Approved
by AICTE, Accredited by NAAC, Affiliated to JNTUK
Department of EEE
Teacher/Instructor: Mr. M. Ramesh Kumar, Assistant Professor,
Lesson
Plan for a Day
Course Name: Electrical Machines-I
Year/Sem : II/ I
Course Objectives
l To
understand the construction, principle of operation and performance of DC
machines.
l To
describe the effect of Armature Reaction, importance of Commutation and losses
in a DC Machine.
l To
study the methods of speed control and methods of testing methods to calculate
the efficiency.
l To
explain the principle and operation of transformer, equivalent circuit models
of transformers.
l To
analyze the different testing methods for 1-Фtransformers, Poly-phase
Connections to connect three phase transformers.
Course
Outcomes
|
1 |
Factual |
1. Explain the concepts of
electromechanical energy conversion, Operation of Machines. |
|
2 |
Conceptual |
2. Mitigate the ill-effects of armature
reaction and improve commutation in dc machines. 3.
Understand the torque production mechanism and control the speed of dc
motors. |
|
3 |
Procedural |
4.
Operate transformers in parallel, control voltages with tap changing methods
and achieve three-phase to two-phase transformation. |
|
4 |
Applied |
5.
Analyze the performance; predetermine regulation, losses and efficiency of
single phase transformers. |
Textbooks:
1. Electrical
Machines by P.S. Bhimbra, Khanna Publishers.
2. Electrical
Machines by D. P.Kothari, I .J .Nagarth,Mc Graw Hill Publications, 4th edition.
3. Electrical
Machines by R.K.Rajput, Lakshmi publications, 5th edition.
4. Theory
& Performance of Electrical Machines by J.B.Guptha. S.K.Kataria & Sons.
5. Electrical
Technology, volume-II by B.L.Tereja.
Lesson 1: Construction and
Operation of DC Machines
Contents/Activities
Schedule and Sequence: Day Plan for Lesson 1 – Construction
and Operation of DC Machine
EM-1
Lesson Plan– Total Classes: 14
|
Session/ week/ Lesson-1 Total Classes- 13 |
Topic |
Objectives |
Before Class - Videos, e-Books, Case studies |
In-Class – Activities, Quiz (Micro teaching) |
Post Class - Assignment, Discussion
Forum |
|
Day-1 |
Introduction to Electrical
Machines and Revising basic Electrical Circuits definitions and laws. |
To understand the construction,
principle of operation and performance of DC machines |
Electrical
Machines text book: https://drive.google.com/file/d/1hFNZveKLUY9fMvikDQ81GgwzhYQG5vjJ/view?usp=sharing |
Discussion
on pre-requisites (5 Min) PPT-Presentation
(50Min) Doubts
clarification (5 min)
|
Learning outcomes – Students should be able to: v Explain the concepts of
electromechanical energy conversion. |
|
Day-2 |
Classification of Electrical
Machines and Introduction to DC Machines. |
To understand the construction,
principle of operation and performance of DC machines |
Electrical
Machines text book https://drive.google.com/file/d/1hFNZveKLUY9fMvikDQ81GgwzhYQG5vjJ/view?usp=sharing |
Discussion
on Previous class (5 Min) PPT-Presentation
(50Min) Doubts
clarification (5 min) |
Learning outcomes – Students should be able to: v Explain the concepts of
electromechanical energy conversion. |
|
Day-3 |
Principle and Operation of a
simple Machine using single loop generator |
To understand the construction,
principle of operation and performance of DC machines |
Electrical
Machines text book https://drive.google.com/file/d/1hFNZveKLUY9fMvikDQ81GgwzhYQG5vjJ/view?usp=sharing |
Discussion
on Previous class (5 Min) PPT-Presentation
(50Min) Doubts
clarification (5 min)
|
Learning outcomes – Students should be able to: v Explain the concepts of
electromechanical energy conversion. |
|
Day-4 |
Construction of DC machine |
To understand the construction,
principle of operation and performance of DC machines |
Electrical
Machines text book |
Discussion
on Previous class (5 Min) PPT-Presentation
(50Min) Doubts
clarification (5 min)
|
Learning outcomes – Students should be able to: v Explain the concepts of
electromechanical energy conversion. |
|
Day-5 |
Construction of DC machine |
To understand the construction,
principle of operation and performance of DC machines |
Electrical
Machines text book https://drive.google.com/file/d/1hFNZveKLUY9fMvikDQ81GgwzhYQG5vjJ/view?usp=sharing |
Discussion
on Previous class (5 Min) PPT-Presentation
(50Min) Doubts
clarification (5 min)
|
Learning outcomes – Students should be able to: v Explain the concepts of
electromechanical energy conversion. |
|
Day-6 |
EMF equation for generator |
To understand the construction,
principle of operation and performance of DC machines |
Electrical
Machines text book https://drive.google.com/file/d/1hFNZveKLUY9fMvikDQ81GgwzhYQG5vjJ/view?usp=sharing |
