AKTU Power System Protection (BEE701) Syllabus PDF – B.Tech 4th Year
Power System Protection BEE701
All syllabus, notes, question bank & PYQ for this subject
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- Semester 7
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Syllabus — Power System Protection
Download PDFBEE701 · 3 credits · L-T-P 3-0-0
Pre-requisites of the course: Power System-I, Power System-II
Course Outcomes
Upon the completion of the course, the student will be able to:
| CO1 | Describe the characteristics and essential qualities of relays and the classification of protective schemes. | K2 |
| CO2 | Compare different types of relays and their applications. Also, analyze the performance of various relays by testing their distinct characteristics. | K2 |
| CO3 | Describe the types of faults and the protection scheme for major components of the power system. | K2 |
| CO4 | Describe the circuit breaker operation, testing and types. Also, test and analyze the performance of various circuit breakers used for power system protection, by comparing their operational characteristics and effectiveness. | K4 |
| CO5 | Explain the electronic relay, microprocessor and computer-based protection schemes. | K2 |
Unit-I: Protection Scheme
Need for Protective systems, Evolution of protective relays - Zones of protection - Primary and Back -up Protection - Essential qualities of Protection - Classification of Protective schemes -Automatic reclosing – current transformer for Protection - potential transformer - summation transformer -phase – sequence current - segregating network
Unit-II: Relays:
Electromagnetic, attracted and induction type relays, thermal relay, gas actuated relay, design considerations of electromagnetic relay. Relay Application and Characteristics: Amplitude and phase comparators, over current relays, directional relays, distance relays, differential relay, Static Relays: Comparison with electromagnetic relay, classification and their description, over current relays, directional relay, distance relays, differential relay.
Unit-III: Protection of Components
Types & detection of faults and their effects, alternator protection scheme (stator, rotor, reverse power protection etc.)
- Power transformer protection (external and internal faults protection), generator- transformer unit protection scheme, bus bar protection - Transmission line protection (current/time grading, distance), Pilot relaying schemes, power line carrier protection.
Unit-IV: Circuit Breaking
Properties of arc, arc extinction theories, re-striking voltage transient, current chopping, resistance switching, capacitive current interruption, short line interruption, circuit breaker ratings. Testing of Circuit Breaker:
Classification, testing station and equipment, testing procedure, direct and indirect testing, selection of circuit breakers. constructional features and operation of Bulk Oil, Minimum Oil, Air Blast, SF6, Vacuum and d. c. circuit breakers.
UNIT V- Modern Trends in Protection
Electronic relays, static relays, functional circuits: comparators, level detectors, logic and training circuits, microprocessor and computer-based protection schemes- software development for protection, security, and reliability.
Text Books
- S. S. Rao, “Switchgear and Protection”, Khanna Publishers.
- B. Ravindranath and M. Chander, Power system Protection and Switchgear, Wiley Eastern Ltd.
- B. Ram and D. N. Vishwakarma, “Power System Protection and Switchgear”, Mc Graw Hill
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