vision and mission files/m.tech_eds.pdfslip energy recovery scheme, frequency control and vector...

Gokaraju Rangaraju Institute of Engineering and Technology

(Autonomous) Bachupally, Kukatpally, Hyderabad – 500 090, Telangana, India. (040) 6686 4440

VISION AND MISSION

Vision of the Institute

To be among the best of the institutions for engineers and technologists with attitudes, skills and

knowledge and to become an epicentre of creative solutions.

Mission of the Institute

To achieve and impart quality education with an emphasis on practical skills and social relevance.

Vision of the Department

To impart technical knowledge and skills required to succeed in life, career and help society to achieve

self sufficiency.

Mission of the Department

To become an internationally leading department for higher learning.

To build upon the culture and values of universal science and contemporary education.

To be a center of research and education generating knowledge and technologies which lay groundwork

in shaping the future in the fields of electrical and

electronics engineering.

To develop partnership with industrial, R&D and government agencies and actively participate in

conferences, technical and community activities.



Program Educational Objectives (PEO’s):

PEO1: Post Graduates will have a successful technical and professional careers, including supportive and leadership roles on multidisciplinary teams.

PEO2: Post Graduates will be able to acquire, use and develop skills as required for effective professional practices.

PEO3: Post Graduates will be able to attain holistic education that is an essential prerequisite for being a responsible member of society.

PEO4: Post Graduates will be engaged in life-long learning, to remain abreast in their profession.

Program Outcomes (PO’s):

PO1: Ability to apply knowledge of mathematics, science, and engineering.

PO2: Ability to design and conduct experiments, as well as to analyze and interpret data.

PO3: Ability to design a system, component, or process to meet desired needs within realistic constraints.

PO4: Ability to function on multi-disciplinary teams.

PO5: Ability to identify, formulates, and solves engineering problems.

PO6: Understanding of professional and ethical responsibility.

PO7: Ability to communicate effectively.

PO8: Broad education necessary to understand the impact of engineering solutions in a global, economic, environmental, and societal context.

PO9: Recognition of the need for, and an ability to engage in life-long learning.

PO10: Knowledge of contemporary issues.

PO11: Ability to utilize experimental, statistical and computational methods and tools necessary for engineering practice.

PO12: Post Graduates will demonstrate an ability to design electrical and electronic circuits, power electronics, power systems, electrical machines analyze and interpret data and also an ability to design digital and analog systems and programming them.



PEOs & POs Mapping Programme Educational

Objectives (PEOs) Programme Outcomes (POs)

1 2 3 4 5 6 7 8 9 10 11 12

1 M M - - H - - H H - H H 2 - - M M H H H - - - - H 3 - - - - H H M M M M H H 4 - - - M M H M H H - M H

* H: Strongly Correlating (3); M: Moderately Correlating (2)& L: Weakly Correlating (1)

HOD-EEE



ACADEMIC CALENDER

S.No Event Period Duration

1 Orientation Program 13-08-2018

2 I Spell of Instructions 13-08-2018 to 20-10-2018 10 Weeks

3 I Mid Examinations 22-10-2018-to 27-10-2018 1 Week

4 II

Spell of Instructions

29-10-2018 to 15-12-2018 7 Weeks

5 II Mid Examinations 17-12-2018 to 22-12-2018 1 Week

6 Preparation and Practical

Examinations 24-12-2018 to 29-12-2018 1 Weks

7 End Semester Examinations 31-12-2018 to 15-01-2019 2 Weeks

8 Commencement of II Semester, A. Y. 2018-19

16-01-2019



INDIVIDUAL TIME TABLE

9.00 AM

To

10:30 AM

10:30 AM

To

12.00 AM

12.00 AM

To

1.00 AM

1.00 PM

To

2.00 PM

2.00 PM

To

3.00 PM

3.00 PM

To

4.00 PM

MON

EDS

BREAK

TUE BREAK

WED EDS BREAK

THU BREAK

FRI BREAK

SAT BREAK



Syllabus: Electric Drives System

UNIT-I

Dynamics of Electric Drives: Fundamentals of torque equation. Speed torque convention and multi-

quadrant operation, components of load torque.

UNIT-II

Classification of load torques steady state stability. Load equation, Speed control and drive

classification. Close loop control of drives.

UNIT-III

DC motor Drives-Modelling of DC machines. Steady state characteristics with armature and speed

control. Phase controlled DC motor drives, chopper-controlled DC motor drives.

UNIT-IV

Three Phase Induction and synchronous motor drives: Dynamic modelling of induction machines.

Small signal equations, control characteristics of induction machines. Phase-controlled induction

machines. Stator voltage control. Slip energy recovery scheme, frequency control and vector control of

induction motor drives. Wound field and cylindrical rotor synchronous motor fed from constant frequency

voltage sourse, braking and starting operation fed from constant voltage source, operation permanent

magnet synchronous and reluctance motors

UNIT-V

Self-controlled Synchronous motor drives (PM brushless dc motor): operation of PM BLDC motor in

motoring and braking modes. Traction motor: Starting. Speed-Time characteristics. Braking. Traction

motors used in practice Industrial Drives: Digital Control of Electric Drives. Stepper motor. Servo motor

and their Applications.

Text Books:

1. G.K, Dubey, "Power semiconductor-controlled Drives", Prentice Hall international, New Jersey, 1989.

2. R.Krishanam, “Electric motor drives modeling, analysis and control”, PHI-India-2009.

3. G. K. Dubey,“Fundamentals of electric Drives, Narosa Publishing House”, 2nd edition, 2011.

4. W. Leonhard, “Control of Electrical drives”, Springer, 3rd edition, 2001.

References:

5. P.C. Krause –, “Analysis of Electric Machine”, Wiley-IEEE press 3rdedition.

6. B.K. Bose,“Modern Power Electronics and AC Drives”, Prentice Hall publication, 1st edition, 2001.



CO’S AND PO’S MAPPINGS

Academic Year : 2018-2019

Semester : I

Name of the Program: M.Tech ……..…Power Electronics……… Year…………I…………..

