39 sgp 2013-14 course file
TRANSCRIPT
Rajasthan Technical University, Kota
COURSE – FILE
SWITCH GEAR & PROTECTION
Name : Dr. Dinesh Birla Branch : Electrical Engineering Session : 2013-14, Even Semester Semester : B. Tech 8th Semester
Rajasthan Technical University, Kota
Index: Course–File
Subject: Switch Gear & Protection Session: 2013-14, Even Semester
Year : IV
Sem : VIII
Sr. No.
Content/ Item no. Page No.
1 Students Detail
2 Course Schedule Course-File General Format Time-Table Syllabus Course Plan
3 More on Course Schedule Method of Evaluation Guidelines to Study the Subject Program Outcomes Course Outcomes Objectives – Outcome Relationship Matrix
4 Assignment-1 5 Assignment-2
6 Assignment-3 7 Assignment-4
8 Assignment-5
10 Tutorial-1
11 Tutorial-2
12 Tutorial-3
13 Tutorial-4
14 Tutorial-5
15 Lecture Plan
17 Mid–Term Question Paper (I & II)
18 Performance of Students in Mid Terms
Rajasthan Technical University, Kota
Student Details
Subject: Switch Gear & Protection
Session: 2013-14, Even Semester
Year : IV
Sem : VIII
S. No. Roll No. Student Name
1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. 25. 26. 27. 28.
29. 30. 31. 32. 33. 34. 35. 36. 37. 38. 39. 40. 41. 42. 43. 44. 45. 46. 47. 48. 49. 50. 51. 52. 53. 54. 55. 56. 57. 58. 59. 60. 61. 62. 63. 64.
65. 66. 67. 68. 69. 70. 71. 72.
1. Name of the Faculty : Dr.Dinesh Birla
2. Designation : Professor
3. Department : Electrical Engineering
Course Details
Name of the Programme : B. Tech. Batch : Electrical
Branch : Electrical Semester : VIII
Title of the Subject : SWITCHGEAR & PROTECTION
Subject Code : 8EE3 No. of Students: 72
General: About Course File Format 1. Time Table and Syllabus. 2. Course Schedule including Course Plan. 3. Experiments List and Lab manual also, if required. 4. List of Assignments / Tutorials/ Seminar Topics given to students. 5. Tutorial Sheet (If required, as per the syllabus). 6. Lecture Plan. 7. Model Question Paper of the subject distributed to students included (Question Bank of important
Questions). 8. Mid –Term Question Paper (I & II) and answer-books. 9. Question of previous years available by University. 10. Marks details of the Students in respect of MTE I (Mid Term Exam) and MTE II.
Rajasthan Technical University, Kota
Course Schedule
Subject: Switch Gear & Protection
Session: 2013-14, Even Semester
Year : IV
Sem : VIII
Rajasthan Technical University, Kota
Course File
Subject: Switch Gear & Protection
Session: 2013-14, Even Semester
Year : IV
Sem : VIII
1. Name of the Faculty : Dr.Dinesh Birla
2. Designation : Professor
3. Department : Electrical Engineering
SYLLABUS COPY:- B.Tech VIII-SEMESTER
8EE3 Switch Gear & Protection
Unit-1 (i) Static Relays: Introduction to static relays, merits and demerits. Comparators: amplitude and phase comparators, duality between amplitude and phase comparators. Introduction to (a) amplitude comparators-circulating current type, phase splitting type and sampling type, (b) phase comparators-vector product type and coincidence type.
(ii) Static over Current Relays: Introduction to instantaneous, definite time, inverse time and directional overcurrent relays.
Unit-2 (i) Static Differential Relays: Brief description of static differential relay schemes-single phase and three phase schemes. Introduction to static differential protection of generator and transformer.
(ii) Static Distance Relays: Introduction to static impedance, reactance and mho relays.
Unit-3 (i) Carrier Current Protection: Basic apparatus and scheme of power line carrier system. Principle of operation of directional comparison and phase comparison carrier protection and carrier assisted distance protection.
