switch gear protection

  1. Draw & explain the Merz-price protection scheme for star-star transformer.
  2. Explain the need of bus bar protection and difficulties in bursar Protection?
  3. Explain briefly Distance protection of transmission lines?
  4. What are the advantages of neutral Ear thing?
  5. Explain briefly about Valve type lightning Arrester?
  6. Explain briefly Reactance Earthling?
  7. Explain briefly parallel feeder protection
  8. Explain briefly Tran slay scheme for feeder protection?
  9. What are the advantages of neutral Ear thing?
  10. what do you mean by effectively grounded and none effectively grounded systems?
  11. What are the various methods of protection against lightning strokes?
  12. What is PSM and TMS? Explain?