Types of relay

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Across
  1. 7. the relay used for protection of series compensated line
  2. 9. Relay which mounted on some oil-filled power transformers
  3. 10. The relay used in AC Systems alone
  4. 13. The relay which detects frequency > natural freq.
  5. 15. the relay that operates when the phase difference of two or more identical electrical quantities exceeds a predetermined amount.
  6. 16. The relay used for protection purpose
  7. 18. First generation of relay
  8. 19. The relay which detects fault instant
  9. 20. The relay which detects heat
  10. 21. The relay which detects frequency < natural freq.
  11. 23. The sensitive relay whose are having its contacts mounted in an evacuated glass housing
  12. 24. The relay which detects more than two quantity
Down
  1. 1. The relay which detects facult in very fastly
  2. 2. relay provides flexible protection during high fault resistance of ground and phase faults
  3. 3. The relay which detects current < rated current
  4. 4. Second generation of relay
  5. 5. The relay which detects current > rated current
  6. 6. Third generation of relay
  7. 8. The relay which detects voltage > rated voltage
  8. 11. The relay which detects change in impedance
  9. 12. relay is an overcurrent relay with directional limitation
  10. 14. The relay which detects two quality at a time
  11. 17. The relay which detects only one single quanity
  12. 22. The relay which detects voltage < rated voltage