Threshold characteristics of a plain impedance relay in a complex Z plane is a
A) Circle passing through origin
B) Circle with the centre at the origin
C) Straight line passing through origin
D) Straight line offset from the origin
Correct Answer:
Verified
Q2: In an inverse definite minimum time, electromagnetic
Q3: Impedance relay can be used for
A)Phase faults
Q4: Impedance relay may use
A)Balance beam structure
B)Induction cup
Q5: An impedance is relay is a
A)Voltage restrained
Q6: On transient fault OC and impedance relay
A)Under
Q8: The structure used in reactance relay is
A)Induction
Q9: Reactance relay is normally used for protection
Q10: The operating characteristics of the reactance relay
Q11: A reactance relay is
A)Voltage restrained overcurrent relay
B)Voltage
Q12: Reactance relays are used for phase fault
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