Multiple Choice
The operating characteristics of the reactance relay in the complex impedance plane is a
A) Circle with its origin at the centre of the R-X plane
B) Circle passing through the origin
C) Straight line passing through the origin
D) Straight line parallel to the X axis
Correct Answer:
Verified
Correct Answer:
Verified
Q7: Both voltage and current signals are required
Q8: The domains of power system where directional
Q9: Reactance relay is normally used for protection
Q10: The structure used in reactance relay is<br>A)Induction
Q11: Threshold characteristics of a plain impedance relay
Q12: Impedance relay can be used for<br>A)Phase faults
Q13: On transient fault OC and impedance relay<br>A)Under
Q14: Differential relays are used for protection of
Q16: Differential relays are used for protection of<br>A)Feeders<br>B)Alternators<br>C)Transformers<br>D)All
Q17: An impedance is relay is a<br>A)Voltage restrained