Discussion
on Previous class (5 Min) PPT-Presentation
(50Min) Doubts
clarification (5 min)
|
Learning outcomes – Students should be able to: v Explain the concepts of
electromechanical energy conversion. |
|
Day-7 |
Classification of DC machines
based on excitation. (Separately-excited,
Self-excited: Shunt Machines) |
To understand the construction, principle
of operation and performance of DC machines |
Electrical
Machines text book https://drive.google.com/file/d/1hFNZveKLUY9fMvikDQ81GgwzhYQG5vjJ/view?usp=sharing |
Discussion
on Previous class (5 Min) PPT-Presentation
(50Min) Doubts
clarification (5 min)
|
Learning outcomes – Students should be able to: v Explain the concepts of
electromechanical energy conversion. |
|
Day-8 |
Classification of DC machines
based on excitation. (Self-excited: Series, Compound
Machines) |
To understand the construction,
principle of operation and performance of DC machines |
Electrical
Machines text book https://drive.google.com/file/d/1hFNZveKLUY9fMvikDQ81GgwzhYQG5vjJ/view?usp=sharing |
Discussion
on Previous class (5 Min) PPT-Presentation
(50Min) Doubts
clarification (5 min)
|
Learning outcomes – Students should be able to: v Explain the concepts of
electromechanical energy conversion. |
|
Day-9 |
Characteristics of DC
Generators. |
To understand the construction,
principle of operation and performance of DC machines |
Electrical Machines
text book https://drive.google.com/file/d/1hFNZveKLUY9fMvikDQ81GgwzhYQG5vjJ/view?usp=sharing |
Discussion
on Previous class (5 Min) PPT-Presentation
(50Min) Doubts
clarification (5 min)
|
Learning outcomes – Students should be able to: v Explain the concepts of
electromechanical energy conversion. |
|
Day-10 |
Open Circuit Characteristics of
DC Shunt Generator |
To understand the construction,
principle of operation and performance of DC machines |
Electrical
Machines text book https://drive.google.com/file/d/1hFNZveKLUY9fMvikDQ81GgwzhYQG5vjJ/view?usp=sharing |
Discussion
on Previous class (5 Min) PPT-Presentation
(50Min) Doubts
clarification (5 min)
|
Learning outcomes – Students should be able to: v Explain the concepts of
electromechanical energy conversion. |
|
Day-11 |
Applications of DC Generators |
To revise the concepts of machines on specific parameters |
Revise
previous class – (5 mins) PPT-Presentation
(50Min) Doubts clarification (5
min) |
Learning outcomes – Students should be able to: v Explain the concepts of
electromechanical energy conversion. |
|
|
Day-12 |
Problems on Generated EMF, Shunt
Generator |
To understand the construction,
principle of operation and performance of DC machines |
Electrical
Machines text book https://drive.google.com/file/d/1hFNZveKLUY9fMvikDQ81GgwzhYQG5vjJ/view?usp=sharing |
Discussion
on Previous class (5 Min) PPT-Presentation
(50Min) Doubts
clarification (5 min)
|
Learning outcomes – Students should be able to: v Explain the concepts of
electromechanical energy conversion. v Assignment on EMF equation |
|
Day-13 |
Problems on Series and Compound
Generator |
To understand the construction,
principle of operation and performance of DC machines |
Electrical
Machines text book https://drive.google.com/file/d/1hFNZveKLUY9fMvikDQ81GgwzhYQG5vjJ/view?usp=sharing |
Discussion
on Previous class (5 Min) PPT-Presentation
(50Min) Doubts
clarification (5 min)
|
Learning outcomes – Students should be able to: v Explain the concepts of
electromechanical energy conversion. v Assignment on Self excited Machines |
|
Day-14 |
Problems on Open Circuit
Characteristics of DC Machine |
To understand the construction,
principle of operation and performance of DC machines |
Electrical
Machines text book https://drive.google.com/file/d/1hFNZveKLUY9fMvikDQ81GgwzhYQG5vjJ/view?usp=sharing |
Discussion
on Previous class (5 Min) PPT-Presentation
(50Min) Doubts
clarification (5 min)
|
Learning outcomes – Students should be able to: v Explain the concepts of
electromechanical energy conversion. v Assignment on critical speed and
critical resistance calculation |
Lesson II: Performance of DC
Machines
Contents/Activities
Schedule
and Sequence: Day Plan for Lesson II – Performance of DC
Machines
EM-1 Lesson Plan– Total
Classes: 17
|
Session/
week/ Lesson-II Total
Classes- 17 |
Topic |
Objectives |
Before
Class - Videos, e-Books, Case studies |
In-Class
– Activities, Quiz (Micro
teaching) |
Post
Class - Assignment, Discussion Forum |
|
Day-15 |
Introduction to DC Motors, Principle and operation of DC
Motor |
To
describe the effect of Armature Reaction, importance of Commutation and
losses in a DC Machine. |
Electrical Machines text book https://drive.google.com/file/d/1hFNZveKLUY9fMvikDQ81GgwzhYQG5vjJ/view?usp=sharing |