Course/Subject: ……….… Electric Drives System……………. Course Code.. GR18D5069...

Name of the Faculty: ……Syed Sarfaraz Nawaz...........………………….. Dept.: …EEE………

Designation: ASSOCIATE PROFESSOR

GR18D5069

Electric

Drives

System

1. Model and simulate electric drive

systems

H H

H M - H - M H - H H

2. Design modulation strategies of

power electronics converters, for

drives application

- H

H M - H M M H - H H

3. Design appropriate current/voltage

regulators for electric drives.

H H

H M - H - M H - H H

4. Implement various variable speed

drives in Electrical Energy Conversion

System

- H

H M - H - M H H H H

5. Analyze an existing electric drive

system

H M - H - M H - M - - M



COURSE OBJECTIVES


Semester : I



Name of the Faculty: ……Syed Sarfaraz Nawaz...........…………………..Dept.: …EEE………


The objective of this course is to provide the student:

S.No. Course Objectives

1. Understand Basic electrical drives and their analysis.

2. Learn Design of controller for drives. 3. Understand Scalar control of electrical drives. 4. Understand the starting and braking methods of electrical drives. 5. Learn to work in teams while working on engineering problems



COURSE OUTCOMES


Semester : I





The expected outcomes of the Course/Subject are:

S.No Outcomes

1. Model and simulate electric drive systems

2. Design modulation strategies of power electronics converters, for drives application

3. Design appropriate current/voltage regulators for electric drives.

4. Implement various variable speed drives in Electrical Energy Conversion System

5. Analyze an existing electric drive system

Signature of HOD Signature of faculty

Date: Date:

Note: Please refer to Bloom’s Taxonomy, to know the illustrative verbs that can be used to state the outcomes.



GUIDELINES TO STUDY THE COURSE / SUBJECT


Semester : I

Name of the Program: M.Tech ..…Power Electronics……… Year…………I…………..




Guidelines to study the Course/ Subject: Electrical Measurements & Instrumentation

Course Design and Delivery System (CDD):

• The Course syllabus is written into number of learning objectives and outcomes.

• Every student will be given an assessment plan, criteria for assessment, scheme of evaluation and

grading method.

• The Learning Process will be carried out through assessments of Knowledge, Skills and Attitude

by various methods and the students will be given guidance to refer to the text books, reference

books, journals, etc.

The faculty be able to –

• Understand the principles of Learning

• Understand the psychology of students

• Develop instructional objectives for a given topic

• Prepare course, unit and lesson plans

• Understand different methods of teaching and learning

• Use appropriate teaching and learning aids

• Plan and deliver lectures effectively

• Provide feedback to students using various methods of Assessments and tools of Evaluation

• Act as a guide, advisor, counselor, facilitator, motivator and not just as a teacher alone


Date: Date:



COURSE SCHEDULE


Semester : I




Designation: ASSOCIATE PROFESSOR The Schedule for the whole Course / Subject is:

S. No.

Description

Total No.

Of Periods

1.

Dynamics of Electric Drives 7

2.

Classification of load torques steady

state stability

7

3.

DC motor Drives 9

4.

Three Phase Induction and

synchronous motor drives

11

5.

Self-controlled Synchronous motor

drives (PM brushless dc motor)

10

Total No. of Instructional periods available for the course: ..……44……. Hours / Periods



(Autonomous)

Bachupally, Kukatpally, Hyderabad – 500 090, Telangana, India. (040) 6686 4440

SCHEDULE OF INSTRUCTIONS

COURSE PLAN


Semester : I


Course/Subject: ……….… Electric Drives System……………. Course Code .. GR18D5069...



Text Books:

Text Book T1: G.K, Dubey, "Power semiconductor-controlled Drives", Prentice Hall international, New

Jersey, 1989.

Text Book T2: R.Krishanam, “Electric motor drives modeling, analysis and control”, PHI-India-2009.

Text Book T3: G. K. Dubey,“Fundamentals of electric Drives, Narosa Publishing House”, 2nd edition,

2011.

Text Book T4: S. Sivanagaraju, M Balasubba Reddy and A Mallikarjuna Prasad, “Power Semiconductor

Drives”, Phi-India

Text Book T5: B.K. Bose,“Modern Power Electronics and AC Drives”, Prentice Hall publication, 1st edition,

2001

Unit

No.

Lesson

No.

No. of

Periods

Topics / Sub-Topics

Objectives &

Outcomes

Nos.

References

(Text Book,

Journal…)

