When distance relay works?

When distance relay works?

A. If the impedance appears at the relay, the value is higher than the impedance set. Relay will work
B. If the impedance appears at the relay, the value is lower than the set impedance Relay will work
C. If the impedance appears at the relay is equal to the set impedance Relays may or may not work.
D. Article 2 and Article 3 are correct.

Show Answer

Answer: C

Share your understanding of this question with the correct explanation.