Test

Preview 32:36

Lecture 18: Choosing Sides to Carry Out O.C / S.C Test

Preview 34:59

Lecture 19: Efficiency of Transformer - Losses

Preview 34:14

Lecture 20: Efficiency (Contd.)

Preview 30:45

Lecture 21: Condition for Maximum Efficiency When Load Power Factor Constant

Preview 29:50

Lecture 22: Family of Efficiency Curve at Various Power Factor and Energy Efficiency

Preview 36:47

Lecture 23: Load Description and Energy Efficiency

Preview 28:46

Lecture 24: Regulation: its Expression

Preview 31:46

Lecture 25: Regulation: its Expression (Contd.)

Preview 35:53

Lecture 26: Auto Transformer - Introduction

Preview 32:14

Lecture 27: AutoTransformer versus Two Winding Transformer

Preview 30:51

Lecture 28: AutoTransformer versus Two Winding Transformer (Contd.)

Preview 34:34

Lecture 29: Numerical Problems on Ideal Auto Transformer

Preview 33:30

Lecture 30: Two Winding Transformer Connected as Auto Transformer

Preview 31:38

Lecture 31: Practical Auto Transformer

Preview 36:50

Lecture 32: Equivalent Circuit of an Auto Transformer

Preview 32:06

Lecture 33: Polarity Test and Sumpner Test

Preview 33:56

Lecture 34: 3 Phase Transformer Using 3 Single Phase Transformer

Preview 33:46

Lecture 35: Various Connections of 3-Phase Transformer - I

Preview 35:41

Lecture 36: Various Connections of 3-Phase Transformer - II

Preview 33:49

Lecture 37: Vector Group of 3-Phase Transformer

Preview 34:26

Lecture 38: Vector Group (Contd.)

Preview 33:03

Lecture 39: Open Delta Connection

Preview 36:02

Lecture 40: 3-Phase Cone Type and Shell Type Transformer

Preview 46:36

Lecture 41: Zig Zag Connection

Preview 33:14

Lecture 42: Effect 3rd Harmonic Exciting Current and Flux

Preview 32:36

Lecture 43: Choosing Transformer Connection

Preview 35:54

Lecture 44: Choosing Transformer Connection (Contd.)

Preview 34:58

Lecture 45: Phase Conversion using Transformer: Scott Connection

Preview 42:45

Lecture 46: Scott Connection (Contd.)

Preview 34:56

Lecture 47: 3 Phase to 6 Phase Conversion O.C / S.C Test on 3 Phase Transformer

Preview 33:49

Lecture 48: Parallel Operation of Transformers - I

Preview 38:23

Lecture 49: Parallel Operation of Transformers - II

Preview 30:12

Lecture 50: Parallel Operation of Transformers - III

Preview 27:21

Lecture 51: Specific Magnetic and Electric Loadings

Preview 40:43

Lecture 52:Cooling of Transformer and Fillings of Transformer

Preview 43:27

Lecture 53: Output Equation of 3- Phase Transformer

Preview 35:01

Lecture 54: Introduction to D.C Machine

Preview 32:03

Lecture 55: Single Conductor D.C Generator / Motor Operation

Preview 43:27

Lecture 56: Homopolar D.C Generator

Preview 25:13

Lecture 57: Homopolar D.C Motor

Preview 29:55

Lecture 58: Introduction to Rotating D.C Machines

Preview 34:50

Lecture 59: Armature Winding of D.C Machine - I

Preview 38:33

Lecture 60: Armature Winding of D.C Machine - II

Preview 30:39

Lecture 61: Armature Winding of D.C Machine - III

Preview 31:47

Lecture 62: Generated Voltage Across the Armature

Preview 36:45

Lecture 63: Electromagnetic Troque in D.C Machine

Preview 34:36

Lecture 64: Generator and Motor Operation - Basics

Preview 38:14

Lecture 65: O.C.C and Load Characteristic of Separately Excited Generators

Preview 31:34

Lecture 66: Voltage Build Up in Shunt Generator

Preview 30:39

Lecture 67: Load Characteristic of Shunt Generator

Preview 38:28

Lecture 68: Qualitative Discussion on Armature Reaction

Preview 36:11

Lecture 69: Ill Effects of Armature Reaction

Preview 31:55

Lecture 70: Compensating and Interpoles

Preview 34:18

Lecture 71 : Armature Reaction (Contd.)

Preview 36:31

Lecture 72 : Field Flux Density, Armature Flux Density and Resultant Field Distribution

Preview 30:50

Lecture 73 : Field Patterns for Both Motor and Generators

Preview 39:45

Lecture 74 : Demagnetising and Cross Magnetising mmf for Brush Shifted Machine

Preview 35:26

Lecture 75 : Calculation of Compensating, Interpole and Series Field Turns

Preview 32:03

Lecture 76 : Estimating Armature and Field Resistance from its Rating

Preview 29:56

Lecture 77 : Power Flow Diagram, Rotational Loss

Preview 35:25

Lecture 78 : Shunt Motor: Basic Equation

Preview 30:38

Lecture 79 : Starting of D.C Motor - 3- Point Starter

Preview 38:00

Lecture 80 : Speed Control of Shunt Motor - I

Preview 35:14

Lecture 81 : Speed Control of Shunt Motor - II

Preview 35:15

Lecture 82 : Speed Control of Shunt Motor - III

Preview 32:45

Lecture 83 : Field Control (Contd.)

Preview 32:08

Lecture 84 : D.C Motor Braking

Preview 31:55

Lecture 85 : Introduction to Series Motor

Preview 37:42

Lecture 86 : Series Motor Characteristics

Preview 34:46

Lecture 87 : Series Motor Speed Control

Preview 32:47

Lecture 88 : Universal Motor

Preview 31:35

Lecture 89 : Swinburne Test

Preview 31:28

Lecture 90 : Hopkinson Test

Preview 32:48

Lecture 91 : Efficiency Calculation

Preview 30:11

Lecture 92 : Field Test on D.C Series Motor

Preview 32:45

Lecture 93 : Simplex Wave winding

Preview 35:50

Lecture 94 : Wave Winding (Contd.)

Preview 33:55

Live Session 12-02-2020

Preview 53:45

Live Session 14-12-2020

Preview 45:05

Live Session 06-11-2019

Preview 64:12