Page Nos.: ____to

____

1 1 2 Introduction to Dynamics of

Electric Drives

Obj;- 1,3

Out;-1,2

Text Books: T1, T3,

T4

2 2 Fundamentals of torque equation

Obj;- 1,3

Out;-1,2

Text Books: T1, T3,

T4

3 2

Speed torque convention

and numerical problems

Obj;- 1,3

Out;-1,2

Text Books: T1, T3,

T4

4 2

Multi-quadrant operation

Obj;- 1,3

Out;-1,2

Text Books: T1, T3,

T4

5 2

components of load torque

Obj;- 1,3

Out;-1,2

Text Books: T1, T3,

T4

6 2 Obj;- 1,3

Out;-1,2

2. 1 2

Classification of load torques

Obj;- 2,4

Out;- 1,4

Text Books: T1, T3,

T4

2 2 steady state stability Obj;- 2,4

Out;- 1,4

Text Books: T2, T3

3 2 Load equation Obj;- 1,3

Out;-1,3

Text Books: T1, T3,

T4

4 2 Speed control of drives Obj;- 1,3,4

Out;-1,3

Text Books: T1, T3,

T4

5 2 Drive classification Obj;- 1,3,4

Out;-1,3

Text Books: T2, T3

6 2 Close loop control of drives Obj;- 1,3,4

Out;-1,3

Text Books: T2, T3

3. 1 2

DC motor Drives

Obj;- 1,2,3,4

Out;-1,3,5

Text Books: T2, T3

2 2 Modelling of DC machines. Obj;- 1,2,3,4

Out;-1,5

Text Books: T2, T3

3 2 Steady state characteristics

with armature Obj;- 1,2,3,4

Out;-1,5

Text Books: T2, T3

4 2 Speed control of DC motor

drives

Obj;- 1,2,3,4

Out;-1,6

Text Books: T2, T3

5 2 Phase controlled DC motor

drives

Obj;- 1,2,3,4

Out;-1,6

Text Books: T2, T3

6 2 Chopper-controlled DC motor

drives. Obj;- 1,2,3,4

Out;-1,5

Text Books: T2, T3

7 2 Numerical Problems Obj;- 1,2,3,4

Out;-1,5

Text Books: T2, T3

4

1 2 Three Phase Induction and synchronous motor drives:

Obj;- 1,2,3,4

Out;-1,2

Text Books: T2, T4,

T5

2 2 Dynamic modelling of induction machines.

Obj;- 1,2,3,4

Out;- 1,2,

Text Books: T2, T4,

T5

3 2 Small signal equations, control characteristics of induction machines.

Obj;- 1,2,3,4

Out;-1,2

Text Books: T2, T4,

T5

4 2 Phase-controlled induction machines.

Obj;- 1,2,3,4

Out;-1,2

Text Books: T2, T4,

T5

5 2 Stator voltage control. Obj;- 1,2,3,4

Out;-1,2

Text Books: T2, T4,

T5

6 2 Slip energy recovery scheme, Obj;- 1,2,3,4

Out;-1,2

Text Books: T2, T4,

T5

7 2 frequency control and vector control of induction motor drives.

Obj;- 1,2,3,4

Out;-1,2

Text Books: T2, T4,

T5

8 2 Wound field and cylindrical rotor synchronous motor fed from constant frequency voltage sourse

Obj;- 1,2,3,4

Out;-1,2

Text Books: T2, T4,

T5

9 2 braking and starting operation fed from constant voltage sourse

Obj;- 1,2,3,4

Out;-1,2

Text Books: T2, T4,

T5

10 2 operation of permanent magnet synchronous motors

Obj;- 1,2,3,4

Out;-1,2

Text Books: T2, T4,

T5

11 2 operation of reluctance motors

Obj;- 1,2,3,4

Out;-1,2

Text Books: T2, T4,

T5

5

1 2 self-controlled Synchronous motor drives (PM brushless dc motor):

Obj;- 1,2,3,4

Out;- 1,5

Text Books: T2, T3,

T5

2 2 operation of PM BLDC motor in motoring and braking modes.

Obj;- 1,2,3,4

Out;- 1,5

Text Books: T2, T3,

T5

3 2 Traction motor: Starting. Speed-Time characteristics. Braking.

Obj;- 1,2,3,4

Out;- 1,5

Text Books: T2, T3,

T5

4 2 Traction motors used in practice Industrial Drives:. Obj;- 1,2,3,4

Out;- 1,5

Text Books: T2, T3,

T5

5 2 Digital Control of Electric

Drives. Obj;- 1,2,3,4

Out;- 1,5

Text Books: T2, T3,

T5

6 2 Stepper motor. Servo motor

and their Applications Obj;- 1,2,3,4

Out;- 1,5

Text Books: T2, T3,

T5





UNIT PLAN


Semester : I





Lesson

No.

No. of

Periods

Topics / Sub - Topics

Objectives

Outcomes

References

(Text Book, Journal…)

Page Nos.: ____to ____

1 2 Introduction to Dynamics of Electric Drives

Obj;- 1,3

Out;-1,2 Text Books: T1, T3, T4

2 2 Fundamentals of torque equation

Obj;- 1,3


3 2 Speed torque convention and

numerical problems

Obj;- 1,3


4 2 Multi-quadrant operation Obj;- 1,3


5 2 Components of load torque Obj;- 1,3


6 2 Numerical Problems Obj;- 1,3



Date: Date:

Note: 1. ENSURE THAT ALL TOPICS SPECIFIED IN THE COURSE ARE MENTIONED.

2. ADDITIONAL TOPICS COVERED, IF ANY, MAY ALSO BE SPECIFIED IN BOLD

3. MENTION THE CORRESPONDING COURSE OBJECTIVE AND OUT COME NUMBERS AGAINST EACH TOPIC.




UNIT PLAN


Semester : I





Lesson

No.

No. of

Periods


Objectives

Outcomes

References



1 2 Classification of load torques Obj;- 2,4


2 2 Steady state stability Obj;- 2 ,4 Out;-1,4 Text Books: T2, T3

3 2 Load equation Obj;- 1,3


4 2 Speed control of drives Obj;- 1,3,4


5 2 Drive classification Obj;- 1,3,4

Out;-1,3 Text Books: T2, T3

6 2 Close loop control of drives Obj;- 1,3,4

Out;-1,3 Text Books: T2, T3


Date: Date:







UNIT PLAN Academic Year : 2018-2019

Semester : I





Lesson

No.

