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Power System Protection: Course Syllabus for Electrical and Electronics Engineering, Cheat Sheet of Power Electronics

SRM Institute Of Science & TechnologyPower Electronics

Power system protection Power system protection v Power system protection v Power system protection

Typology: Cheat Sheet

2020/2021

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EE-Engg&Tech-SRM-2015 29
15EE302 Power System Protection L T P C
3 0 0 3
Co-requisite: NIL
Prerequisite: NIL
Data Book /
Codes/Standards NIL
Course Category P PROFESSIONAL CORE POWER SYSTEMS
Course designed by Department of Electrical and Electronics Engineering
Approval 32
nd
Academic Council Meeting , 2016
PURPOSE To gain the knowledge on the basic concepts of protection schemes of power system
equipment, Switch gear and get familiarized with the modern trends in protection.
INSTRUCTIONAL OBJECTIVES STUDENT OUTCOMES
At the end of the course, student will be able to
1. Realize the basic protective schemes app lied in power system
protection. a
2. Emphasize the significance and application of protection for electrical
equipment a e
3. Educate the new developments in power system protection a h
Session Description of Topic Contact
hours
C-D-I
-
OIOs Reference
UNIT I: INTRODUCTION TO PROTECTIVE
SCHEMES 9
1. Realise the basic protective schemes applied in
power system protection. 1 C 1 1,2,3
2. Evolution of protective relays - Zones of protection
-
Primary and Back -up Protection 1 C 1 1,2,3
3. Essential qualities of Protection - Classification of
Protective schemes 1 C 1 1,2,3
4.
Concept of reset, pick up, inverse time a nd definite
time characteristics, over current, over voltage,
directional, relay
2 C 1 1,2,3
5. Differential relay 1 C 1 1,2,3
6. Distance relays on R-X diagram 1 C 1 1,2,3
7.
Static Relays: Introduction, advantages and
limitations of static relays, static over current,
directional relays.
1 C 1 1,2,3
8. Negative sequence relays 1 C 1 1,2,3
UNIT II : PROTECTION OF EQUIPM ENT 9
9. Types and detection of faults and their effects 1 C 2 1,2,3
10.
Alternator protection schemes (stator, rotor, reverse
power protection etc.)inter nal faults protection),
generator-transformer unit protection scheme
2 C 2 1,2,3
11.
Transformer protection (External and
internal faults
protection), Buccholz relay, generator-
transformer
unit protection schemes
2 C 2 1,2,3
12. Bus bar protection 1 C 2 1,2,3
13.
Transmission line protection (current/time grading,
distance) 1 C 2 1,2,3
14. Pilot relaying schemes. 1 C 2 1,2,3
15. Power line carrier protection 1 C 2 1,2,3
UNIT III : SWITCHGEAR 9
16.
Theory of current interruption-
energy balance and
recovery rate theory, arc quenching, recovery and
restriking voltagesTypes of circuit breakers. bulk oil
CB
1 C 2 1,3
17. T ypes of circuit breakers. bulk oil CB 1 C 2 1,3
18. Minimum oil CB 1 C 2 1,3
19. Air break and air blast CBs 1 C 2 1,3
20.
Sulphur hexafluoride (SF6) and vacuum circuit
breakers 2 C 2 1,3
pf2

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EE-Engg&Tech-SRM-2015 29 15EE302 Power System Protection

L T P C

Co-requisite: NIL Prerequisite: NIL Data Book / Codes/Standards

NIL

Course Category P PROFESSIONAL CORE POWER SYSTEMS Course designed by Department of Electrical and Electronics Engineering Approval 32 nd^ Academic Council Meeting , 2016 PURPOSE To gain the knowledge on the basic concepts of protection schemes of power system equipment, Switch gear and get familiarized with the modern trends in protection. INSTRUCTIONAL OBJECTIVES STUDENT OUTCOMES At the end of the course, student will be able to

  1. Realize the basic protective schemes applied in power system protection. a
  2. Emphasize the significance and application of protection for electrical equipment a e
  3. Educate the new developments in power system protection a h Session Description of Topic Contact hours

C-D-I-

O

IOs Reference UNIT I: INTRODUCTION TO PROTECTIVE SCHEMES

  1. Realise the basic protective schemes applied in power system protection.

1 C 1 1,2,

  1. Evolution of protective relays - Zones of protection^ - Primary and Back -up Protection

1 C 1 1,2,

Essential qualities of Protection - Classification of Protective schemes 1 C^1 1,2,

Concept of reset, pick up, inverse time and definite time characteristics, over current, over voltage, directional, relay

2 C 1 1,2,

  1. Differential relay 1 C 1 1,2,
  2. Distance relays on R-X diagram 1 C 1 1,2,
  3. Static Relays: Introduction, advantages and limitations of static relays, static over current, directional relays.

