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Lecture 01
Introduction of Transformer, Principle of Transformer Operation, EMF Equation, Voltage Ratio & Turns Ratio, Step-up & Step-down Transformer
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01:14:39min
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Lecture 02
Open & Close Traverse, Types of Bearing, Fore Bearing & Back Bearing, Included Angles, Local Attraction
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01:21:02min
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Lecture 03
No Load Equivalent Circuit, Practical Transformer, Winding Resistance, Leakage Reactance, Equivalent values referred to Primary & Secondary side, Numericals
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01:33:21min
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Lecture 04
Derivation of Equivalent Circuit of a Transformer, Approx Equivalent Circuit referred to Primary & Secondary Side, Full Load Phased Diagram
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01:09:43min
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Lecture 05
Iron Loss or Core Loss, Hysteresis & Eddy Current Loss, Copper Loss, Stray & Dielectric Loss, Numericals
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42:15min
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Lecture 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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01:01:59min
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Lecture 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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42:54min
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Lecture 08
Numericals based on Voltage Regulation
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01:18:12min
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Lecture 09
Open Circuit Test, Short Circuit Test
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30:15min
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Lecture 10
Sumpner's Test
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20:31min
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Lecture 11
Transformer Efficiancy,
Condition for maximum Efficiancy
Efficiancy Curve, per unit
Quantities, Transformer Efficiancy
By Per unit Quatities
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01:32:09min
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Lecture 12
Energy Efficiency, Distribution Transformers, Power Transformers, Application of Transformers
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24:19min
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Lecture 13
Single Phase Auto Transformer, Voltampere Relations, Step-up & Step-Down Transformer
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43:47min
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Lecture 14
Auto Transformer Efficiency, Saving in Conductor Material, Advantage, Disadvantage & Application of Auto Transformer, Conversion of two Winding Transformer to an auto Transformer
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01:11:26min
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Lecture 15
Construction of Single Phase Transformer, Cooling of Transformer
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24:00min
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Lecture 16
Parallel Operation of Transformer, Reasons for Parallel Operation, Condition for Parallel Operation of Single Phase & Three Phase Transformer
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25:49min
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Lecture 17
Single Phase Transformer in Parallel with Equal & Unequal Vpltage Ratio Circulating Current
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01:27:23min
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Lecture 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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51:14min
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Lecture 19
Three Phase Transformer groups, Three Phase Transformer connections, Factors affecting the choice of connections
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36:49min
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Lecture 20
Delta - Delta Connection
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57:30min
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Lecture 21
Star - Star Connection, Delta - Star Connection, Star - Delta Connection
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49:42min
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Lecture 22
Open Delta OR V-V Connection
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44:29min
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Lecture 23
Star Connection, Tap Changing Transformer
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44:29min
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Lecture 24
Inrush of Magnetizing Current, B-H Curve of Transformer
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50:18min
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Lecture 25
Three to Six Phase Transformatio, Harmonic Phenomenon in Three Phase Transformers
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56:39min
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Lecture 26
Basic Structure of D C Machibe, D C Generator Construction, Magnetic Circuit of D C Generatior
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01:05:57min
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Lecture 27
Basic Structure of D C Machibe, D C Generator Construction, Magnetic Circuit of D C Generatior
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47:17min
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Lecture 28
EMF Equation of DC Machine, Lap of Wave Winding, General processing of solviong problems on Generated Voltage & Armature Current
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26:09min
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Lecture 29
Armature Reaction in DC Generators
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01:00:26min
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Lecture 30
Commutation in DC Machine
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29:21min
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Lecture 31
Methods of improving Commutation
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01:39:30min
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Lecture 32
Demagnetizing and Cross Magnetizing ampere turns
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19:48min
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Lecture 33
Separately excited DC Generator, Voltage build-up in Self Excited Generator, Characteristics of Compound DC Generators
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19:39min
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Lecture 34
Introduction, Motor Principle, Bqack EMF, Equivalent Circuit of a DC Motor Armature Torque
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01:38:11min
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Lecture 35
Types of DC Motors, Armature Relation in DC Motor & Interpole, Characteristics of DC Shunt or Separately excited DC Motors
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58:01min
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Lecture 36
Characteristics of DC Series Motor
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36:34min
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Lecture 37
Characteristics of a Compound Motor, Speed of a DC Machine, Speed Regulation
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17:38min
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Lecture 38
Speed Control of DC Motors, (Part-I)
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44:05min
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Lecture 39
Speed Control of DC Motors, (Part-II)
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28:11min
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Lecture 40
Losses in DC Machine, Power Flow Diagram
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38:52min
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Lecture 41
Efficiency of D C Machine
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18:44min
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Lecture 42
Testing of D C Machine (Part-1)
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39:18min
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Lecture 43
Testing of D C Machine (Part-2)
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01:10:03min
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Lecture 44
Starting of DC Motors
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50:50min
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Lecture 45
Electric Braking of DC Motors (Part-1)
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44:20min
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Lecture 46
Electric Braking of DC Motors (Part-2)
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57:58min
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Lecture 48
Electromechanical Energy Conversion
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34:21min
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Lecture 47
Four Quadrant Operation of Dives
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28:03min
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Lecture 49
Energy stored in Magnetic Field, Singly excited system
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01:04:38min
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Lecture 50
Electromagbetic Torque in Doubly Excited System
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57:48min
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Lecture 51
Basic Concept of Rotating Electrical Machine (Part-1)
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01:15:54min
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Lecture 52
Basic Concept of Rotating Electrical Machine (Part-2)
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01:07:17min
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Lecture 53
Ampere's Law, Fuse Density, Magnetic Force, Right Hand Rule Permeability, Magnetic Flux* A,pere's Circuit Law
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01:05:41min
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Lecture 54
Magnetic Circuits, LeakageFlux density, Ampere's circuital Law, Right hand rule, permeability
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35:56min
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Lecture 55
Electromagnetic Induction & Force, Faraday's Law, Lorentz force equation, Self & Mutual Inductance, Dot Convention
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01:37:57min
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Lecture 56
Magnetic Materials & B-H Relationship, Magnetization characteristics
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30:51min
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Lecture 57
Based on D C Generator
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01:33:56min
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Lecture 58
Based on D C Motor (Part-I)
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49:51min
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Lecture 59
Based on D C Motor (Part-II)
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01:23:24min
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Lecture 60
Based on D C Motor (Part-III)
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02:20:02min
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Lecture 61
Based on SCT & OCT of Single Phase Transformer
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01:17:24min
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Lecture 62
Based on Transformer Efficiency
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02:38:53min
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Lecture 63
Based on Auto Transformer
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01:24:38min
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Lecture 64
Based on Parallel Operation of Transformers
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02:17:00min
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