BEE751

Power System Protection Laboratory

L-T-P0-0-2 Credits1 Session2025-26 TypeLab / Practical
Appears in 2 semesters · 2 branches

B.Tech Electrical Engineering · Sem 7 (Lab) · B.Tech Electrical & Electronics Engineering · Sem 7 (Lab)

Pre-requisites: Power System-I Lab, Power System-II Lab and basic understanding of Scilab/MATLAB/Simulink/ PSCAD/MiPower

List of Experiments / Activities

  1. Note: A Minimum of 10 experiments are to be performed from the following list by using hardware or on a software platform, preferably on Scilab/MATLAB /Simulink/ PSCAD/ MiPower or any any other equivalent open-source software platform.
  2. 1To observe and plot characteristics of:
  3. •Overcurrent relay (IDMT)
  4. •Directional relay
  5. 2To observe and plot characteristics of:
  6. •Differential relay
  7. •Distance relay
  8. 3To study the operation and characteristics of the electro-mechanical type over-voltage relay.
  9. 4To study the gas-actuated Buchholz relay for an oil-filled transformer.
  10. 5To simulate the various shunt faults in the transmission line using a three-phase fault simulator.
  11. 6To study the effect of different shapes of electrodes on dielectric (air) breakdown.
  12. 7Exponential impulse current test for determination of residual voltage like, as surge arresters.
  13. 8To determine the critical flash-over voltage of a sphere gap assembly under varying atmospheric conditions.
  14. 9To analyze capacitive current and short-line fault interruptions.
  15. 10To implement protection schemes for alternators: stator, rotor, and reverse power protection.
  16. 11To test and compare the performance of SF6, vacuum, and air circuit breakers.
  17. 12Testing of MCB, MCCB and ELCB by load test.
  18. 13To study the differential protection of a three-phase delta-delta connected transformer.
  19. 14To study the protection of a three-phase induction motor using a numerical relay.
  20. 15To simulate an overcurrent protection scheme with CT/PT.
  21. 16To study of transmission line fault detection, classification and location estimation using distance relays by simulating different faults on the IEEE 9-bus test power system through PSCAD software or MATLAB/Simulink.
  22. 17Study of Power Swing and its impact on distance relaying-based transmission line protection scheme through PSCAD software or MATLAB/Simulink.
  23. 18Microprocessor/microcontroller-based overcurrent protection scheme using MATLAB or Arduino IDE.
  24. 19To develop simple relay coordination logic using embedded systems or protection software.
  25. 20To simulate digital relay operation for overcurrent, differential, or distance protection. * Some of the Experiments from the above list can be performed on the virtual lab via the following virtual lab link: http://vlab.co.in/
Course Outcomes (COs)3 outcomes

After completion of the course student will be able to:

  1. CO1Analyze the performance of various relays by testing their distinct characteristics.K4
  2. CO2Test and evaluate the performance of various circuit breakers used for power system protection, comparing their operational characteristics and effectiveness.K4
  3. CO3Formulate a program/simulation model for the analysis of various power system protection schemes using programming tools /software such as Scilab/MATLAB /Simulink/ PSCAD/ MiPower or any other open source software platform.K6

Textbooks

  1. L.P. Singh, “Digital Protection: Protective Relaying from Electromechanical to Microprocessor”, John Wiley & Sons, Inc.
  2. Badri Ram & D.N. Vishwakarma, “Power System Protection and Switchgear”, Tata McGraw Hill Education Private Limited
  3. T.S. Madhav Rao, “Microprocessor-Based Protection Systems” .
  4. M.S. Naidu and V. Kamaraju , “High Voltage Engineering”, McGraw Hill Education (India) Private Limited
  5. Sunil S. Rao , “Switchgear and Protection”, Khanna Publishers.
  6. Y.G. Paithankar & S.R. Bhide , “Fundamentals of Power System Protection”, PHI; Second Edition.
  7. K. Umarao, “Computer Techniques and Models in Power System”, Wiley

Official AKTU syllabus

This subject is on page 5, 6 of the original AKTU PDF.

Official AKTU syllabus PDF ↗