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Lesson 01
Introduction of Transformer, Principle of Transformer Operation, EMF Equation, Voltage Ratio & Turns Ratio, Step-up & Step-down Transformer
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01:10:04min
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Lesson 02
Ideal Transformer, Transformer on no Load, Phaser Diagram at no Load, Numerical Session.
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01:01:56min
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Lesson 03
No Load Equivalent Circuit, Practical Transformer, Winding Resistance, Leakage Reactance, Equivalent values referred to Primary & Secondary side, Numericals
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00:40:20min
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Lesson 04
Derivation of Equivalent Circuit of a Transformer, Approx Equivalent Circuit referred to Primary & Secondary Side, Full Load Phased Diagram
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00:35:44min
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Lesson 05
Iron Loss or Core Loss, Hysteresis & Eddy Current Loss, Copper Loss, Stray & Dielectric Loss, Numericals
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00:37:55min
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Lesson 06
Voltage Regulation of Transformer, Voltage Regulation in terms of Primary Value, Calculation of Voltage Regulation at Lagging, Leading & Unity Pwr factor, Approximate Voltage Regulation at Leading, Lagging & Unity Pwr factor
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00:55:15min
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Lesson 07
Per unit Resistance, Leakage Reactance Impedance Voltage Drops, Voltage Regulation by per ubit quantities, Approxinate oer unit Voltage Regulation, Condition for zero voltahe regulation, Condition for maximum voltage regulation
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01:37:27min
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Lesson 17
Single Phase Transformer in Parallel with Equal & Unequal Vpltage Ratio Circulating Current
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00:56:39min
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Lesson 18
Three Phase Transformer, Advantage of Three Phase Unit Transformer, Advantage of a Transformer Bank of Three Single Transformer, Three Winding Transformer
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01:09:00min
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Lesson 19
Three Phase Transformer groups, Three Phase Transformer connections, Factors affecting the choice of connections
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01:34:10min
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Lesson 20
Delta - Delta Connection
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00:59:47min
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Lesson 21
Star - Star Connection, Delta - Star Connection, Star - Delta Connection
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00:44:08min
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Lesson 22
Open Delta OR V-V Connection
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00:51:22min
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Lesson 23
Star Connection, Tap Changing Transformer
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00:39:59min
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Lesson 24
Inrush of Magnetizing Current, B-H Curve of Transformer
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01:09:20min
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Lesson 25
Three to Six Phase Transformatio, Harmonic Phenomenon in Three Phase Transformers
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01:23:29min
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Lesson 26
Basic Structure of D C Machibe, D C Generator Construction, Magnetic Circuit of D C Generatior
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00:28:22min
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Lesson 27
Equivlent Circuit of D C Machine Armature, Types of D C Machine
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01:52:48min
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Lesson 28
EMF Equation of DC Machine, Lap of Wave Winding, General processing of solviong problems on Generated Voltage & Armature Current
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01:24:01min
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Lesson 29
Armature Reaction in DC Generators
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00:42:43min
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Lesson 30
Commutation in DC Machine
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00:32:42min
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Lesson 31
Methods of improving Commutation
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00:51:38min
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Lesson 32
Demagnetizing and Cross Magnetizing ampere turns
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00:32:20min
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Lesson 33
Separately excited DC Generator, Voltage build-up in Self Excited Generator, Characteristics of Compound DC Generators
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00:42:07min
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Lesson 34
Introduction, Motor Principle, Bqack EMF, Equivalent Circuit of a DC Motor Armature Torque
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01:02:30min
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Lesson 35
Types of DC Motors, Armature Relation in DC Motor & Interpole, Characteristics of DC Shunt or Separately excited DC Motors
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00:55:46min
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Lesson 36
Characteristics of DC Series Motor
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00:57:15min
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Lesson 37
Characteristics of a Compound Motor, Speed of a DC Machine, Speed Regulation
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02:05:54min
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Lesson 38
Speed Control of DC Motors, (Part-I)
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01:52:32min
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Lesson 39
Speed Control of DC Motors, (Part-II)
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01:10:55min
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Lesson 40
Losses in DC Machine, Power Flow Diagram
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01:50:46min
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Lesson 41
Efficiency of D C Machine
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01:59:59min
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Lesson 42
Testing of D C Machine (Part-1)
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02:13:32min
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Lesson 43
Testing of D C Machine (Part-2)
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00:50:35min
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Lesson 44
Starting of DC Motors
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00:50:35min
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Lesson 45
Electric Braking of DC Motors (Part-1)
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00:57:18min
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Lesson 46
Electric Braking of DC Motors (Part-2)
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01:05:29min
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Lesson 47
Four Quadrant Operation of Dives
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02:10:27min
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Lesson 48
Electromechanical Energy Conversion
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01:29:55min
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Lesson 49
Energy stored in Magnetic Field, Singly excited system
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01:24:00min
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Lesson 50
Electromagbetic Torque in Doubly Excited System
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01:49:38min
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Lesson 51
Basic Concept of Rotating Electrical Machine (Part-1)
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01:01:45min
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Lesson 52
Basic Concept of Rotating Electrical Machine (Part-2)
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01:21:43min
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Lesson 53
Ampere's Law, Fuse Density, Magnetic Force, Right Hand Rule Permeability, Magnetic Flux* A,pere's Circuit Law
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00:58:43min
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Lesson 54
Magnetic Circuits, LeakageFlux density, Ampere's circuital Law, Right hand rule, permeability
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01:37:55min
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Lesson 55
Electromagnetic Induction & Force, Faraday's Law, Lorentz force equation, Self & Mutual Inductance, Dot Convention
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01:24:08min
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Lesson 56
Magnetic Materials & B-H Relationship, Magnetization characteristics
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00:30:00min
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Lesson 57
Based on D C Generator
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01:25:15min
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Lesson 58
Based on D C Motor (Part-I)
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01:13:13min
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Lesson 59
Based on D C Motor (Part-II)
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min
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Lesson 60
Based on D C Motor (Part-III)
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00:42:15min
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Lesson 61
Based on SCT & OCT of Single Phase Transformer
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00:26:08min
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Lesson 62
Based on Transformer Efficiency
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01:20:31min
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Lesson 63
Based on Auto Transformer
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00:33:55min
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