Tuesday, August 18, 2009

Interview Questions on Relay and its fundamentals

  1. What is the objective of relaying system?
  2. What are the functional requirements of the relays?
  3. Can you draw the healthy trip circuit?
  4. What are switchgears?
  5. What are the different types of switchgear?
  6. What are the operating mechanisms of the switchgear?
  7. What are through faults?
  8. What is relay burden?
  9. Why stabilizing resistor are used?
  10. How do you calculate the value of the stabilizing resistor?

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