No. of

Periods


Objectives

Outcomes

References



1 2 DC motor Drives Obj;-

1,2,3,4

Out;-1,3,5

Text Books: T2, T3

2 2 Modelling of DC machines. Obj;-

1,2,3,4

Out;-1,5

Text Books: T2, T3

3 2 Steady state characteristics with

armature

Obj;-

1,2,3,4

Out;-1,5

Text Books: T2, T3

4 2 Speed control of DC motor

drives

Obj;-

1,2,3,4

Out;-1,2

Text Books: T2, T3

5 2 Phase controlled DC motor

drives

Obj;-

1,2,3,4

Out;-1,2

Text Books: T2, T3

6 2 Chopper-controlled DC motor

drives.

Obj;-

1,2,3,4

Out;-1,5

Text Books: T2, T3

7 2 Numerical Problems Obj;-

1,2,3,4

Out;-1,5

Text Books: T2, T3


Date: Date:







UNIT PLAN


Semester : I





Lesson

No.

No. of

Periods


Objectives

Outcom

es

References



1 2 Three Phase Induction and

synchronous motor drives:

Obj;- 1,2,3,4

Out;-

1,2

Text Books: T2, T4, T5

2 2 Dynamic modelling of induction

machines.

Obj;- 1,2,3,4

Out;-

1,2


3 2 Small signal equations, control

characteristics of induction

machines.

Obj;- 1,2,3,4

Out;-

1,2


4 2 Phase-controlled induction

machines.

Obj;- 1,2,3,4

Out;-

1,2


5 2 Stator voltage control. Obj;- 1,2,3,4

Out;-

1,2 Text Books: T2, T4, T5

6 2 Slip energy recovery scheme, Obj;- 1,2,3,4

Out;-1,3


7 2 frequency control and vector

control of induction motor

drives.

Obj;- 1,2,3,4

Out;-1,3


8 2 Wound field and cylindrical

rotor synchronous motor fed

from constant frequency voltage

sourse

Obj;- 1,2,3,4

Out;-1,3


9 2 braking and starting operation

fed from constant voltage sourse

Obj;- 1,2,3,4

Out;-1,3


10 2 operation of permanent magnet

synchronous motors

Obj;- 1,2,3,4


11 2 operation of reluctance motors Obj;- 1,2,3,4

Out;-1,3



Date: Date:







UNIT PLAN Academic Year : 2018-2019

Semester : I





Lesson

No.

No. of

Periods


Objectives

Outcomes

References



1 2 Self-controlled Synchronous

motor drives (PM brushless dc

motor):

Obj;-

1,2,3,4

Out;-1,5


2 2 operation of PM BLDC motor in

motoring and braking modes.

Obj;-

1,2,3,4


3 2 Traction motor: Starting. Speed-

Time characteristics. Braking.

Obj;-

1,2,3,4


4 2 Traction motors used in practice

Industrial Drives

Obj;-

1,2,3,4


5 2 Digital Control of Electric

Drives.

Obj;-

1,2,3,4


6 2 Stepper motor. Servo motor and

their Applications

Obj;-

1,2,3,4



Date: Date:






LESSON PLAN


Semester : I





Lesson No: …………………….1&2…………….Duration of Lesson: ……... 90min……………….

Lesson Title: Introduction to Dynamics of Electric Drives

INSTRUCTIONAL/LESSON OBJECTIVES:

On completion of this lesson the student shall be able to:

1. Understand the Dynamics of Electric Drives

2. Draw the Block diagram of Electric Drive Systems

3. Derive the torque equation of DC drive

TEACHING AIDS : OHP PROJECTOR, WHITEBOARD, MARKER, DUSTER.

TEACHING POINTS :

• 5 min.: Taking attendance

• 15 min.: Importance of the Subject

• 60 min.: Introduction to Dynamics of Electric Drives, Block diagram, Fundamentals of torque

equation

• 10 min.: Doubts clarification and Review of the class.

Assignment / Questions: What are the various components of Electric drives? Describe some advantages

of electrical drives systems. (Obj;- 1,2, Out;-1,3)

Signature of faculty



LESSON PLAN


Semester : I





Lesson No: ……………….3&4………… Duration of Lesson: …………… 90min ……………….

Lesson Title: Multi-quadrant operation of DC Drives



1. Explain the Speed torque characteristic of DC motor drives

2. Analyze the various mode of operation of DC motor drives.

TEACHING AIDS : OHP PROJECTOR, WHITEBOARD, MARKER, DUSTER

TEACHING POINTS :


• 15 min..: Re collecting the contents of previous class.

• 60 min.: Speed torque convention, Multi-quadrant operation


Assignment / Questions: Explain the principle multi quadrant operation of DC drives. Give suitable examples

(Obj;- 1,2Out;-1,3)




LESSON PLAN


Semester : I





Lesson No: …………5&6…………….Duration of Lesson: ……………. 90min ……………….

Lesson Title: Components of load torque



Derive the expression of load torque and its components


TEACHING POINTS :



• 60 min.: Components of load torque, Numerical problems


Assignment / Questions: Distinguish Electromagnetic torque and load torque. Explain the various

components of load torque. (Obj;- 1,2, Out;-1,3)




LESSON PLAN


Semester : I



Name of the Faculty: ……Syed Sarfaraz Nawaz...........………………….. Dept.: …EEE………


Lesson No: ………………….7&8…………….Duration of Lesson: ……………. 90min ……………….

Lesson Title: Steady state stability, Classification of load torques



1. Classify of load torques

2. Analyse steady state stability


TEACHING POINTS :


• 15 min.: Re collecting the contents of previous class.

• 60 min.: Steady state stability, Classification of load torques


Assignment / Questions: What is steady state stability? What are the various load torques? (Obj;- 1,2, Out;-

1,3)



(Autonomous)


LESSON PLAN


Semester : I





Lesson No: ……………….9 &10……………. Duration of Lesson: ……….. 90min ……………….

