Power System

SWITCH GEAR AND PROTECTION

1. Fuses & Circuit Breakers
2. Oil Circuit Breaker & Air Blast Cicuit Breaker
3. Vacuum Circuit Breaker & SF6 Circuit Breaker
4. Protective Relays
5. Induction type non-directional over current relay
6. Induction Type Directional Over Current Relay
7. Balanced Earth-fault Protection of Alternator
8. Distance / Impedance Relay
9. Differential protection of transformer
10. Buchholz Relay
11. Differential Protection of Alternators or Merz-Price circulating current protection
12. Busbar Protection
13. Causes of Over Voltage
14. Protection against Lightning
15. Rod Gap Lightning Arrester
16. Horn Gap Arrester
17. Thyrite type lightning arrester
18. Soil Resistivity
19. Neutral grounding
20. Electric Heating
21. Resistance Heating – Direct & Indirect Methods
22. Arc Furnace – Direct & Indirect types
23. Induction Heating – Direct Core type Induction Heating
24. Induction Heating – Indirect Core type Induction Heating
25. Core Less Induction Furnace
26. Electric Welding
27. Spot Welding
28. Seam Weld
29. Butt Welding
30. Electrolysis
31. Electric Drives – Block Diagram
32. Individual Drives & Group Drives
33. Electric Traction – Requirements & Advantages
34. Electric Supply For Traction
35. Speed-Time Curve of Main Line Service
36. Average speed & Scheduled speed of an Electric Train
37. Trapezoidal speed time curve of Main line service
38. Specific Energy Consumption
39. Electric Braking – Rheostatic braking
40. Plugging
41. Regenerative Braking