(ii) Distance Protection: Effect of power swings on the performance of distance protection. Out of step tripping and blocking relays, mho relay with blinders. Introduction to quadrilateral and elliptical relays.
Unit-4 Circuit Breakers I: Electric arc and its characteristics, arc interruption-high resistance interruption and current zero interruption. Arc interruption theories–recovery rate theory and energy balance theory. Restriking voltage and recovery voltage, develop expressions for restriking voltage and RRRV. Resistance switching, current chopping and interruption of capacitive current. Oil circuit breakers-bulk oil and minimum oil circuit breakers. Air circuit breakers.
Unit-5 (i) Circuit Breakers II: Air blast, SF6 and vacuum circuit breakers. Selection of circuit breakers, rating of circuit breakers.
(ii) Digital Protection: Introduction to digital protection. Brief description of block diagram of digital relay. Introduction to digital overcurrent, transformer differential and transmission line distance protection.
COURSE PLAN Unit No.
Name of Unit Topics to be covered as divided in the unit
Lecture No.
1 Static Relay
Introduction to static relays, merits and demerits and introduction to amplitude comparater 1
Introduction to Phase comparators and duality 2 Various type of Amplitude comparator’s 3 Various type of Phase comparator’s and Introduction to Static over Current Relays. 4,5
Introduction to Instantaneous Static over Current relays and Definite time Static over Current Relays. 6
Introduction to Inverse time Static over Current Relays and Introduction to Directional Static over Current Relays. 7
2 Static
Differential Relay
Brief description of static differential relay schemes and Introduction to single phase static differential relay schemes 8
Introduction to three phase static differential relay schemes and Introduction to static differential protection of generator 9
Introduction to static differential protection of transformer and Introduction to static impedance relay 10
Introduction to static impedance relay and Introduction to static reactance relay.
11 12
Introduction to static mho relays. 13
3 Carrier Current
Protection
Basic apparatus and scheme of power line carrier system and Principle of operation of directional comparison carrier protection 14
Principle of operation of phase comparison carrier protection and carrier assisted distance protection. 15
Effect of power swings on the performance of distance protection and Out of step tripping and blocking relays. 16
Mho relay with blinders and Introduction to quadrilateral and elliptical relays. 17
4 Circuit Breakers I
Electric arc and its characteristics and Arc interruption-high resistance interruption and current zero interruption. 18
Arc interruption theories–recovery rate theory and Arc interruption theories–energy balance theory. 19
Restriking voltage and recovery voltage and Expressions for restriking voltage and RRRV. 20
Air circuit breakers. 21 Resistance switching, current chopping and interruption of capacitive current. 22 Oil circuit breakers-bulk oil circuit breakers and Oil circuit breakers- minimum oil circuit breakers. 23
5 Circuit Breakers II
Air blast circuit breakers and SF6 circuit breakers. 24 Vacuum circuit breakers and Selection of circuit breakers, rating of circuit breakers. 25
Introduction to digital protection and Brief description of block diagram of digital relay. 26,27
Introduction to digital overcurrent protection and Introduction to transformer differential protection. 28
Introduction to digital transmission line distance protection. 29,30
3 METHOD OF EVALUATION
3.1 Mid Term Examinations (MTE I & MTE II) 3.2 Assignment / Tutorials
3.3 Viva wherever applicable
3.4 Term End Examination
Foundation Topics: Introduction to per unit quantities Introduction to Symmetrical component and fault analysis methods
Advanced Topics: Admittance model and Admittance matrix Impedance model and Impedance matrix
Rajasthan Technical University, Kota
More on Course Schedule
Subject: Switch Gear & Protection
Session: 2013-14, Even Semester
Year : IV
Sem : VIII
1. Name of the Faculty : Dr.Dinesh Birla
2. Designation : Professor
3. Department : Electrical Engineering
Guidelines to Study the Subject
1. Preparation: - Basic fundamental of knowledge of simple power flow and faults for their study and analysis.
2. Core Competence: - To provide students the knowledge of power system design and analysis and to determine the operational performance of existing systems.
