Mastering Electrical Transformer Fundamentals Part 6

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Learn from Professionals, Electrical Power Eeering

What you'll learn
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
Requirements
Eager to learn
Description
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.Topics covered in Part 1:1 Transformer Definition and Uses2 Can transformer increase of decrease power3 Do transformer have any rotating part4 why high voltages are used to transmit power5 do transformer work on dc, if not what are HVDC transformer used in dc transmission6 What was decisive weapon in winning war from dc system and prevailing of ac system7 DC system is coming back8 Generation, transmission, distribution network diagram9 Why rating of transformer is given in KVA not kW10 Transformer Symbol11 Transformer Basic Diagram12 what are primary and secondary windings13 What changes are to be made if the primary and secondary winding14 Ferromagnetism, how core act when coil is energized15 Electric field, Magnetic field, Electromagnetic field16 Transformer Basic Operating Principle17 Self Inductance18 Mutual Inductance19 Mutual induction n distance of coupling20 Coupling Coefficient21 Coupling Factor Between Coils22 Mutual Inductance Calculation Example No123 How transformer works, how secondary current is reflected to primary on load24 Do Transformer Change frequency25 Leakage flux and reactance of transformer26 Transformer Equivalent Circuit Explained27 Calculating Voltage at primary and secondary sides considering reactance and resistances28 Understanding voltage drop in transformer due to leakage reactance.29 Magnetic frig Effect30 Reduction in hotspot temperature by reducing frig effect in transformerTopics covered in Part 2:31 How to minimize flux leakage32 EMF Equation of transformer33 Can 50,60Hz transformers be used interchangeably34 Power in single n three phase transformer35 Ideal Transformer36 Real Transformer37 Reflected Load in a Transformer38 Types of Transformer39 Power and Distribution Transformers40 Classification of Transformer as per Cooling System41 Oil Filled, Dry Type Transformer, Self and forced cooling42 Why Radiators are used in transformer43 Instrument Transformer44 Current Transformer45 Voltage Transformer or Potential Transformer46 Zig Zag Transformer47 Step Up and Step Down Transformer48 Isolation Transformer for Safety and reduce voltage spikes49 Single Phase and Three Phase Transformer50 Power Vs Auto Transformer51 Theoretical Vs Practical Transformer52 Winding arrangement in transformer, concentric, sandwich or pancake53 Core Type and Shell Type Transformers54 Type of wire used in transformer55 Core Stepping or Cruciform56 Feature most important for transformer design57 Transformer Voltage Regulation58 Transformer Efficiency and all day efficiency59 Do high voltage regulation transformer are better60 Relationship between Voltage regulation n Z of transformerTopics covered in Part 3:61 Losses in Transformers62 Eddy Current Loss63 Transformer Core Requirements64 Transformer without core laminations65 Air Gap Cored Transformer66 Hysteresis Losses67 Copper Losses68 Losses Due to Magnetic leakage, Stray Losses69 Measures to reduce losses in transformer70 Which Losses in Transformer are fixed and variable71 Transformer core Loss Vs Frequency, Flux Density72 Transformer Core Saturation73 Over Excitation Protection of Transformer74 Power transformer design to withstand how much over flux75 Effect of Over Fluxing in Transformers76 Transformer Body Earthing77 Transformer Core and Clamp Grounding78 Should Transformer Core and Clamp need to be grounded79 One Vs Several Transformer and Parallels operation of transformer80 Do Power Transformer be converted to auto transformer81 Why at least one delta winding is provided in power transformers83 Interesting Facts about Percentage Impedance of transformer84 Tesla CoilTopics covered in Part 4:85 Parts of Transformer86 Why Oil is used in power transformers87 Transformer Polarity88 How to perform polarity test of transformer89 Main Tank and Conservator Tank90 Sealed Tank or hermetically sealed Transformer91 Silica Gel and Breather92 Function of Radiator93 Direction of oil flow in radiator94 Radiator Thermographic Image95 Types of Radiators96 Types of Cooling, Why Two ratings are given at name plate of transformer97 Which factor is decisive for max loading capacity of transformer98 What factor effect most for transformer aging99 Effect of temperature on paper aging100 Risks when wet transformer is overheated101 What is soak test and why it is done102 Why humming sound is observed in power transformer, Magnetostriction Effect103 When humming sound of transformer is increased104 Buchholz Relay105 Where Buchholz relay is installed106 Buchholz Relay Working Principle107 Buchholz Functional Check108 NO contacts of Buchholz Relay109 Buchholz Bleeding and Test Point110 Transportation and protection of Buchholz relay contact111 Buchholz internal, view112 Directional mark on Buchholz relay113 Buchholz gas sampling device114 Buchholz Manufacturer Operating Details115 Sudden Oil Pressure Relay116 Oil and Winding Temperature Indicator117 Oil Level Indicator118 Pressure Relief Device119 Bushing of Transformer and Bushing Test Tap120 Moisture is worst enemy of bushing121 Periodical Check and maintenance of the bushing of transformer122 HV Bushing Inspection glassTopics covered in Part 5:123 Creepage Distance, Clearance Distance and arcing horn124 HV bushing maintenance125 Rupture Disc126 Sudden Oil Pressure Relay127 Tap Changers Types and requirements128 Make before break patent of onload tap changer by Dr Janson 1927129 Tap Changer Winding Arrangements130 Off load tap changer131 On Load Tap Changer132 On Load Tap changer Working133 OLTC Sequence of operation in detail134 OLTC General Arrangements135 What is the basic difference between Transition Resistance and Reactor type136 What are the advantages of vacuum type OLTC137 What preventive maintenance, measures can be used for improvement in life138 Tie In Resistor in Tap Changer139 Tap Changer Design Methodologies140 Tap Changer Animation141 Air Bleeding in Transformer142 Test Performed On Transformer144 Transformer Turn Ratio Test145 Purpose Transformer Open circuit and short circuit test146 Transformer Open Circuit Test147 Short Circuit Test of Transformer148 Impedance Test of Transformer149 C and DF or Tan Delta Test of transformer150 How to Predict the Result of Tan Delta Testing151 Sweep Frequency Response Analysis Test152 DC winding Resistance Test153 Transformer Demagnetization after Winding Resistance Test154 Going Through Transformer FAT ReportTopics covered in Part 6:155 Transformer Name Plate156 Transformer General Arrangement Drawing157 Vector Group and Clock Method158 How to draw winding connection if you know vector group159 Testing Vector Group By Voltage Method160 Transformer Troubleshooting161 Preventive Maintenance of transformer162 How Transformers are transported163 Corona Rings at transformer bushing164 Transformer Fire Protection SystemRegardsElite Eeering

Overview

Section 1: Introduction

Lecture 1 Introduction

Section 2: Transformer General Arrangement Drawing

Lecture 2 Transformer General Arrangement Drawing

Section 3: Vector Group and Clock Method

Lecture 3 Vector Group and Clock Method

Section 4: How to draw winding connection if you know vector group

Lecture 4 How to draw winding connection if you know vector group

Section 5: Testing Vector Group By Voltage Method

Lecture 5 Testing Vector Group By Voltage Method

Section 6: Transformer Troubleshooting

Lecture 6 Transformer Troubleshooting

Section 7: Preventive Maintenance of transformer

Lecture 7 Preventive Maintenance of transformer

Section 8: How Transformers are transported

Lecture 8 How Transformers are transported

Section 9: Corona Rings at transformer bushing

Lecture 9 Corona Rings at transformer bushing

Section 10: Transformer Fire Protection System

Lecture 10 Transformer Fire Protection System

Students, Eeers, Technicians

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