The document provides information about transformers, including:
1. Transformers are AC devices that change high voltage low current into low voltage high current and vice versa without changing frequency through electromagnetic induction between two electric circuits.
2. Transformers operate on the principle of mutual induction, where an emf is induced in one coil by a change in current in a neighboring coil.
3. The main components of a transformer are the laminated core and two windings - the primary and secondary windings. High voltage coils have smaller cross sections than low voltage coils.
Definition of Transformer|Working principle of transformer |Day 1|Basic elect...Prasant Kumar
#YOUTUBE_LINK
https://youtu.be/BvaykFJ_NoE
#Definition_of_Transformer
#Transformer_क्या_है
#Working_principle of transformer
#All about transformer
#Topic - ELECTRICAL TRANSFORMER
~ Link of all sessions are.
DAY 1 (Need/Definition)
https://youtu.be/BvaykFJ_NoE
DAY 2 (Working principle and Construction)
https://youtu.be/06rgxocihaM
DAY 3 (EMF equation and Turns Ratio)
https://youtu.be/g7e5xBPmv3Y
DAY 4 (Classification of Transformer)
https://youtu.be/6NP5L4MlvY4
DAY 5 ( Ideal and practical transformer on no load)
(Equivalent Transformer)
https://youtu.be/6LCLQC1p3lg
DAY 6 ( Losses in Transformer)
https://youtu.be/ObYNiGgd3hA
DAY 7 (O.C. and S.C. test)
https://youtu.be/8WiJRawHiTce/6LCLQC1p3lg
DAY 8 (Voltage Regulation & Efficiency)
https://youtu.be/6LCLQC1p3lg
DAY 9 (Zero Lecture)
https://youtu.be/N4xWOwgi8I4
DAY 10 (Classification of machine)
https://youtu.be/bmxnU5rC5m4
Construction of Machine
https://youtu.be/34mpphDk3gg
Working Principle of Synchronous Generator & Synchronous Motor
https://youtu.be/bkgf72M8BCY
Working Principle of Induction Motor
https://youtu.be/Lj_iQBoRiK0
Emf equation of Dc machine
https://youtu.be/RRSy-LTK4bI
Emf equation of Synchronous generator
https://youtu.be/tJ56sGFJw-I
Comparision between salient and cylindrical pole machine
https://youtu.be/kz9_cXmCzGU
Definition of Transformer|Working principle of transformer |Day 1|Basic elect...Prasant Kumar
#YOUTUBE_LINK
https://youtu.be/BvaykFJ_NoE
#Definition_of_Transformer
#Transformer_क्या_है
#Working_principle of transformer
#All about transformer
#Topic - ELECTRICAL TRANSFORMER
~ Link of all sessions are.
DAY 1 (Need/Definition)
https://youtu.be/BvaykFJ_NoE
DAY 2 (Working principle and Construction)
https://youtu.be/06rgxocihaM
DAY 3 (EMF equation and Turns Ratio)
https://youtu.be/g7e5xBPmv3Y
DAY 4 (Classification of Transformer)
https://youtu.be/6NP5L4MlvY4
DAY 5 ( Ideal and practical transformer on no load)
(Equivalent Transformer)
https://youtu.be/6LCLQC1p3lg
DAY 6 ( Losses in Transformer)
https://youtu.be/ObYNiGgd3hA
DAY 7 (O.C. and S.C. test)
https://youtu.be/8WiJRawHiTce/6LCLQC1p3lg
DAY 8 (Voltage Regulation & Efficiency)
https://youtu.be/6LCLQC1p3lg
DAY 9 (Zero Lecture)
https://youtu.be/N4xWOwgi8I4
DAY 10 (Classification of machine)
https://youtu.be/bmxnU5rC5m4
Construction of Machine
https://youtu.be/34mpphDk3gg
Working Principle of Synchronous Generator & Synchronous Motor
https://youtu.be/bkgf72M8BCY
Working Principle of Induction Motor
https://youtu.be/Lj_iQBoRiK0
Emf equation of Dc machine
https://youtu.be/RRSy-LTK4bI
Emf equation of Synchronous generator
https://youtu.be/tJ56sGFJw-I
Comparision between salient and cylindrical pole machine
https://youtu.be/kz9_cXmCzGU
EMF EQUATION OF TRANSFORMER,TRANSFORMATION RATIO OF TRANSFORMER|DAY 3|BASIC E...Prasant Kumar
#EMF_equation_transformer
#Transformation_Ratio of transformer
#Basic electrical engineering
#Derivation of transformer emf equation
#How to calculate transformer emf equation
#Topic - ELECTRICAL TRANSFORMER
~ Link of all sessions are.