3. Breadth: -To prepare for a better future in the field of designing new electrical systems.
Learning Environment: - To provide student a friendly and professional environment.
Rajasthan Technical University, Kota
More on Course Schedule
Subject: Switch Gear & Protection
Session: 2013-14, Even Semester
Year : IV
Sem : VIII
The General Categories of Program Outcomes are: Sr.No.
General Categories of Outcomes
a An ability to apply knowledge of mathematics, science, and engineering b An ability to design and conduct experiment, as well as to analyze and interpret data c
An ability to design a system, component or process to meet desired need within realistic, Constraints such as economic, environmental, social, political, ethical, health and safety, Manufacturability and sustain ability.
d An ability to function on multi-disciplinary teams. e An ability to identify, formulates, and solves engineering Problems. f An understanding of professional and ethical responsibility g An ablity to communicate effectIely. h The broad education necessary to understand the impact of engineering solutions in a global, economic,
environmental, and societal context. i A recognition of the need for, and an ability to engage in life-long learning j Knowledge of contemporary issues. k An ability to use the techniques, skills, and modern engineering tools necessary of engineering practice.
Rajasthan Technical University, Kota
More on Course Schedule
Subject: Switch Gear & Protection
Session: 2013-14, Even Semester
Year : IV
Sem : VIII
1. Name of the Faculty : Dr.Dinesh Birla
2. Designation : Professor
3. Department : Electrical Engineering
On completion of this Subject / Course the students shall be able to understand the following: S. No. Objectives Outcomes
I Provides the knowledge of Static Relays, merits and demerits, amplitude and phase comparators, duality between amplitude and phase comparators.
a,k
II Provides knowledge of instantaneous, definite time, inverse time and directional over current relays, static differential protection of generator and transformer.
a,b,c,d,e,k
III Provides practical knowledge of static impedance, reactance and mho relays, effect of power swings on the performance of distance protection, Out of step tripping and blocking relays, mho relay with blinders.
a,c,d
IV Provides knowledge of Electric arc and its characteristics, arc interruption-high resistance interruption and current zero interruption, Arc interruption theories–recovery rate theory and energy balance theory.
a,e,i
V Provides techniques for Air blast, SF6 and vacuum circuit breakers, Selection of circuit breakers, rating of circuit breakers, transformer differential and transmission line distance protection.
a,f,g,h,i,j
Rajasthan Technical University, Kota
Assignment Sheet - I
Subject: Switch Gear & Protection Session: 2013-14, Even Semester
Year : IV
Sem : VIII
Objectives – Outcome Relationship Matrix (Indicate the relationship by x mark). Program Outcomes
Course Objectives
a
b
c
d
e
f
g
h
i
j
k
I X X X
II X X X
III X X X X
IV X X X X
V X X X X
Rajasthan Technical University, Kota
Assignment Sheet - I
Subject: Switch Gear & Protection Session: 2013-14, Even Semester
Year : IV
Sem : VIII
1. Name of the Faculty : Dr.Dinesh Birla
2. Designation : Professor
3. Department : Electrical Engineering
Assignment- I
Q1. What do you understand by Static relay? Explain Q2. Discuss duality in comparator. Q3. Explain amplitude comparators-circulating current type.
Q4. Discuss instantaneous, definite time, inverse time and directional overcurrent relays.
Rajasthan Technical University, Kota
Assignment Sheet - II
Subject: Switch Gear & Protection
Session: 2013-14, Even Semester
Year : IV
Sem : VIII
1. Name of the Faculty : Dr.Dinesh Birla
2. Designation : Professor
3. Department : Electrical Engineering
Assignment-II
Q1. Discus static differential protection of generator. Q2.What is the difference between plug setting and pick-up value of an OC relay? Q3. Discuss static impedance, reactance and mho relays.