Lesson Title: Load equation, Speed control of drives



1. Describe the Load equation

2. Explain the Speed control of drives


TEACHING POINTS :



• 60 min.: Speed control of drives, Load equation


Assignment / Questions: What is the expression for speed of DC motor drive? Describe the importance of

speed control of a dc series motor. Illustrate your answer with appropriate waveforms. (Obj;- 1,2Out;-1,3)



(Autonomous)


LESSON PLAN


Semester : I





Lesson No: ……………11 &12…………….Duration of Lesson: …………… 90min ……………….

Lesson Title: Drive classification & Close loop control of drives



1. Classify Drive systems

2. Analyse Close loop control of dc drives


TEACHING POINTS :



• 60 min.: Drive classification & Close loop control of drives


Assignment / Questions:Explain the principle of closed loop control of a DC drive using suitable block

diagram (Obj;- 1,2Out;-1,3)



(Autonomous)


LESSON PLAN


Semester : I





Lesson No: …………….13&14…………….Duration of Lesson: …………… 90min ……………….

Lesson Title: DC motor Drives and Modelling of DC machines



Model DC motor drive


TEACHING POINTS :



• 60 min.: DC motor Drives and Modelling of DC machines


Assignment / Questions: Derive the transfer function of DC motor drive. (Obj;- 2,4Out;-1,4)



(Autonomous)


LESSON PLAN


Semester : I





Lesson No: ………….15 &16 …………….Duration of Lesson: …………… 90min ……………….

Lesson Title: Steady state characteristics with armature & Speed control of DC motor drives



1. Understand Steady state characteristics with armature

2. Explain Speed control of DC motor drives


TEACHING POINTS :



• 60 min.: Speed control of DC motor drives


Assignment / Questions: Compare and contrast speed torque characteristics of DC motor drive under

steady state. (Obj;- 2,4Out;-1,4)



(Autonomous)


LESSON PLAN


Semester : I





Lesson No: …………….17…………….Duration of Lesson: …………… 90min ………………

Lesson Title: Phase controlled DC motor drives



Design Phase controlled converter for DC motor drives


TEACHING POINTS :



• 60 min.: Phase controlled DC motor drives


Assignment / Questions: What is the principle of phase control? Explain how the speed of a DC series

motor is controlled using thyristors. (Obj;- 1,3Out;-1,3)



(Autonomous)


LESSON PLAN


Semester : I





Lesson No: ……………….18………….Duration of Lesson: ………… 90min ……………….

Lesson Title: Chopper-controlled DC motor drives.

.



Explain the Chopper-controlled DC motor drives.

TEACHING AIDS :OHP PROJECTOR, WHITEBOARD, MARKER, DUSTER

TEACHING POINTS :



• 60 min.: Chopper-controlled DC motor drives.


Assignment / Questions: Explain the principle of speed control of a DC motor and show how it can be

achieved by a chopper. (Obj;- 1,3,4 Out;-1,3)



(Autonomous)


LESSON PLAN


Semester : I





Lesson No: ……………19 & 20 ……….Duration of Lesson: …………… 60 min……………….

Lesson Title: Three Phase Induction and synchronous motor drives

.



Understand the principle of Three Phase Induction and synchronous motor drives


TEACHING POINTS :



• 60 min.: Three Phase Induction and synchronous motor drives


Assignment / Questions: Discuss various methods of speed control of Induction and synchronous motor

drives (Obj;- 1,3,4Out;-1,3)



(Autonomous)


LESSON PLAN


Semester : I





Lesson No: ………………21……….. ……….Duration of Lesson: …………… 90min……………….

Lesson Title: Dynamic modelling of induction machines.

.



Understand the Dynamic modelling of induction machines.


TEACHING POINTS :



• 60 min.: Dynamic modelling of induction machines.


Assignment / Questions: Deduce the transfer function of induction motor drive (Obj;- 1,3,4Out;-1,3)



(Autonomous)


LESSON PLAN


Semester : I





Lesson No: ……………….22&23…………….Duration of Lesson: …………… 90min ……………….

Lesson Title: Small signal equations, control characteristics of induction machines.

.



1. Understand Small signal equations of Induction motor drive 2. Explain control characteristics of induction machines.

TEACHING AIDS : LCD PROJECTOR, WHITEBOARD, MARKER, DUSTER

TEACHING POINTS :



• 60 min.: Small signal equations, control characteristics of induction machines.


Assignment / Questions: Derive the small signal model of IM drive. Classify speed control methods of IM

drives (Obj;- 1,2,3,4Out;-1,3,5)



(Autonomous)


LESSON PLAN


Semester : I





Lesson No: …………….24 & 25…………….Duration of Lesson: …………… 90min ……………….

Lesson Title: Phase-controlled induction machines



Explain the principle of Phase-controlled induction machines.


TEACHING POINTS :



• 60 min.: Phase-controlled induction machines


Assignment / Questions: Why is stator voltage control an inefficient method of motor speed control?

(Obj;- 1,2,3,4Out;-1,5)



(Autonomous)


LESSON PLAN


Semester : I





Lesson No: ………………26 & 27…………….Duration of Lesson: …………… 90min ……………….

Lesson Title: Stator voltage control & Slip energy recovery scheme

.



1. Explain Stator voltage control of IM drive 2. Design Slip energy recovery scheme of IM drive


TEACHING POINTS :



• 60 min.: Stator voltage control & Slip energy recovery scheme


Assignment / Questions: Why does the static Kramer drive have a low range of speed control? In which

way is static Kramer control different from static Scherbius drive? (Obj;-

1,2,3,4Out;-1,5)



(Autonomous)


LESSON PLAN


Semester : I





Lesson No: ………28 …………….Duration of Lesson: …………… 90min ……………….

