Mastering Electrical Transformer Fundamentals

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why high voltages are used to transmit power
do transformer work on dc, if not what are HVDC transformer used in dc transmission
What was decisive weapon in winning war from dc system and prevailing of ac system
Why DC system is coming back
Generation, transmission, distribution network diagram
Why rating of transformer is given in KVA not kW
Transformer Symbol
Transformer Basic Diagram
what are primary and secondary windings
What changes are to be made if the primary and secondary winding
What us Ferromagnetism, how core act when coil is energized
Electric field, Magnetic field, Electromagnetic field
Transformer Basic Operating Principle
Self Inductance
Mutual Inductance
Mutual induction n distance of coupling
Coupling Coefficient
Coupling Factor Between Coils
Mutual Inductance Calculation Example No1
How transformer works, how secondary current is reflected to primary on load
Do Transformer Change frequency
Leakage flux and reactance of transformer
Transformer Equivalent Circuit Explained
Calculating Voltage at primary and secondary sides considering reactances an
Understanding voltage drop in transformer due to leakage reactance in the lig
Magnetic frig Effect
Reduction in hotspot temperature by reducing frig effect in transformer
How to minimize flux leakage
EMF Equation of transformer
Can 50,60Hz transformers be used interchangeably
Power in single n three phase transformer
Ideal Transformer
Real Transformer
Reflected Load in a Transformer
Types of Transformer
Power and Distribution Transformers
Classification of Transformer as per Cooling System
Oil Filled, Dry Type Transformer, Self and forced cooling
Why Radiators are used in transformer
Instrument Transformer
Voltage Transformer or Potential Transformer
Zig Zag Transformer
Step Up and Step Down Transformer
Isolation Transformer for Safety and reduce voltage spikes
Single Phase and Three Phase Transformer
Power Vs Auto Transformer
Theoretical Vs Practical Transformer
Winding arrangement in transformer, concentric, sandwich or pancake
Core Type and Shell Type Transformers
Type of wire used in transformer
Core Stepping or Cruciform
Feature most important for transformer design
Transformer Voltage Regulation
Transformer Efficiency and all day efficiency
Do high voltage regulation transformer are better
Relationship between Voltage regulation n Z of transformer
Losses in Transformers
Eddy Current Loss
Transformer Core Requirements
Transformer without core laminations
Air Gap Cored Transformer
Hysteresis Losses
Copper Losses
Losses Due to Magnetic leakage, Stray Losses
Measures to reduce losses in transformer
Which Losses in Transformer are fixed and variable
Transformer core Loss Vs Frequency, Flux Density
Transformer Core Saturation
Over Excitation Protection of Transformer
Power transformer design to withstand how much over flux
Effect of Over Fluxing in Transformers
Transformer Body Earthing
Transformer Core and Clamp Grounding
Should Transformer Core and Clamp need to be grounded
One Vs Several Transformer and Parrallel operation of transformer
Do Power Transformer be converted to auto transformer
Why at least one delta winding is provided in power transformers
Interesting Facts about Percentage Impedance of transformer
Tesla Coil
Parts of Transformer
Why Oil is used in power transformers
Transformer Polarity
How to perform polarity test of transformer
Main Tank and Conservator Tank
Sealed Tank or hermetically sealed Transformer
Silica Gel and Breather
Function of Radiator
Direction of oil flow in radiator
Radiator Thermographic Image
Types of Radiators
Types of Cooling, Why Two ratings are given at name plate of transformer
Which factor is decisive for max loading capacity of transformer
What factor effect most for transformer aging
Effect of temperature on paper aging
Risks when wet transformer is overheated
What is soak test and why it is done
Why humming sound is observed in power transformer, Magnetostriction Effect
When humming sound of transformer is increased
Buchholz Relay
Where buchholz relay is installed
Buchholz Functional Check
NO contacts of Buchholz Relay
Buchholz Bleeding and Test Point
Transportation and protection of buchholz relay contact
Buchholz internal, view
Directional mark on buchholz relay
Buchholz gas sampling device
Buchholz Manufacturer Operating Details
Sudden Oil Pressure Relay
Oil and Winding Temperature Indicator
Oil Level Indicator
Pressure Relief Device
Bushing of Transformer and Bushing Test Tap
Moisture is worst enemy of bushing
Periodical Check and maintenance of the bushing of transformer
HV Bushing Inspection glass
Creepage Distance, Clearance Distance and arcing horn
HV bushing maintenance
Rupture Disc
Sudden Oil Pressure Relay
Tap Changers Types and requirements
Make before break patent of onload tap changer by Dr Janson 1927
Tap Changer Winding Arrangements
Off load tap changer
On Load Tap Changer
On Load Tap changer Working
OLTC Sequence of operation in detail
OLTC General Arrangements
What is the basic difference between Transition Resistance and Reactor type
What are the advantages of vacuum type OLTC
What preventive maintenance, measures can be used for improvement in life Pe
Tie In Resistor in Tap Changer
Tap Changer Design Methodologies
Tap Changer Animation
Air Bleeding in Transformer
Test Performed On Transformer
Transformer Turn Ratio Test
Purpose Transformer Open circuit and short circuit test
Transformer Open Circuit Test
Short Circuit Test of Transformer
Impedance Test of Transformer
C and DF or Tan Delta Test of transformer
How to Predict the Result of Tan Delta Testing
Sweep Frequency Response Analysis Test
DC winding Resistance Test
Transformer Demagnetization after Winding Resistance Test
Going Through Transformer FAT Report
Transformer Name Plate
Transformer General Arrangement Drawing
Vector Group and Clock Method
How to draw winding connection if you know vector group
Testing Vector Group By Voltage Method
Transformer Troubleshooting
Preventive Maintenance of transformer
How Transformers are transported
Corona Rings at transformer bushing
Transformer Fire Protection System