Rajasthan Technical University, Kota
Assignment Sheet - III
Subject: Switch Gear & Protection
Session: 2013-14, Even Semester
Year : IV
Sem : VIII
1. Name of the Faculty : Dr.Dinesh Birla
2. Designation : Professor
3. Department : Electrical Engineering
Assignment- III
. Q1 Define the following terms and explain their significance in distance protection (a) Reach of a distance relay. (b) Under reach. Q2. Explain the operation of the unit type of carrier-based directional protection. Q3 Write short note on
a) Effect of power swing on the performance of distance relay. b) Out Of Step tripping and blocking relay. c) Mho relay with blinders.
Rajasthan Technical University, Kota
Assignment Sheet - IV
Subject: Switch Gear & Protection
Session: 2013-14, Even Semester
Year : IV
Sem : VIII
1. Name of the Faculty : Dr.Dinesh Birla
2. Designation : Professor
3. Department : Electrical Engineering
Assignment- IV
Q1. Explain the terms Recovery voltage, Restriking voltage, and RRRV. Derive an expression for the restriking voltage in terms of system capacitance and inductance. Q2. What is mean by arc interruption .Discuss various type of arc interruption? Q3. (a) Explain briefly about various Switchgear components. (b) Give the importance of ratings and specifications of Circuit Breaker.
Rajasthan Technical University, Kota
Assignment Sheet - V
Subject: Switch Gear & Protection
Session: 2013-14, Even Semester
Year : IV
Sem : VIII
1. Name of the Faculty : Dr.Dinesh Birla
2. Designation : Professor
3. Department : Electrical Engineering
Assignment- V
Q1. What are the functional requirements of a circuit breaker under fault condition? Q2. What are the advantages of SF6 circuit breaker? Q3. Draw the block diagram of the numerical relay. Q4. What are the advantages of numerical relays over conventional relays?
Rajasthan Technical University, Kota
Tutorial Sheet – I
Subject: Switch Gear & Protection
Session: 2013-14, Even Semester
Year : IV
Sem : VIII
1. Name of the Faculty : Dr.Dinesh Birla
2. Designation : Professor
3. Department : Electrical Engineering
TUTORIAL-1 Q1. What do you understand by Static relay? Explain Q2. Discuss duality between amplitude and phase comparators?
Rajasthan Technical University, Kota
Tutorial Sheet – II
Subject: Switch Gear & Protection
Session: 2013-14, Even Semester
Year : IV
Sem : VIII
1. Name of the Faculty : Dr.Dinesh Birla
2. Designation : Professor
3. Department : Electrical Engineering
Tutorial-II Q1. Discuss instantaneous, definite time, inverse time and directional overcurrent relays. Q2. Static impedence relay and reliaze it with the help of amplitude and phase Comparator.
Rajasthan Technical University, Kota
Tutorial Sheet – III
Subject: Switch Gear & Protection
Session: 2013-14, Even Semester
Year : IV
Sem : VIII
1. Name of the Faculty : Dr.Dinesh Birla
2. Designation : Professor
3. Department : Electrical Engineeing
Tutorial-III Q1 Explain basic apparatus and scheme of power line carrier system. Q2 Explain effect of power swings on the performance of distance protection.
Rajasthan Technical University, Kota
Tutorial Sheet – IV
Subject: Switch Gear & Protection
Session: 2013-14, Even Semester
Year : IV
Sem : VIII
1. Name of the Faculty : Dr.Dinesh Birla
2. Designation : Professor
3. Department : Electrical Engineering
Tutorial-IV
Q1 What is mean by arc interruption .Discuss various type of arc interruption. Q2 What do you understand by circuit breaker? Write a short note on Oil circuit breakers-bulk oil and minimum oil circuit breakers. Air circuit breakers.
Rajasthan Technical University, Kota
Tutorial Sheet – V
Subject: Switch Gear & Protection
Session: 2013-14, Even Semester
Year : IV
Sem : VIII
1. Name of the Faculty : Dr.Dinesh Birla
2. Designation : Professor
3. Department : Electrical Engineering
Tutorial-V
Q1. What do you mean by digital protection? Q2. Selection of circuit breakers, rating of circuit breakers.