Lesson Title: Frequency control and vector control of induction motor drives.

.



1. Analyse Frequency control of IM drive 2. Understand vector control of induction motor drives.


TEACHING POINTS :



• 60 min.: Frequency control and vector control of induction motor drives.

• 10min.: Doubts clarification and Review of the class.

Assignment / Questions: Describe the performance of cycloconverter drive versus VSI drive for IM drive

in detail and state their advantages and disadvantages (Obj;- 1,2,3,4Out;-1,5)



(Autonomous)


LESSON PLAN


Semester : I





Lesson No: ……….29……………Duration of Lesson: …………… 90min ……………….

Lesson Title: Wound field and cylindrical rotor synchronous motor fed from constant frequency voltage sourse

.



Understand Wound field and cylindrical rotor synchronous motor fed from constant frequency voltage source


TEACHING POINTS :



• 60 min.: Wound field and cylindrical rotor synchronous motor fed from constant frequency voltage sourse


Assignment / Questions: Draw the block diagram of a closed loop synchronous motor drive fed from VSI

and explain its functioning. (Obj;- 1,2,3,4Out;-1,5)



(Autonomous)


LESSON PLAN


Semester : I





Lesson No: …………….30……………Duration of Lesson: …………… 90min ……………….

Lesson Title: Braking and starting operation fed from constant voltage source



Understand Braking and starting operation fed from constant voltage source


TEACHING POINTS :



• 60 min.: Braking and starting operation fed from constant voltage source


Assignment / Questions: . When operating in regenerative braking, the IM slip should not be allowed to

exceed the breakdown slip. Why?(Obj;- 1,2,3,4Out;-1,5)



(Autonomous)


LESSON PLAN


Semester : I





Lesson No: ……………….31………….Duration of Lesson: …………… 90min ……………….

Lesson Title: Operation of permanent magnet synchronous motors



Explain operation of permanent magnet synchronous motors


TEACHING POINTS :



• 60 min.: operation of permanent magnet synchronous motors


Assignment / Questions: . With suitable diagram, explain the working of Synchronous motor. (Obj;-

1,2,3,4Out;-1,5)



(Autonomous)


LESSON PLAN


Semester : I





Lesson No: …………….32…………….Duration of Lesson: ………… 90min ……………….

Lesson Title: Operation of reluctance motors



Explain Operation of reluctance motors


TEACHING POINTS :



• 60 min.: Operation of reluctance motors


Assignment / Questions: Describe the operation of a variable reluctance motor. What is microstepping?.

(Obj;- 1,2,3,4Out;-1,2,7)



(Autonomous)


LESSON PLAN


Semester : I





Lesson No: …………33…………….Duration of Lesson: …………… 90min ……………….

Lesson Title: self-controlled Synchronous motor drives (PM brushless dc motor)



Understand the principle of self-controlled Synchronous motor drives (PM brushless dc motor)


TEACHING POINTS :



• 60 min.: self-controlled Synchronous motor drives (PM brushless dc motor)


Assignment / Questions: What are the similarities between a BLDC motor and a self controlled

synchronous motor drive? Explain the advantages of BLDC drive over the other

drive. (Obj;- 1,2,3,4Out;-1,2,5)



(Autonomous)


LESSON PLAN


Semester : I





Lesson No: ………….34…………….Duration of Lesson: ………… 90min ……………….

Lesson Title: Operation of PM BLDC motor in motoring and braking modes



Understand Operation of PM BLDC motor in motoring and braking modes


TEACHING POINTS :



• 60 min.: Operation of PM BLDC motor in motoring and braking modes


Assignment / Questions: Explain the Operation of PM BLDC motor in motoring and braking modes (Obj;-

1,2,3,4Out;-1,2,5)



(Autonomous)


LESSON PLAN


Semester : I





Lesson No: …………….35…………….Duration of Lesson: …………… 90min ……………….

Lesson Title: Traction motor: Starting. Speed-Time characteristics. Braking



Explain the Starting. Speed-Time characteristics. Braking of traction motor


TEACHING POINTS :



• 60 min.: Traction motor: Starting. Speed-Time characteristics. Braking


Assignment / Questions: Describe the duty cycles of main line and suburban trains. (Obj;- 1,2,3,4Out;-

1,2,5)



(Autonomous)


LESSON PLAN


Semester : I





Lesson No: ……………….36…………….Duration of Lesson: …………… 135min………………

Lesson Title: Traction motors used in practice Industrial Drives



Explain the use of Traction motors in practice Industries


TEACHING POINTS :



• 60 min.: Traction motors used in practice Industrial Drives


Assignment / Questions: Recent trend is to use separately excited motors instead of series motors in

traction drives. Why? (Obj;- 1,2,3,4Out;-1,2,5)



(Autonomous)


LESSON PLAN


Semester : I





Lesson No: …………………37…………….Duration of Lesson: …………… 90min ………….

Lesson Title: Digital Control of Electric Drives



Understand the Digital Control of Electric Drives


TEACHING POINTS :



• 60 min.: Digital Control of Electric Drives


Assignment / Questions: Explain the principle of working of Digital Control of Electric Drives (Obj;-

1,2,3,4Out;-1,2,5)



(Autonomous)


LESSON PLAN


Semester : I





Lesson No: ……………38…………….Duration of Lesson: …………… 90min ……………….

Lesson Title: Stepper motor and its applications



Understand Stepper motor and its applications


TEACHING POINTS :



• 90 min.: Stepper motor and its applications


Assignment / Questions: Explain the principle of Stepper motor? (Obj;- 1,2,3,4Out;-1,5)



(Autonomous)


LESSON PLAN


Semester : I





Lesson No: …………….39 …………….Duration of Lesson: ………… 90min ……………….

