Never stop talking " STOP the Gaza Genocide "
  • Lesson.No : 11
  • 00:04:46

  • C4 Overcurrent Protection: Current Time Grading for Transformers

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Course Lessons

  1. 1- A1 Power System: Systems and Security of Supply
  2. 2- A2 Power System : Short Circuit Calculations
  3. 3- A3 Power System: Faults and Network Availability
  4. 4- A4 Power System: Risk and Risk Management
  5. 5- A5 Power System: Coincidence Probability
  6. 6- A7 Protection Concepts - Part 1: Fault Dynamics
  7. 7- A8 Protection Concepts - Part 2: Network Reliability Indicators
  8. 8- C1 Overcurrent Protection: Basics
  9. 9- C2 Overcurrent Protection: Overcurrent Time Grading
  10. 10- C3 Overcurrent Protection: Overcurrent in Ring Structures
  11. 11- C4 Overcurrent Protection: Current Time Grading for Transformers
  12. 12- C5 Overcurrent Protection: Reverse Current Interlock
  13. 13- C6 Overcurrent Protection: Selectivity, Fault Locating
  14. 14- C7 Overcurrent Protection: Back-up Protection
  15. 15- D1 Differential Protection: Basics
  16. 16- E1 Earth Fault Protection: Neutral Point Treatment and Protection
  17. 17- E2 Earth Fault Protection: Dynamics and Stationary Characteristic
  18. 18- E3 Earth Fault Protection: Earth Fault Calculations
  19. 19- E4 Earth Fault Protection: Earth Fault Relaying - Wattmetric Relays
  20. 20- F1 Distance Protection: Basics
  21. 21- F2 Distance Protection: Basic Selectivity and Grading Scheme
  22. 22- F3 Distance Protection: Signal Comparison
  23. 23- F4 Distance Protection: Earth Return Path Matching Factor
  24. 24- H1 Fault Analysis and Testing: Failure Modes and Analysis
  25. 25- H2 Power System: Transformer Vector Groups
  26. 26- P1 Peripherals: Current Transformers - Linearity