Lesson No.1 Title: Introduction to static relays, amplitude comparators
S.NO Topic Time Alloted(min)
1. Introduction to static relays, merits and demerits. 35
2. Introduction to amplitude comparators 20
Lesson No.2 Title: Introduction to Phase comparators, Duality
S.NO Topic Time Alloted(min)
1 Introduction to Phase comparators 20
2 Duality between amplitude and phase comparators. 35
Lesson No.3 Title: Circulating Current, Phase Splitting, Sampling type amplitude comparator
S.NO Topic Time Alloted(min) 1. Circulating current type amplitude comparators 20 2. Phase splitting type amplitude comparators 20 3. Sampling type amplitude comparators 15
Lesson No.4 Title: Vector product. Coincidence type phase comparator
S.NO Topic Time Alloted(min)
1. Vector product type phase comparators 40 2. Coincidence type phase comparators 15
Lesson No.5 Title:Coincidence type phase comparator, static over Current Relays
S.NO Topic Time Alloted(min) 1. Coincidence type phase comparators 40 2 Introduction to Static over Current Relays 15
Lesson No.6 Title:Instantaneous, Definite time Static Over Current Relays
S.NO Topic Time Alloted(min)
1. Introduction to Instantaneous Static over Current Relays. 25 2. Introduction to Definite time Static over Current Relays. 25
Rajasthan Technical University,Kota
LECTURE PLAN Subject: Switch Gear & Protection
Subject Code: 8EE3 Duration of Lesson: 55 min
Session: 2013-14, Even Semester
Year : IV
Sem : VIII
Lesson No.7 Title:Inverse time, Directional Static Over Current Relays
S.NO Topic Time Alloted(min) 1. Introduction to Inverse time Static over Current Relays. 25 2. Introduction to Directional Static over Current Relays. 25
Lesson No.8 Title: Remedial class, Class test
S.NO Topic Time Alloted(min) 1. Remedial Class 15 2. Class Test 40
Lesson No.9 Title:Static Differential Relay
S.NO Topic Time Alloted(min) 1. Brief description of static differential relay schemes 20 2. Introduction to single phase static differential relay schemes 35
Lesson No.10 Title: Static Differential relay, Differential protection of Generator
S.NO Topic Time Alloted(min) 1. Introduction to three phase static differential relay schemes 20 2 Introduction to static differential protection of generator 35
Lesson No.11 Title: Differential protection of Transformer, Static impedance relay
S.NO Topic Time Alloted(min) 1. Introduction to static differential protection of transformer. 30 2. Introduction to static impedance relay 25
Lesson No.12 Title: Static impedance, reactance relay
S.NO Topic Time Alloted(min) 1. Introduction to static impedance relay 15 2. Introduction to static reactance relay 40
Lesson No.13 Title: Static Mho relay
S.NO Topic Time Alloted(min) 1. Introduction to static mho relays. 40 2. Problem 15
Lesson No.14 Title: Remedial Class, Class Test
S.NO Topic Time Alloted(min) 1. Remedial Class 15 2. Class Test 40
Lesson No. 15 Title: Power line carrier system, carrier protection
S.NO Topic Time Alloted(min)
1. Basic apparatus and scheme of power line carrier system. 30 2. Principle of operation of directional comparison carrier protection 25
Lesson No. 16 Title: carrier protection, carrier assisted distance protection
S.NO Topic Time Alloted(min) 1. Principle of operation of phase comparison carrier protection 30 2. carrier assisted distance protection. 25
Lesson No. 17 Title: performance of distance protection, Out of step tripping and blocking relays
S.NO Topic Time Alloted(min)
1. Effect of power swings on the performance of distance protection. 35 2. Out of step tripping and blocking relays. 20
Lesson No.18 Title: Mho relay with blinders, quadrilateral and elliptical relays
S.NO Topic Time Alloted(min)
1. Mho relay with blinders 20 2 Introduction to quadrilateral and elliptical relays. 35
Lesson No.19 Title: Remedial Class, Class Test