DAY 1 (Need/Definition)
https://youtu.be/BvaykFJ_NoE
DAY 2 (Working principle and Construction)
https://youtu.be/06rgxocihaM
DAY 3 (EMF equation and Turns Ratio)
https://youtu.be/g7e5xBPmv3Y
DAY 4 (Classification of Transformer)
https://youtu.be/6NP5L4MlvY4
DAY 5 ( Ideal and practical transformer on no load)
(Equivalent Transformer)
https://youtu.be/6LCLQC1p3lg
Voltage Regulation of Transformer ,Efficiency of transformer|Day 8| Basic ele...Prasant Kumar
#Voltage_Regulation_Efficiency_Transformer
#Efficiency of transformer in Hindi
#Basic Electrical Engineering
#Electrical Transformer
#All Day efficiency of transformer
#What is regulation and its importance?
#How to estimate regulation at a given load and power factor?
#How to calculate efficiency of the transformer at a given load and power factor?
#Under what condition does the transformer operate at maximum efficiency?
#What is the difference between efficiency and all day efficiency?
WHAT IS TRANSFORMER, DEFINE TRANSFORMER, TYPES OF TRANSFORMER, RATINGS OF TRANSFORMERS, MANUFACTURING PROCESS OF TRANSFORMER, PARTS OF TRANSFORMER, TESTS OF TRANSFORMER, COSTING OF COPPER.
A study of Transformer - e world, electrical basics, electrical world, hazards in transformer, ilektech, transformer, transformer parts, transformer protection
CORE LOSS,COPPER LOSS,EDDY CURRENT,HYSTERESIS LOSS OF TRANSFORMER| DAY6|BASIC...Prasant Kumar
#CORE_COPPER_LOSS_EDDY_CURRENT_HYSTERESIS_LOSS
#CORE_LOSS_OF_TRANSFORMER
#COPPER_LOSS_OF_TRANSFORMER
#EDDY_CURRENT_OF_TRANSFORMER
#HYSTERESIS_LOSS_OF_TRANSFORMER
#BASIC ELECTRICAL ENGINEERING
In this video you will learn
Transformer ,Day 6, core loss,copper loss,eddy cuurent loss, Basic electrical and electronics engineering.
Transformer is a static device, hence mechanical losses (like friction loss) are absent in it. A transformer only consists of electrical losses (iron losses and copper losses).
Core Loss Or Iron Loss Or Constant loss:
Core losses are due to the magnetic properties of the material used for the construction of core.
Core is made by iron like CRGO so called iron loss.
Core loss is treated as constant at rated voltage and frequency, so called constant loss.
Eddy current loss:
EMF EQUATION OF TRANSFORMER,TRANSFORMATION RATIO OF TRANSFORMER|DAY 3|BASIC E...Prasant Kumar
#EMF_equation_transformer
#Transformation_Ratio of transformer
#Basic electrical engineering
#Derivation of transformer emf equation
#How to calculate transformer emf equation
#Topic - ELECTRICAL TRANSFORMER
~ Link of all sessions are.
DAY 1 (Need/Definition)
https://youtu.be/BvaykFJ_NoE
DAY 2 (Working principle and Construction)
https://youtu.be/06rgxocihaM
DAY 3 (EMF equation and Turns Ratio)
https://youtu.be/g7e5xBPmv3Y
DAY 4 (Classification of Transformer)
https://youtu.be/6NP5L4MlvY4
DAY 5 ( Ideal and practical transformer on no load)
(Equivalent Transformer)
https://youtu.be/6LCLQC1p3lg
Voltage Regulation of Transformer ,Efficiency of transformer|Day 8| Basic ele...Prasant Kumar
#Voltage_Regulation_Efficiency_Transformer
#Efficiency of transformer in Hindi
#Basic Electrical Engineering
#Electrical Transformer
#All Day efficiency of transformer
#What is regulation and its importance?
#How to estimate regulation at a given load and power factor?
#How to calculate efficiency of the transformer at a given load and power factor?
#Under what condition does the transformer operate at maximum efficiency?
#What is the difference between efficiency and all day efficiency?
WHAT IS TRANSFORMER, DEFINE TRANSFORMER, TYPES OF TRANSFORMER, RATINGS OF TRANSFORMERS, MANUFACTURING PROCESS OF TRANSFORMER, PARTS OF TRANSFORMER, TESTS OF TRANSFORMER, COSTING OF COPPER.