Lesson Title: Servo motor and its Applications



Understand Servo motor and its Applications


TEACHING POINTS :


• 15 min.: Re collecting the contents of previous class. • 90 min.: Servo motor and its Applications


Assignment / Questions: Explain the principle of Servo motor? (Obj;- 1,2,3,4Out;-1,5)




ASSIGNMENT SHEET – 1


Semester : I





This Assignment corresponds to Unit No. / Lesson ………………1………………………….

Q.1. What do you mean by Electrical drives? Explain briefly the functions of various

components in block diagrams of electrical drives?

Q. 2. Explain the principle of multi-quadrant operation of DC motor drives.

How will you achieve all the four-quadrant operation using dual converter?

Q.3. A separately excited dc motor of 220 V, 1200 rpm, 8 A has armature resistance

0.75 . It is fed from a 1 fully controlled bridge rectifier whose source voltage is

230 V, 50 Hz. Assume load current to be continuous. Determine the following:

(a) Motor speed at 045 = and torque of 8 N-m

(b) Developed torque at 045 = and speed of 800 rpm.

Objective Nos.: …………………… 1,2………………………………………………………….

Outcome Nos.: ……………………1,3…………………………………………………………….


Date: Date:





Semester : I






Q.1. Drive the expression for developed torque of an electrical drive system. What are

the components of load torque?

Q.2. Derive the speed-torque equation of 1 fully controlled converter connected to

dc Series motor drive. Draw

(i) Speed-torque graphs (ii) output voltage and output current wave forms

Assume continuous current conduction.

Q.3. A 3 , 3 pulse thyristor converter controlling a 100 HP, 440 V, 1000 rpm dc shunt

motor is operating at 500 rpm, developing 85% of the rated torque. Calculate the

triggering angle of the converter if the back emf at rated speed is 430 V. Assume

the AC input voltage to be 415 V.

Q.4. A 220 V, 1500 rpm, 50 A separately excited dc motor with armature resistance of

0.5 ohm is fed from a circulating current dual converter with three phase ac

source voltage of 165 V (line). Determine converter firing angles for the following

operating points

(a) Motoring operation at rated motor torque and 1000 rpm

(b) Braking operation at rated motor torque and -1000 rpm

Objective Nos.: …………………………1,2,3,4……………………………………………………….

Outcome Nos.: ……………………1,3,5,6………………………………………………………….


Date: Date:





Semester : I






Q.1. Derive an expression for the average output voltage of a 3 Semi controlled

converter connected to separately dc motor with necessary waveforms. Assume

continuous current operation. What is the effect of freewheeling diode?

Q.2. Describe different methods of braking and explain the regenerative braking operation of a

chopper fed with series excited dc motor with the help of its performance curves.

Q.3. A 230V, 15A, 1200 rpm separately excited dc motor has an armature

resistance of 1.2Ω and is controlled by a chopper. Braking resistance has

a value of 20 ohm.

(i)Calculate duty ratio of chopper for motor speed of 1000 rpm and braking torque to 1.5

times rated motor torque.

(ii)What will be the motor speed for duty ratio of 0.5 and motor torque equal to its rated

torque?

Objective Nos.: 1,2,3,4……………………………………………………….

Outcome Nos.: ……………………1,3,5,6………………………………………………………….


Date: Date:





Semester : I






Q.1. Draw a suitable diagram and explain the working of slip power recovery system using

commutator less Kramer drive.

Q.2. Draw the circuit diagram of Static Scherbius drive and explain the various mode of speed

control operations

Q.3. Discuss the role of cycloconverters in the speed control of induction motors. List out

all the merits and demerits.

Q.4. Explain the operation of a cycloconverter fed self controlled synchronous motor drive

with neat diagram.

Objective Nos.: ……………………1,2,3,4………………………………………………………….

Outcome Nos.: ………………………1,2,7………………………………………………………….


Date: Date:





Semester : I






Q.1. Explain the motoring and braking operation of PM brushless dc motor.

Q.2. Draw the speed time characteristics for different services of traction motors.

Q.3. A train has a scheduled speed of 40 kmph between two stops which are 4 km apart.

Determine the crest speed over the run if the duration of the stop is 60 seconds and

acceleration and retardation are both equal to 2 kmphps. Assume trapezoidal speed time

curve.

Q.4. Explain the construction and principle of stepper motor. Also write the various

applications.

Objective Nos.: ……………………………………1,2,3,4………………………………………….

Outcome Nos.: …………………………………………1,7……………………………………….


Date: Date:



EVALUATION STRATEGY


Semester : I





1. TARGET:

A) Percentage for pass: 100%

b) Percentage of class: 85%

2. COURSE PLAN & CONTENT DELIVERY:

• OHP presentation of the Lectures

• Solving exercise problems

• Model questions

3. METHOD OF EVALUATION

3.1 Continuous Assessment Examinations (CAE-I, CAE-II)

3.2 Assignments

3.3 Seminars

3.4 Quiz

3.5 Semester/End Examination


Date: Date:



FEED BACK



M..Tech EEE POWER ELECTRONICS I SEM RESULT ANALYSIS OF 2018-2020 BATCH

ACADEMIC YEAR 2018-2019 TOTAL. NO. OF STUDENTS REGISTERED = 19

Subject

Total

No. of

students

appeare

d

No. of

student

s

passed

No. of

student

s failed

GRAD

E =10

GRADE

=9

GRA

DE=8

GRA

DE=7

GR

AD

E=

6

GRA

DE=5 Pass

percen

tage

(%)

EDS 19 19 00 00 01 08 09 01 00 100

Overall pass (passed in all subjects) =19/19 (100%)