Revise previous class – (5 mins) PPT-Presentation (50Min) Doubts
clarification (5 min) |
Learning outcomes – Students should be able to: v mitigate the ill-effects of
armature reaction and improve commutation in dc machines. |
|
Day-16 |
Significance of Back-EMF and Torque
|
To
describe the effect of Armature Reaction, importance of Commutation and
losses in a DC Machine. |
Electrical Machines text book https://drive.google.com/file/d/1hFNZveKLUY9fMvikDQ81GgwzhYQG5vjJ/view?usp=sharing |
Revise previous class – (5 mins) PPT-Presentation (50Min) Doubts
clarification (5 min) |
Learning outcomes – Students should be able to: v mitigate the ill-effects of
armature reaction and improve commutation in dc machines.. |
|
Day-17 |
Classification of Motors and their relevant equations |
To
describe the effect of Armature Reaction, importance of Commutation and
losses in a DC Machine. |
Electrical Machines text book https://drive.google.com/file/d/1hFNZveKLUY9fMvikDQ81GgwzhYQG5vjJ/view?usp=sharing |
Revise previous class – (5 mins) PPT-Presentation (50Min) Doubts
clarification (5 min) |
Learning outcomes – Students should be able to: v mitigate the ill-effects of
armature reaction and improve commutation in dc machines.. |
|
Day-18 |
Classification of DC machines based on excitation. (Separately-excited,
Self-excited: Shunt Machines) |
To
describe the effect of Armature Reaction, importance of Commutation and
losses in a DC Machine. |
Electrical Machines text book https://drive.google.com/file/d/1hFNZveKLUY9fMvikDQ81GgwzhYQG5vjJ/view?usp=sharing |
Revise previous class – (5 mins) PPT-Presentation (50Min) Doubts
clarification (5 min) |
Learning outcomes – Students should be able to: v mitigate the ill-effects of
armature reaction and improve commutation in dc machines.. |
|
Day-19 |
Classification of DC machines based on excitation. (Self-excited: Series, Compound Machines) |
To
describe the effect of Armature Reaction, importance of Commutation and
losses in a DC Machine. |
Electrical Machines text book https://drive.google.com/file/d/1hFNZveKLUY9fMvikDQ81GgwzhYQG5vjJ/view?usp=sharing |
Revise previous class – (5 mins) PPT-Presentation (50Min) Doubts
clarification (5 min) |
Learning outcomes – Students should be able to: v mitigate the ill-effects of
armature reaction and improve commutation in dc machines.. |
|
Day-20 |
Classification of Torques in DC Motors |
To
describe the effect of Armature Reaction, importance of Commutation and
losses in a DC Machine. |
Electrical Machines text book https://drive.google.com/file/d/1hFNZveKLUY9fMvikDQ81GgwzhYQG5vjJ/view?usp=sharing |
Revise previous class – (5 mins) PPT-Presentation (50Min) Doubts
clarification (5 min) |
Learning outcomes – Students should be able to: v mitigate the ill-effects of
armature reaction and improve commutation in dc machines.. |
|
Day-21 |
Armature Reaction |
To
describe the effect of Armature Reaction, importance of Commutation and
losses in a DC Machine. |
Electrical Machines text book https://www.electrical4u.com/armature-reaction-in-dc-machine/ |
Revise previous class – (5 mins) PPT-Presentation (50Min) Doubts
clarification (5 min) |
Learning outcomes – Students should be able to: v mitigate the ill-effects of
armature reaction and improve commutation in dc machines. |
|
Day-22 |
Armature Reaction |
To
describe the effect of Armature Reaction, importance of Commutation and
losses in a DC Machine. |
Electrical Machines text book https://www.electrical4u.com/armature-reaction-in-dc-machine/ |
Revise previous class – (5 mins) PPT-Presentation (50Min) Doubts
clarification (5 min) |
Learning outcomes – Students should be able to: v mitigate the ill-effects of
armature reaction and improve commutation in dc machines. |
|
Day-23 |
Commutation |
To
describe the effect of Armature Reaction, importance of Commutation and
losses in a DC Machine. |
Electrical Machines text book https://www.electricalstudynotes.com/2017/05/commutation.html |
Revise previous class – (5 mins) PPT-Presentation (50Min) Doubts
clarification (5 min) |
Learning outcomes – Students should be able to: v mitigate the ill-effects of
armature reaction and improve commutation in dc machines.. |
|
Day-24 |
Commutation |
To
describe the effect of Armature Reaction, importance of Commutation and
losses in a DC Machine. |
Electrical Machines text book https://www.electricalstudynotes.com/2017/05/commutation.html |
Revise previous class – (5 mins) PPT-Presentation (50Min) Doubts
clarification (5 min) |
Learning outcomes – Students should be able to: v mitigate the ill-effects of
armature reaction and improve commutation in dc machines.. |
|
Day-25 |