A study of Transformer - e world, electrical basics, electrical world, hazards in transformer, ilektech, transformer, transformer parts, transformer protection
CORE LOSS,COPPER LOSS,EDDY CURRENT,HYSTERESIS LOSS OF TRANSFORMER| DAY6|BASIC...Prasant Kumar
#CORE_COPPER_LOSS_EDDY_CURRENT_HYSTERESIS_LOSS
#CORE_LOSS_OF_TRANSFORMER
#COPPER_LOSS_OF_TRANSFORMER
#EDDY_CURRENT_OF_TRANSFORMER
#HYSTERESIS_LOSS_OF_TRANSFORMER
#BASIC ELECTRICAL ENGINEERING
In this video you will learn
Transformer ,Day 6, core loss,copper loss,eddy cuurent loss, Basic electrical and electronics engineering.
Transformer is a static device, hence mechanical losses (like friction loss) are absent in it. A transformer only consists of electrical losses (iron losses and copper losses).
Core Loss Or Iron Loss Or Constant loss:
Core losses are due to the magnetic properties of the material used for the construction of core.
Core is made by iron like CRGO so called iron loss.
Core loss is treated as constant at rated voltage and frequency, so called constant loss.
Eddy current loss:
Construction & E.M.F. eqn. of transformerJay Baria
In this ppt, construction and emf equation of transformer is shown and also the types of transformer and its various losses and its application is given in the presentation.
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5. Will Louis Vuitton have any new challenges arise due to the global financial crisis? How does it overcome the new challenges?Assignment 3
1. What has made Louis Vuitton's business model successful in the Japanese luxury market?
2. What are the opportunities and challenges for Louis Vuitton in Japan?
3. What are the specifics of the Japanese fashion luxury market?
4. How did Louis Vuitton enter into the Japanese market originally? What were the other entry strategies it adopted later to strengthen its presence?
5. Will Louis Vuitton have any new challenges arise due to the global financial crisis? How does it overcome the new challenges?Assignment 3
1. What has made Louis Vuitton's business model successful in the Japanese luxury market?
2. What are the opportunities and challenges for Louis Vuitton in Japan?
3. What are the specifics of the Japanese fashion luxury market?
4. How did Louis Vuitton enter into the Japanese market originally? What were the other entry strategies it adopted later to strengthen its presence?
5. Will Louis Vuitton have any new challenges arise due to the global financial crisis? How does it overcome the new challenges?
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2. Transformer
An A.C. device used to change high voltage low
current A.C. into low voltage high current A.C. and
vice-versa without changing the frequency
In brief,
1. Transfers electric power from one circuit to another
2. It does so without a change of frequency
3. It accomplishes this by electromagnetic induction
4. Where the two electric circuits are in mutual
inductive influence of each other.
3. Principle of operation
It is based on
principle of MUTUAL
INDUCTION.
According to which
an e.m.f. is induced
in a coil when
current in the
neighbouring coil
changes.
4. Constructional detail : Shell type
• Windings are wrapped around the center leg of a
laminated core.
8. Core type
Fig1: Coil and laminations of
core type transformer
Fig2: Various types of cores
9. Shell type
• The HV and LV
windings are split
into no. of sections
• Where HV winding
lies between two LV
windings
• In sandwich coils
leakage can be
controlledFig: Sandwich windings
12. Working of a transformer
1. When current in the primary coil
changes being alternating in
nature, a changing magnetic field
is produced
2. This changing magnetic field gets
associated with the secondary
through the soft iron core
3. Hence magnetic flux linked with
the secondary coil changes.
4. Which induces e.m.f. in the
secondary.
13.
14. Ideal Transformers
• Zero leakage flux:
-Fluxes produced by the primary and secondary currents
are confined within the core
• The windings have no resistance:
- Induced voltages equal applied voltages
• The core has infinite permeability
- Reluctance of the core is zero
- Negligible current is required to establish magnetic
flux
• Loss-less magnetic core
- No hysteresis or eddy currents
15. Ideal transformer
V1 – supply voltage ; I1- noload input current ;
V2- output voltgae; I2- output current
Im- magnetising current;
E1-self induced emf ; E2- mutually induced emf
18. Transformer Efficiency
Electrical Machines
Transformer efficiency is defined as (applies to motors, generators and
transformers):
%100×=
in
out
P
P
η
%100×
+
=
lossout
out
PP
P
η
Types of losses incurred in a transformer:
Copper I2
R losses
Hysteresis losses
Eddy current losses
Therefore, for a transformer, efficiency may be calculated using the following:
%100
cos
cos
x
IVPP
IV
SScoreCu
SS
θ
θ
η
++
=