CO Attainment for all Mid Exams

I mid COS

Electric Drive Systems Date of Exam:22/10/20178 M Tech (PE)- CO Attainment-Sem-I Mid-I 2018-19

ROLL NO Q1:CO2 Q2:CO1 Q3:CO1 Q4:CO3 Q5:CO2 Q6:CO3

18241D4301 3 3 4 2 5

18241D4302 5 5 5 5

18241D4303 5 5 3 5

18241D4304 4 5 5 4

18241D4305 5 5 5 5

18241D4306 5 5 5 5

18241D4307 4 3 4 3 0

18241D4308 3 5 5 5

18241D4309 5 5 5 5

18241D4310 3 5 5 4

18241D4311 5 5 5 5

18241D4312 5 4 4 4

18241D4313 5 5 5 3 4 0

18241D4314 4 5 5 4

18241D4315

18241D4316 5 5 5 2

18241D4317 4 5 5 5

18241D4318 5 1 5 3 0

18241D4319 5 4 5 5

Grand Total 75 61 83 12 51 46

NSA 17.0 14.0 17.0 4.0 12.0 13.0

Attempt %=(NSA/Total no of students)*100 89.5 73.7 89.5 21.1 63.2 68.4

Average (attainment)= Total/NSA 4.4 4.4 4.9 3.0 4.3 3.5

Attainment%= (Avg/max. Marks for question)*100 88.24 87.14 97.65 60.00 85.00 70.77

%

CO1 92.39

CO2 86.62

CO3 65.38

II MID

Electric Drive Systems Date of Exam:17/12/2018 M Tech (PE)- CO Attainment-Sem-I Mid-II 2018-19

ROLL NO Q1:CO4 Q2:CO4 Q3:CO4 Q4:CO5 Q5:CO5 Q6:CO5

18241D4301 3 4 5 5

18241D4302 5 4 2 4

18241D4303 5 5 5 5

18241D4304 5 5 5 5

18241D4305 5 2 5 5

18241D4306 5 5 5 4

18241D4307 5 4 4 4

18241D4308 4 5 5 4

18241D4309 3 5 5 5

18241D4310 4 4 5 3

18241D4311 4 5 4 4

18241D4312 3 5 4 3

18241D4313 3 4 5 3

18241D4314 3 3 5 3

18241D4315 3 3 4 5 2

18241D4316 4 5 3 3

18241D4317 3 3 5 5

18241D4318 3 3 3 4

18241D4319 3 4 5 4

Grand Total 53 58 31 85 48 40

NSA 14.0 15.0 7.0 18.0 12.0 11.0

Attempt %=(NSA/Total no of students)*100 73.7 78.9 36.8 94.7 63.2 57.9

Average (attainment)= Total/NSA 3.8 3.9 4.4 4.7 4.0 3.6

Attainment%= (Avg/max. Marks for question)*100 75.71 77.33 88.57 94.44 80.00 72.73

%

CO4 80.54

CO5 82.39

External Exam

Electric Drive Systems Date of Exam M Tech (PE)- CO Attainment-External Exam 2018-19

ROLL NO

Q2:CO1

Q3:CO1

Q4a:CO

2

Q4b:CO2

Q5a:CO

2

Q5b:CO2

Q6a:CO

3

Q6b:CO3

Q7a:CO

3

Q7b:CO3

Q8a:CO

4

Q8b:CO4

Q9:CO4

Q10a:CO5

Q10b:CO5

Q11a:CO5

Q11b:CO5

6 3 2 1 3 1 3 3 2

6 3 2 2 3 3 4 5 2

8 0 0 2 2 0 1 2 2

7 2 3 2 3 2 2 2 3

7 4 4 3 3 2 2 3 4

4 4 4 3 3 4 3 3

2 3 3 3 3 4 5 2

7 1 3 4 1 2 4 4

7 3 2 4 4 2 4 4 4

6 3 5 3 5 4 2 3 4 5 2

7 2 2 2 3 2 3 3 3

7 3 3 3 3 3 3 3

6 1 1 2 1 3 3 0

7 4 2 3 3 3 3 5 2

6 3 2 3 3 4 3 5 4

7 2 3 3 1 2 4 4

4 1 3 1 3 1 2 4 4

8 0 2 4 4 1 2 4 4

9 3 5 3 5 5 4

Grand Total

112

14 38 36 9 15 21 26 33 25 29 48 3 44 40 28 12

NSA 17.0

3.0 15.0

14.0

5.0 5.0 9.0 9.0 10.0

9.0 14.0

17.0

1.0 13.0

12.0

6.0 6.0

Attempt

%=(NSA/Total no

of students)*1

00

89.5

15.8

78.9

73.7

26.3

26.3

47.4

47.4

52.6

47.4

73.7

89.5

5.3 68.4

63.2

31.6

31.6

Average

(attainment)

= Total/NSA

6.6 4.7 2.5 2.6 1.8 3.0 2.3 2.9 3.3 2.8 2.1 2.8 3.0 3.4 3.3 4.7 2.0

Attainment%=

(Avg/

####

####

####

####

####

####

####

####

####

####

####

####

####

####

####

####

####

max. Marks

for question)*10

0

Q2:CO1

Q3:CO1

Q4a:CO

2

Q4b:CO2

Q5a:CO

2

Q5b:CO2

Q6a:CO

3

Q6b:CO3

Q7a:CO

3

Q7b:CO3

Q8a:CO

4

Q8b:CO4

Q9:CO4

Q10a:CO5

Q10b:CO5

Q11a:CO5

Q11b:CO5

%

CO1

56.3

CO2

49.5

CO3

56.5

CO4

42.6

CO5

66.9

vision and mission files/m.tech_eds.pdfslip energy recovery scheme, frequency control and vector...

Documents