Different types of characteristics to determine
Performance of DC Motor (Separately –Excited, Shunt) |
To
describe the effect of Armature Reaction, importance of Commutation and
losses in a DC Machine. |
Electrical Machines text book https://drive.google.com/file/d/1hFNZveKLUY9fMvikDQ81GgwzhYQG5vjJ/view?usp=sharing |
Revise previous class – (5 mins) PPT-Presentation (50Min) Doubts
clarification (5 min) |
Learning outcomes – Students should be able to: v mitigate the ill-effects of
armature reaction and improve commutation in dc machines.. |
|
Day-26 |
Different types of characteristics to determine
Performance of DC Motor (Series, Compound Motor) |
To
describe the effect of Armature Reaction, importance of Commutation and
losses in a DC Machine. |
Electrical Machines text book https://drive.google.com/file/d/1hFNZveKLUY9fMvikDQ81GgwzhYQG5vjJ/view?usp=sharing |
Revise previous class – (5 mins) PPT-Presentation (50Min) Doubts
clarification (5 min) |
Learning outcomes – Students should be able to: v mitigate the ill-effects of
armature reaction and improve commutation in dc machines.. |
|
Day-27 |
Losses in a DC Machine |
To
describe the effect of Armature Reaction, importance of Commutation and
losses in a DC Machine. |
Electrical Machines text book https://www.electrical4u.com/losses-in-dc-machine/ |
Revise previous class – (5 mins) PPT-Presentation (50Min) Doubts
clarification (5 min) |
Learning outcomes – Students should be able to: v mitigate the ill-effects of
armature reaction and improve commutation in dc machines.. |
|
Day-28 |
Efficiency of a DC Machine |
To
describe the effect of Armature Reaction, importance of Commutation and
losses in a DC Machine. |
Electrical Machines text book https://www.electrical4u.com/losses-in-dc-machine/ |
Revise previous class – (5 mins) PPT-Presentation (50Min) Doubts
clarification(5 min) |
Learning outcomes – Students should be able to: v mitigate the ill-effects of
armature reaction and improve commutation in dc machines.. |
|
Day-29 |
Applications of DC Motors |
To
describe the effect of Armature Reaction, importance of Commutation and
losses in a DC Machine. |
Electrical Machines text book https://circuitglobe.com/applications-of-dc-machines.html |
Revise previous class – (5 mins) PPT-Presentation (50Min) Doubts
clarification(5 min) |
Learning outcomes – Students should be able to: v mitigate the ill-effects of
armature reaction and improve commutation in dc machines.
|
|
Day-30 |
Problems on Cross and
De-Magnetizing ampere turns |
To
describe the effect of Armature Reaction, importance of Commutation and
losses in a DC Machine. |
Electrical Machines text book https://drive.google.com/file/d/1hFNZveKLUY9fMvikDQ81GgwzhYQG5vjJ/view?usp=sharing |
Revise previous class – (5 mins) PPT-Presentation (50Min) Doubts
clarification(5 min) |
Learning outcomes – Students should be able to: v mitigate the ill-effects of
armature reaction and improve commutation in dc machines. |
|
Day-31 |
Problems on Commutation |
To
describe the effect of Armature Reaction, importance of Commutation and
losses in a DC Machine. |
Electrical Machines text book https://drive.google.com/file/d/1hFNZveKLUY9fMvikDQ81GgwzhYQG5vjJ/view?usp=sharing |
Revise previous class – (5 mins) PPT-Presentation (50Min) Doubts
clarification(5 min) |
Learning outcomes – Students should be able to: v mitigate the ill-effects of
armature reaction and improve commutation in dc machines. |
|
Day-32 |
Problems on Generated EMF, Shunt Motor |
To
describe the effect of Armature Reaction, importance of Commutation and
losses in a DC Machine. |
Electrical Machines text book https://drive.google.com/file/d/1hFNZveKLUY9fMvikDQ81GgwzhYQG5vjJ/view?usp=sharing |
Revise previous class – (5 mins) PPT-Presentation (50Min) Doubts
clarification(5 min) |
Learning outcomes – Students should be able to: v mitigate the ill-effects of
armature reaction and improve commutation in dc machines. v Assignment of Back-EMF |
|
Day-33 |
Problems on Series and Compound Motor |
To
describe the effect of Armature Reaction, importance of Commutation and
losses in a DC Machine. |
Electrical Machines text book https://drive.google.com/file/d/1hFNZveKLUY9fMvikDQ81GgwzhYQG5vjJ/view?usp=sharing |
Revise previous class – (5 mins) PPT-Presentation (50Min) Doubts
clarification(5 min) |
Learning outcomes – Students should be able to: v mitigate the ill-effects of
armature reaction and improve commutation in dc machines. v Assignment of Self-Excited
machines |
|
Day-34 |
Problems on losses
and efficiency |
To
describe the effect of Armature Reaction, importance of Commutation and
losses in a DC Machine. |
