Q.Signal mixing transformers are used for 

  • AInduction disc type overcurrent relay.
  • BDirection sensitive distance relay.
  • CPilot-wire feeder protection.
  • DPlain differential relay. 
Correct Answer : (C)

Pilot-wire feeder protection.

Hints :

Signal mixing transformers are used for Pilot-wire feeder protection.


The most serious consequence of a major uncleared short-circuit fault could be


Which of the following results in a symmetrical fault?

Join The Discussion