Multiple Choice
A differential relay response to
A) Algebraic difference of two or more similar electrical quantities
B) Phasor difference of two or more similar electrical quantities
C) Algebraic difference between two currents
D) Algebraic difference between two voltages
Correct Answer:

Verified
Correct Answer:
Verified
Q1: In a biased differential relay the bias
Q2: A reactance relay is<br>A)Voltage restrained overcurrent relay<br>B)Voltage
Q3: Reactance relays are used for phase fault
Q4: Impedance relay may use<br>A)Balance beam structure<br>B)Induction cup
Q6: In an inverse definite minimum time, electromagnetic
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