Electrical Machines text book https://drive.google.com/file/d/1hFNZveKLUY9fMvikDQ81GgwzhYQG5vjJ/view?usp=sharing |
Revise previous class – (5 mins) PPT-Presentation (50Min) Doubts
clarification(5 min) |
Learning outcomes – Students should be able to: v mitigate the ill-effects of
armature reaction and improve commutation in dc machines. v Assignment on efficiency
calculation |
|
Day-35 |
Problems on losses
and efficiency |
To
describe the effect of Armature Reaction, importance of Commutation and
losses in a DC Machine. |
Electrical Machines text book https://drive.google.com/file/d/1hFNZveKLUY9fMvikDQ81GgwzhYQG5vjJ/view?usp=sharing |
Revise previous class – (5 mins) PPT-Presentation (50Min) Doubts
clarification(5 min) |
Learning outcomes – Students should be able to: v mitigate the ill-effects of
armature reaction and improve commutation in dc machines. |
|
Day-36 |
Problems on different types of Torque |
To
describe the effect of Armature Reaction, importance of Commutation and
losses in a DC Machine. |
Electrical Machines text book https://drive.google.com/file/d/1hFNZveKLUY9fMvikDQ81GgwzhYQG5vjJ/view?usp=sharing |
Revise previous class – (5 mins) PPT-Presentation (50Min) Doubts
clarification(5 min) |
Learning outcomes – Students should be able to: v mitigate the ill-effects of
armature reaction and improve commutation in dc machines. v Assignment on Torque calculation |
Lesson III: Starting, Speed Control
and Testing of DC Machines
Contents/Activities
Schedule
and Sequence: Day Plan for Lesson III – Starting, Speed Control
and Testing of DC Machine
EM-1 Lesson Plan– Total
Classes: 10
|
Session/
week/ Lesson-III Total
Classes- 10 |
Topic |
Objectives |
Before
Class - Videos, e-Books, Case studies |
In-Class
– Activities, Quiz (Micro
teaching) |
Post
Class - Assignment, Discussion Forum |
|
Day-37 |
Introduction to the importance of Starter in Machines |
To
study the methods of speed control and methods of testing methods to
calculate the efficiency |
Electrical Machines text book https://drive.google.com/file/d/1hFNZveKLUY9fMvikDQ81GgwzhYQG5vjJ/view?usp=sharing |
Revise previous class – (5 mins) PPT-Presentation (50Min) Doubts
clarification (5 min) |
Learning outcomes – Students should be able to: v understand
the torque production mechanism and control the speed of dc motors. |
|
Day-38 |
Types of starters used for DC motor starting. |
To
study the methods of speed control and methods of testing methods to
calculate the efficiency |
Electrical Machines text book https://drive.google.com/file/d/1hFNZveKLUY9fMvikDQ81GgwzhYQG5vjJ/view?usp=sharing |
Revise previous class – (5 mins) PPT-Presentation (50Min) Doubts
clarification (5 min) |
Learning outcomes – Students should be able to: v understand
the torque production mechanism and control the speed of dc motors. |
|
Day-39 |
Types of starters used for DC motor starting. |
To
study the methods of speed control and methods of testing methods to
calculate the efficiency |
Electrical Machines text book https://drive.google.com/file/d/1hFNZveKLUY9fMvikDQ81GgwzhYQG5vjJ/view?usp=sharing |
Revise previous class – (5 mins) PPT-Presentation (50Min) Doubts
clarification (5 min) |
Learning outcomes – Students should be able to: v understand
the torque production mechanism and control the speed of dc motors. |
|
Day-40 |
Speed Control of DC Machines (Shunt Motor) |
To
study the methods of speed control and methods of testing methods to
calculate the efficiency |
Electrical Machines text book https://www.electrical4u.com/speed-control-of-dc-motor/ |
Revise previous class – (5 mins) PPT-Presentation (50Min) Doubts
clarification (5 min) |
Learning outcomes – Students should be able to: v understand
the torque production mechanism and control the speed of dc motors. |
|
Day-41 |
Speed Control of DC Machines-(Series Motor) |
To
study the methods of speed control and methods of testing methods to
calculate the efficiency |
Electrical Machines text book https://www.electrical4u.com/speed-control-of-dc-motor/ |
Revise previous class – (5 mins) PPT-Presentation (50Min) Doubts
clarification (5 min) |
Learning outcomes – Students should be able to: v understand
the torque production mechanism and control the speed of dc motors. |
|
Day-42 |
Testing of DC
Machines-Brake test |
To
study the methods of speed control & methods of testing methods to
calculate the efficiency |
Electrical Machines text book https://drive.google.com/file/d/1hFNZveKLUY9fMvikDQ81GgwzhYQG5vjJ/view?usp=sharing |
Revise previous class – (5 mins) PPT-Presentation (50Min) Doubts
clarification (5 min) |
Learning outcomes – Students should be able to: v understand
the torque production mechanism & control the speed of dc motors. |