S.NO Topic Time Alloted(min)
1. Remedial Class 15 2. Class Test 40
Lesson No. 20 Title: Electric arc, current zero interruption
S.NO Topic Time Alloted(min)
1. Electric arc and its characteristics 25 2. Arc interruption-high resistance interruption and current zero interruption. 30
Lesson No. 21 Title: Arc interruption theories
S.NO Topic Time Alloted(min) 1. Arc interruption theories–recovery rate theory and 30 2. Arc interruption theories–energy balance theory. 25
Lesson No. 22 Title: Restriking voltage and recovery voltage
S.NO Topic Time Alloted(min)
1. Restriking voltage and recovery voltage 10 2. Expressions for restriking voltage and RRRV. 45
Lesson No.23 Title: Resistance switching, current chopping
S.NO Topic Time Alloted(min) 1. Resistance switching, current chopping and interruption of
capacitive current. 55
Lesson No.24 Title: Oil circuit breakers
S.NO Topic Time Alloted(min)
1. Oil circuit breakers-bulk oil circuit breakers 30 2. Oil circuit breakers- minimum oil circuit breakers 25
Lesson No. 25 Title: Air circuit breakers
S.NO Topic Time Alloted(min)
1. Air circuit breakers. 45 2. Problems 10
Lesson No. 26 Title: Remedial Class, Class Test
S.NO Topic Time Alloted(min)
1. Remedial Class 15 2. Class Test 40
Lesson No. 27 Title: Air blast circuit breakers, SF6 circuit breakers.
S.NO Topic Time Alloted(min) 1. Air blast circuit breakers. 25 2. SF6 circuit breakers. 30
Lesson No. 28 Title: Vacuum circuit breakers, rating of circuit breakers
S.NO Topic Time Alloted(min) 1. Vacuum circuit breakers. 30 2. Selection of circuit breakers, rating of circuit breakers. 25
Lesson No. 29 Title: digital protection, digital relay
S.NO Topic Time Alloted(min)
1. Introduction to digital protection. 25 2. Brief description of block diagram of digital relay. 30
Lesson No. 30 Title: digital overcurrent protection, transformer differential protection
S.NO Topic Time Alloted(min)
1. Introduction to digital overcurrent protection. 25 2. Introduction to transformer differential protection. 30
Lesson – 31; Title: Introduction to digital transmission line distance protection
S.NO Topic Time Alloted(min) 1. Introduction to digital transmission line distance protection. 35 2. Problem 20
Lesson – 32; Title: Remedial Class, Class Test
S.NO Topic Time Alloted(min) 1. Remedial Class 15 2. Class Test 40
Rajasthan Tecnical university,Kota
I Mid Term Question Paper
Subject: Switch Gear & Protection Subject Code:8EE3
Duration 1Hr. Session: 2013-14, Even Semester
Year : IV
Sem : VIII
Midterm Question Paper-I
Date:13/03/2014
Duration: 1Hr Maximum Marks: 10 Instructions to Candidates: Attempt all questions. Q.1 Write the basic principle of operation of any two type of earlier prevailing protective relays in old time. Q.2 Describe the constituent elements in briefs of static relays. Q.3 Draw the block diagram of static time over current relay, differential static relay with description wherever necessary.
Rajasthan Tecnical university,Kota
II Mid Term Question Paper
Subject: Switch Gear & Protection Subject Code:8EE3
Duration 1Hr. Session: 2013-14, Even Semester
Year : IV
Sem : VIII
Midterm Question Paper-II Date: 18/04/2014
Duration: 1Hr Maximum Marks: 10 Instructions to Candidates: Attempt all questions. Q.1 Describe any type of comparator with its construction details and working. Describe duality of comparator. Q.2 Describe the principle of operation of air blast circuit breaker, gives application voltage range of various C.B.
Rajasthan Tecnical university,Kota
Performance of Students in Mid Term Exams
Subject: Switch Gear & Protection Subject Code: 8EE3
Maximum Marks: 20 Session: 2013-14, Even Semester
Year : IV
Sem : VIII
S. No. Roll No. Student Name
Average Marks
obtained in MT I & MT II
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