How many relays are used to detect interphase fault of a three line system?
A) One
B) Two
C) Three
D) Six
Correct Answer:
Verified
Q5: The relay used for feeder protection is
A)Under
Q6: Which relay is used to detect and
Q7: Which one of the following relay has
Q8: Zero sequence current is used for relaying
Q9: To prevent mal operation of differentially connected
Q11: Which is the main relay for protecting
Q12: For protection of parallel feeders fed from
Q13: Relays can be designed to respond to
Q14: DC shunt relays are made of
A)Few turns
Q15: In order that current should flow without
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