|
Day-43 |
Testing of DC Machines-Swinburne’s
test |
To
study the methods of speed control and methods of testing methods to
calculate the efficiency |
Electrical Machines text book https://drive.google.com/file/d/1hFNZveKLUY9fMvikDQ81GgwzhYQG5vjJ/view?usp=sharing |
Revise previous class – (5 mins) PPT-Presentation (50Min) Doubts
clarification (5 min) |
Learning outcomes – Students should be able to: v understand
the torque production mechanism and control the speed of dc motors. |
|
Day-44 |
Testing of DC
Machines-hopkinsons test |
To
study the methods of speed control and methods of testing methods to
calculate the efficiency |
Electrical Machines text book |
Revise previous class – (5 mins) PPT-Presentation (50Min) Doubts
clarification (5 min) |
Learning outcomes – Students should be able to: v understand
the torque production mechanism and control the speed of dc motors. |
|
Day-45 |
Testing of DC
Machines-Retardation test |
To
study the methods of speed control and methods of testing methods to calculate
the efficiency |
Electrical Machines text book https://www.electricalengineeringinfo.com/2014/03/Retardation-test-on-dc-machines.html |
Revise previous class – (5 mins) PPT-Presentation (50Min) Doubts
clarification (5 min) |
Learning outcomes – Students should be able to: v understand
the torque production mechanism and control the speed of dc motors. |
|
Day-46 |
Separation of
Losses |
To
study the methods of speed control and methods of testing methods to
calculate the efficiency |
Electrical Machines text book https://www.slideshare.net/sureshshindhe1/separation-of-losses-in-a-dc-shunt-motor |
Revise previous class – (5 mins) PPT-Presentation (50Min) Doubts
clarification (5 min) |
Learning outcomes – Students should be able to: v understand
the torque production mechanism and control the speed of dc motors. |
Lesson IV: Single
Phase Transformers
Contents/Activities
Schedule
and Sequence: Day Plan for Lesson IV– Single Phase
Transformers
EM-1 Lesson Plan– Total
Classes: 13
|
Session/
week/ Lesson-IV Total
Classes- 13 |
Topic |
Objectives |
Before
Class - Videos, e-Books, Case studies |
In-Class
– Activities, Quiz (Micro
teaching) |
Post
Class - Assignment, Discussion Forum |
|
Day-47 |
Introduction
to Transformers, laws, Types of Transformers based on operation |
To
explain the principle and operation of transformer, equivalent circuit models
of transformers |
Electrical Machines Text Book https://drive.google.com/file/d/1hFNZveKLUY9fMvikDQ81GgwzhYQG5vjJ/view?usp=sharing |
Revise previous class – (5 mins) PPT-Presentation (50Min) Doubts clarification (5 min) |
Learning outcomes – Students should be able to: v analyze
the performance, predetermine regulation, losses and efficiency of single
phase transformers. |
|
Day-48 |
Construction
of Transformers in detail, Transformation Ratio |
To
explain the principle and operation of transformer, equivalent circuit models
of transformers |
https://www.youtube.com/watch?v=Cx4_7lIjoBA https://www.electricaleasy.com/2014/03/electrical-transformer-basic.html |
Revise previous class – (5 mins) PPT-Presentation (50Min) Doubts clarification (5 min) |
Learning outcomes – Students should be able to: v analyze
the performance, predetermine regulation, losses and efficiency of single
phase transformers. |
|
Day-49 |
Principle
of Operation of transformer |
To
explain the principle and operation of transformer, equivalent circuit models
of transformers |
https://www.electronics-tutorials.ws/transformer/transformer-basics.html |
Revise previous class – (5 mins) PPT-Presentation (50Min) Doubts clarification (5 min) |
Learning outcomes – Students should be able to: v analyze
the performance, predetermine regulation, losses and efficiency of single
phase transformers. |
|
Day-50 |
EMF
Equation for transformers |
To
explain the principle and operation of transformer, equivalent circuit models
of transformers |
https://circuitglobe.com/emf-equation-of-the-transformer.html |
Revise previous class – (5 mins) PPT-Presentation (50Min) Doubts clarification (5 min) |
Learning outcomes – Students should be able to: v analyze
the performance, predetermine regulation, losses and efficiency of single
phase transformers. |
|
Day-51 |
Phasor
diagram of transformer at different loads |
To
explain the principle and operation of transformer, equivalent circuit models
of transformers |
https://www.youtube.com/results?search_query=phasor+diagram+of+transformer |
Revise previous class – (5 mins) PPT-Presentation (50Min) Doubts clarification (5 min) |
Learning outcomes – Students should be able to: v analyze
the performance, predetermine regulation, losses and efficiency of single