Eager to learn

Dear Hi,
A transformer is a static machine used for transfog power from one circuit to another without chag the frequency. As there is no rotating or moving parts, a transformer is classified as a static device. Transformer operates on an AC supply. Transformers operate based on the principle of mutual induction.
Power transformers are called heart of power system, they are essential part and required for transmission and distribution of power supply.
I have prepared this course considering theoretical and practical aspects, you will certainly feel the difference when experience professional is delivering the knowledge. This course consist of 164 Video Lectures and total duration of 11 Hours. This is the most comprehensive training online for transformers.
Find below details of topics covered in this training.
1 Transformer Definition and Uses
2 Can transformer increase of decrease power
3 Do transformer have any rotating part
4 why high voltages are used to transmit power
5 do transformer work on dc, if not what are HVDC transformer used in dc transmission
6 What was decisive weapon in winning war from dc system and prevailing of ac system
7 DC system is coming back
8 Generation, transmission, distribution network diagram
9 Why rating of transformer is given in KVA not kW
10 Transformer Symbol
11 Transformer Basic Diagram
12 what are primary and secondary windings
13 What changes are to be made if the primary and secondary winding
14 Ferromagnetism, how core act when coil is energized
15 Electric field, Magnetic field, Electromagnetic field
16 Transformer Basic Operating Principle
17 Self Inductance
18 Mutual Inductance
19 Mutual induction n distance of coupling
20 Coupling Coefficient
21 Coupling Factor Between Coils
22 Mutual Inductance Calculation Example No1
23 How transformer works, how secondary current is reflected to primary on load
24 Do Transformer Change frequency
25 Leakage flux and reactance of transformer
26 Transformer Equivalent Circuit Explained
27 Calculating Voltage at primary and secondary sides considering reactance and resistances
28 Understanding voltage drop in transformer due to leakage reactance.
29 Magnetic frig Effect
30 Reduction in hotspot temperature by reducing frig effect in transformer
31 How to minimize flux leakage
32 EMF Equation of transformer
33 Can 50,60Hz transformers be used interchangeably
34 Power in single n three phase transformer
35 Ideal Transformer
36 Real Transformer
37 Reflected Load in a Transformer
38 Types of Transformer
39 Power and Distribution Transformers
40 Classification of Transformer as per Cooling System
41 Oil Filled, Dry Type Transformer, Self and forced cooling
42 Why Radiators are used in transformer
43 Instrument Transformer
44 Current Transformer
45 Voltage Transformer or Potential Transformer
46 Zig Zag Transformer
47 Step Up and Step Down Transformer
48 Isolation Transformer for Safety and reduce voltage spikes
49 Single Phase and Three Phase Transformer
50 Power Vs Auto Transformer
51 Theoretical Vs Practical Transformer
52 Winding arrangement in transformer, concentric, sandwich or pancake
53 Core Type and Shell Type Transformers
54 Type of wire used in transformer
55 Core Stepping or Cruciform
56 Feature most important for transformer design
57 Transformer Voltage Regulation
58 Transformer Efficiency and all day efficiency
59 Do high voltage regulation transformer are better
60 Relationship between Voltage regulation n Z of transformer
61 Losses in Transformers
62 Eddy Current Loss
63 Transformer Core Requirements
64 Transformer without core laminations
65 Air Gap Cored Transformer
66 Hysteresis Losses
67 Copper Losses
68 Losses Due to Magnetic leakage, Stray Losses
69 Measures to reduce losses in transformer
70 Which Losses in Transformer are fixed and variable
71 Transformer core Loss Vs Frequency, Flux Density