1 C 1 1,2,

  1. Negative sequence relays 1 C 1 1,2, UNIT II : PROTECTION OF EQUIPMENT 9
  2. Types and detection of faults and their effects 1 C 2 1,2,
  3. Alternator protection schemes (stator, rotor, reverse power protection etc.)internal faults protection), generator-transformer unit protection scheme

2 C 2 1,2,

Transformer protection (External and internal faults protection), Buccholz relay, generator-transformer unit protection schemes

2 C 2 1,2,

  1. Bus bar protection 1 C 2 1,2,
  2. Transmission line protection (current/time grading, distance)

1 C 2 1,2,

  1. Pilot relaying schemes. 1 C 2 1,2,
  2. Power line carrier protection 1 C 2 1,2, UNIT III : SWITCHGEAR 9
  3. Theory of current interruption- energy balance and recovery rate theory, arc quenching, recovery and restriking voltagesTypes of circuit breakers. bulk oil CB

1 C 2 1,

  1. Types of circuit breakers. bulk oil CB 1 C 2 1,
  2. Minimum oil CB 1 C 2 1,
  3. Air break and air blast CBs 1 C 2 1,
  4. Sulphur hexafluoride (SF6) and vacuum circuit breakers 2 C^2 1,

EE-Engg&Tech-SRM-2015 30 Session Description of Topic Contact hours

C-D-I-

O

IOs Reference

  1. Rating selection and testing of circuit breakers 1 C 2 1,
  2. Operating mechanisms - LT switchgear, Gas insulated switchgear 1 C^2 1,
  3. HRC fuses, types, construction and applications. 1 C 2 1, UNIT IV : SURGE PROTECTION AND INSULATION CO-ORDINATION

Introduction-Power frequency, switching and lightning overvoltages 1 C^2 1,3,

  1. Klydonograph and magnetic link 1 C 2 1,
  2. Protection of transmission lines against direct line strokes

1 C 2 1,

  1. Protection of^ stations and sub-stations from direct strokes

2 C 2 1,

  1. Protection against travelling waves 1 C 2 1,
  2. Peterson coil, Insulation co-ordination, Basic impulse insulation level 3 C^2 1, UNIT V : MODERN TRENDS IN POWER SYSTEM PROTECTION
  1. Numerical (DAS), Numerical over current protection^ Protection-Data^ acquisition systems 2 C 3 1,2,3,
  2. Numerical differential protection, 1 C 3 1,2,3,
  3. Numerical distance protection 1 C 3 1,3,
  4. Fibre optic based relaying, microwave relaying 2 C 3 1
  5. FPGA based relays, adaptive protection, Wide area protection 1 C 3 1,
  6. Applications^ of^ AI^ techniques^ to^ power^ system protection, protection substation Automation

2 C,I 3 1,

Total contact hours 45 LEARNING RESOURCES Sl. No. TEXT BOOKS

  1. Badriram & Vishwakarma, “Power System Protection’’, Tata McGraw-Hill Education,10th^ reprint, 2015.
  2. Paithankar Y. G., S. R. Bhide., “Fundamentals of power system protection’’PHI Learning Pvt. Ltd., 10th reprint,2010. REFERENCE BOOKS/OTHER READING MATERIAL
  3. Ravindra Nath.B, and Chandar.M ’’Power systems protection and switchgear’’, New age international (P) Ltd.3rd^ reprint, 2014.
  4. Rao Sunil.S, “Switchgear and protection’’ Khanna Publishers,2nd^ Edition,2011.
  5. T.S.M Rao, “Digital/Numerical Relays’’, Tata McGraw-Hill Education, 2005.
  6. Bhavesh Bhalja, R P Maheswari, Nilesh G Chothani, “Protection and Switchgear” Oxford University press, first edition, 5th^ reprint 2014. Course nature Theory Assessment Method (Weightage 100%) In- semester Assessment tool Cycle test I^ Cycle test II^ Cycle Test III^ Surprise Test^ Quiz^ Total Weightage 10% 15% 15% 5% 5% 50% End semester examination Weightage : 50%