phase transformers. |
|
Day-52 |
Implementation
of Equivalent Circuit for Transformer |
To
explain the principle and operation of transformer, equivalent circuit models
of transformers |
https://www.youtube.com/results?search_query=equivalent+circuit+of+transformer |
Revise previous class – (5 mins) PPT-Presentation (50Min) Doubts clarification (5 min) |
Learning outcomes – Students should be able to: v analyze
the performance, predetermine regulation, losses and efficiency of single
phase transformers. |
|
Day-53 |
Voltage
Regulation of Transformer |
To
explain the principle and operation of transformer, equivalent circuit models
of transformers |
https://www.electrical4u.com/voltage-regulation-of-transformer/ |
Revise previous class – (5 mins) PPT-Presentation (50Min) Doubts clarification (5 min) |
Learning outcomes – Students should be able to: v analyze
the performance, predetermine regulation, losses and efficiency of single
phase transformers. |
|
Day-54 |
Losses
and Efficiency of Transformer |
To
explain the principle and operation of transformer, equivalent circuit models
of transformers |
https://www.electricaleasy.com/2014/04/transformer-losses-and-efficiency.html |
Revise previous class – (5 mins) PPT-Presentation (50Min) Doubts clarification
(5 min) |
Learning outcomes – Students should be able to: v analyze
the performance, predetermine regulation, losses and efficiency of single
phase transformers. |
|
Day-55 |
Effect
of variation of frequency and supply voltage on losses |
To
explain the principle and operation of transformer, equivalent circuit models
of transformers |
Electrical Machines Text Book https://drive.google.com/file/d/1hFNZveKLUY9fMvikDQ81GgwzhYQG5vjJ/view?usp=sharing |
Revise previous class – (5 mins) PPT-Presentation (50Min) Doubts clarification (5 min) |
Learning outcomes – Students should be able to: v analyze
the performance, predetermine regulation, losses and efficiency of single
phase transformers. |
|
Day-56 |
All-day
Efficiency, Problem |
To
explain the principle and operation of transformer, equivalent circuit models
of transformers |
Electrical Machines Text Book https://drive.google.com/file/d/1hFNZveKLUY9fMvikDQ81GgwzhYQG5vjJ/view?usp=sharing |
Revise previous class – (5 mins) PPT-Presentation (50Min) Doubts clarification (5 min) |
Learning outcomes – Students should be able to: v analyze
the performance, predetermine regulation, losses and efficiency of single
phase transformers. |
|
Day-57 |
Problems
on EMF Equation |
To
explain the principle and operation of transformer, equivalent circuit models
of transformers |
Electrical Machines Text Book https://drive.google.com/file/d/1hFNZveKLUY9fMvikDQ81GgwzhYQG5vjJ/view?usp=sharing |
Revise previous class – (5 mins) PPT-Presentation (50Min) Doubts clarification (5 min) |
Learning outcomes – Students should be able to: v analyze
the performance, predetermine regulation, losses and efficiency of single
phase transformers. v Assignment
on EMF calculation |
|
Day-58 |
Problems
on Voltage Regulation |
To
explain the principle and operation of transformer, equivalent circuit models
of transformers |
Electrical Machines Text Book https://drive.google.com/file/d/1hFNZveKLUY9fMvikDQ81GgwzhYQG5vjJ/view?usp=sharing |
Revise previous class – (5 mins) PPT-Presentation(50Min) Doubts clarification (5 min) |
Learning outcomes – Students should be able to: v analyze
the performance, predetermine regulation, losses and efficiency of single
phase transformers. v Assignment
on VR calculation |
|
Day-59 |
Problems
on losses and Efficiency |
To
explain the principle and operation of transformer, equivalent circuit models
of transformers |
Electrical Machines Text Book https://drive.google.com/file/d/1hFNZveKLUY9fMvikDQ81GgwzhYQG5vjJ/view?usp=sharing |
Revise previous class – (5 mins) PPT-Presentation (50Min) Doubts clarification (5 min) |
Learning outcomes – Students should be able to: v analyze
the performance, predetermine regulation, losses and efficiency of single
phase transformers. v Assignment
on Efficiency calculation |
Lesson V: Testing of
Transformers and 3-Phase Transformers
Contents/Activities
Schedule and Sequence: Day
Plan for Lesson V – Testing of
Transformers and 3-Phase Transformers
EM-1 Lesson
Plan– Total Classes: 9
|
Session/
week/ Lesson-V Total
Classes- 9 |
Topic |
Objectives |
Before
Class - Videos, e-Books, Case studies |
In-Class
– Activities, Quiz (Micro
teaching) |
Post
Class - Assignment, Discussion Forum |
|
Day-60 |
Introduction
to testing of single phase Transformers OC, SC Test |
To Analyze the different testing
methods for 1-Ф transformers, Poly-phase Connections to connect three phase transformers |
