According to IEEE, “a system or a portion of a system can be said to be effectively grounded when for all points on the system or specified portion thereof, the ratio of zero sequence reactance to positive sequence reactance (X0 / X1) and the ratio of zero sequence resistance to positive sequence resistance (R0 / R1) should be __________.”

Question

According to IEEE, “a system or a portion of a system can be said to be effectively grounded when for all points on the system or specified portion thereof, the ratio of zero sequence reactance to positive sequence reactance (X0 / X­1) and the ratio of zero sequence resistance to positive sequence resistance (R0 / R1) should be __________.”

TuteeHUB · Accepted Answer

(X0 / X1) not greater than 0.2 and (R0 / R1) not greater than 0.3

TuteeHUB · Answer

(X0 / X1) not greater than 0.3 and (R0 / R1) not greater than 0.1

TuteeHUB · Answer

(X0 / X1) not greater than 3 and (R0 / R1) not greater than 1

TuteeHUB · Answer

(X0 / X1) not greater than 2 and (R0 / R1) not greater than 3

1.	According to IEEE, “a system or a portion of a system can be said to be effectively grounded when for all points on the system or specified portion thereof, the ratio of zero sequence reactance to positive sequence reactance (X0 / X1) and the ratio of zero sequence resistance to positive sequence resistance (R0 / R1) should be __________.”
A.	(X0 / X1) not greater than 0.3 and (R0 / R1) not greater than 0.1
B.	(X0 / X1) not greater than 3 and (R0 / R1) not greater than 1
C.	(X0 / X1) not greater than 0.2 and (R0 / R1) not greater than 0.3
D.	(X0 / X1) not greater than 2 and (R0 / R1) not greater than 3
Answer» C. (X0 / X1) not greater than 0.2 and (R0 / R1) not greater than 0.3

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