AKTU Power System Faults: Analysis & Protection (BEEZ701) Syllabus PDF – B.Tech 4th Year
Power System Faults: Analysis & Protection BEEZ701
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Syllabus — Power System Faults: Analysis & Protection
Download PDFBEEZ701 · 3 credits · L-T-P 3-0-0
Pre-requisites of the course: Power System-I
Course Outcomes
Upon the completion of the course, the student will be able to:
| CO1 | Analyze the behavior of constituent components and sub-systems in power systems and networks under balanced and unbalanced fault conditions. | K4 |
| CO2 | Analyze the load flow in an electrical power network and determine load flow solutions. | K4 |
| CO3 | Understand steady-state and transient stability concepts in power systems under various operating conditions. | K2 |
| CO4 | Describe the operating principles of relays, their applications, and various protective schemes. | K2 |
| CO5 | Demonstrate protective schemes for major power system components and equipment and the use, operation, testing, and types of various circuit breakers. | K3 |
Unit-I: Fault Analysis in Power System
Symmetrical Components: Significance of positive, negative and zero sequence components, Average 3-phase power in terms of symmetrical components, sequence impedances and sequence networks.
Fault Calculations: Fault calculations, sequence network equations, single line to ground fault, line to line fault, double line to ground fault, three-phase faults, faults on power systems, faults with fault impedance, reactors and their location, short circuit capacity of a bus.
Unit-II: Load Flow Analysis
Introduction, Need for load flow, load dispatch centers and operating strategies, Formation of Z and Y , BUS BUS development of load flow equations, load flow solution using Gauss-Seidel and Newton-Raphson method, Comparison of Gauss-Seidel and Newton-Raphson Method, fast decoupled method, introduction to forward backward sweep load flow for radial network.
Unit-III: Stability in Power System
Power flow through a transmission line, Stability and Stability limit, Steady state stability study, derivation of Swing equation, transient stability studies by equal area criterion. Factors affecting steady state and transient stability and methods of improvement.
Unit-IV: Protection Scheme-I
Need for Protective systems, Evolution of protective relays - Zones of protection - Primary and Back -up Protection - Essential qualities of Protection - Classification of Protective schemes Basic Terminology: Relay, Energizing Quantity, setting, Pickup, drop out, Flag, fault clearing time, Relay time, Breaker time, Overreach, Underreach; Classification of Relays according to applications, according to time. Over current Relay, Distance Protection, Differential Protection.
Relays: Operating Principle of a general relay, Electromagnetic, attracted and induction type relays, thermal relay, gas actuated relay, design considerations of electromagnetic relay. over current relays, directional relay, distance relays, differential relays. Relay Application and Characteristics.
Unit-V: Protection Scheme-II
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.
Circuit Breakers: Classification, Arc Phenomenon, Arc Extinction and its Methods, Restriking Voltage & Recovery Voltage.
Text Books
- Hadi Sadat, “Power System Analysis”, McGraw Hill.
- D.P. Kothari & I.J. Nagrath, “Modern Power System Analysis” McGraw Hill, 3rd Edition.
- W. D. Stevenson, “Elements of Power System Analysis”, McGraw Hill
- 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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