Revise previous class – (5 mins) PPT-Presentation (50Min) Doubts
clarification (5 min) |
Learning outcomes – Students should be able to: v parallel
transformers, control voltages with tap changing methods and achieve
three-phase to two-phase transformation. |
|
|
Day-61 |
Sumpner’s
test, separation of losses |
To
Analyze the different testing methods for 1-Ф transformers, Poly-phase
Connections to connect three phase
transformers |
https://circuitglobe.com/sumpners-test-or-back-to-back-test-on-transformer.html |
Revise previous class – (5 mins) PPT-Presentation (50Min) Doubts
clarification (5 min) |
Learning outcomes – Students should be able to: v parallel
transformers, control voltages with tap changing methods and achieve
three-phase to two-phase transformation. |
|
Day-62 |
parallel
operation with equal voltage ratios |
To
Analyze the different testing methods for 1-Ф transformers, Poly-phase
Connections to connect three phase
transformers |
https://www.electrical4u.com/parallel-operation-of-transformers/ |
Revise previous class – (5 mins) PPT-Presentation (50Min) Doubts
clarification (5 min) |
Learning outcomes – Students should be able to: v parallel
transformers, control voltages with tap changing methods and achieve
three-phase to two-phase transformation. |
|
Day-63 |
Auto
Transformer and comparison with ordinary transformer |
To
Analyze the different testing methods for 1-Ф transformers, Poly-phase Connections
to connect three phase transformers |
Electrical
Machines Text Book https://drive.google.com/file/d/1hFNZveKLUY9fMvikDQ81GgwzhYQG5vjJ/view?usp=sharing |
Revise previous class – (5 mins) PPT-Presentation (50Min) Doubts
clarification (5 min) |
Learning outcomes – Students should be able to: v parallel
transformers, control voltages with tap changing methods and achieve
three-phase to two-phase transformation. |
|
Day-64 |
Problems
on OC and SC test of transformer |
To
Analyze the different testing methods for 1-Ф transformers, Poly-phase
Connections to connect three phase
transformers |
Electrical
Machines Text Book https://drive.google.com/file/d/1hFNZveKLUY9fMvikDQ81GgwzhYQG5vjJ/view?usp=sharing |
Revise previous class – (5 mins) PPT-Presentation (50Min) ubts
clarification (5 min) |
Learning outcomes – Students should be able to: v parallel
transformers, control voltages with tap changing methods and achieve
three-phase to two-phase transformation. |
|
Day-65 |
Problems
on OC and SC test of transformer |
To
Analyze the different testing methods for 1-Ф transformers, Poly-phase
Connections to connect three phase
transformers |
Electrical
Machines Text Book https://drive.google.com/file/d/1hFNZveKLUY9fMvikDQ81GgwzhYQG5vjJ/view?usp=sharing |
Revise previous class – (5 mins) PPT-Presentation (50Min) Doubts
clarification (5 min) |
Learning outcomes – Students should be able to: v parallel
transformers, control voltages with tap changing methods and achieve
three-phase to two-phase transformation. |
|
Day-66 |
Polyphase
connections - Y/Y, Y/∆, |
To
Analyze the different testing methods for 1-Ф transformers, Poly-phase
Connections to connect three phase
transformers |
Electrical
Machines Text Book https://drive.google.com/file/d/1hFNZveKLUY9fMvikDQ81GgwzhYQG5vjJ/view?usp=sharing |
Revise previous class – (5 mins) PPT-Presentation (50Min) Doubts
clarification (5 min) |
Learning outcomes – Students should be able to: v parallel
transformers, control voltages with tap changing methods and achieve
three-phase to two-phase transformation. |
|
Day-67 |
Polyphase
connections -∆/Y, ∆/∆ and open ∆ |
To
Analyze the different testing methods for 1-Ф transformers, Poly-phase
Connections to connect three phase
transformers |
Electrical
Machines Text Book https://drive.google.com/file/d/1hFNZveKLUY9fMvikDQ81GgwzhYQG5vjJ/view?usp=sharing |
Revise previous class – (5 mins) PPT-Presentation (50Min) Doubts
clarification (5 min) |
Learning outcomes – Students should be able to: v parallel
transformers, control voltages with tap changing methods and achieve
three-phase to two-phase transformation. |
|
Day-68 |
Scott
connection |
To
Analyze the different testing methods for 1-Ф transformers, Poly-phase Connections
to connect three phase transformers |
Electrical
Machines Text Book https://circuitglobe.com/scott-t-transformer-connection.html |
Revise previous class – (5 mins) PPT-Presentation (50Min) Doubts
clarification (5 min) |
Learning outcomes – Students should be able to: v parallel
transformers, control voltages with tap changing methods and achieve
three-phase to two-phase transformation. |
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