72 Transformer Core Saturation
73 Over Excitation Protection of Transformer
74 Power transformer design to withstand how much over flux
75 Effect of Over Fluxing in Transformers
76 Transformer Body Earthing
77 Transformer Core and Clamp Grounding
78 Should Transformer Core and Clamp need to be grounded
79 One Vs Several Transformer and Parallels operation of transformer
80 Do Power Transformer be converted to auto transformer
81 Why at least one delta winding is provided in power transformers
83 Interesting Facts about Percentage Impedance of transformer
84 Tesla Coil
85 Parts of Transformer
86 Why Oil is used in power transformers
87 Transformer Polarity
88 How to perform polarity test of transformer
89 Main Tank and Conservator Tank
90 Sealed Tank or hermetically sealed Transformer
91 Silica Gel and Breather
92 Function of Radiator
93 Direction of oil flow in radiator
94 Radiator Thermographic Image
95 Types of Radiators
96 Types of Cooling, Why Two ratings are given at name plate of transformer
97 Which factor is decisive for max loading capacity of transformer
98 What factor effect most for transformer aging
99 Effect of temperature on paper aging
100 Risks when wet transformer is overheated
101 What is soak test and why it is done
102 Why humming sound is observed in power transformer, Magnetostriction Effect
103 When humming sound of transformer is increased
104 Buchholz Relay
105 Where buchholz relay is installed
106 Buchholz Relay Working Principle
107 Buchholz Functional Check
108 NO contacts of Buchholz Relay
109 Buchholz Bleeding and Test Point
110 Transportation and protection of buchholz relay contact
111 Buchholz internal, view
112 Directional mark on buchholz relay
113 Buchholz gas sampling device
114 Buchholz Manufacturer Operating Details
115 Sudden Oil Pressure Relay
116 Oil and Winding Temperature Indicator
117 Oil Level Indicator
118 Pressure Relief Device
119 Bushing of Transformer and Bushing Test Tap
120 Moisture is worst enemy of bushing
121 Periodical Check and maintenance of the bushing of transformer
122 HV Bushing Inspection glass
123 Creepage Distance, Clearance Distance and arcing horn
124 HV bushing maintenance
125 Rupture Disc
126 Sudden Oil Pressure Relay
127 Tap Changers Types and requirements
128 Make before break patent of onload tap changer by Dr Janson 1927
129 Tap Changer Winding Arrangements
130 Off load tap changer
131 On Load Tap Changer
132 On Load Tap changer Working
133 OLTC Sequence of operation in detail
134 OLTC General Arrangements
135 What is the basic difference between Transition Resistance and Reactor type
136 What are the advantages of vacuum type OLTC
137 What preventive maintenance, measures can be used for improvement in life
138 Tie In Resistor in Tap Changer
139 Tap Changer Design Methodologies
140 Tap Changer Animation
141 Air Bleeding in Transformer
142 Test Performed On Transformer
144 Transformer Turn Ratio Test
145 Purpose Transformer Open circuit and short circuit test
146 Transformer Open Circuit Test
147 Short Circuit Test of Transformer
148 Impedance Test of Transformer
149 C and DF or Tan Delta Test of transformer
150 How to Predict the Result of Tan Delta Testing
151 Sweep Frequency Response Analysis Test
152 DC winding Resistance Test
153 Transformer Demagnetization after Winding Resistance Test
154 Going Through Transformer FAT Report
155 Transformer Name Plate
156 Transformer General Arrangement Drawing
157 Vector Group and Clock Method
158 How to draw winding connection if you know vector group
159 Testing Vector Group By Voltage Method
160 Transformer Troubleshooting
161 Preventive Maintenance of transformer
162 How Transformers are transported
163 Corona Rings at transformer bushing
164 Transformer Fire Protection System
Regards
Elite Eeering

Students, Eeers, Technicians




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