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On a base of 25 MVA , 11 kV the generator has reactances X,=X;=X;=0.2 pu and X = 0.06 pu . It is Y configured and the neutral is grounded through an impedance j 2.52. On a base of 15MVA, 11KV motor M; has reactances X;=X;=X=0.25 pu and X g=0.06 pu . It is Y configured and the neutral is isolated. On a base of 7.5 MVA , 11 kV motor M, has reactances X;=X;=X;=0.25 pu and X =0.06 pu . It is Y configured and the neutral is grounded through an impedance j 2.52. Both transformers are rated 30 MVA, 11kV(A)-120kV(Y) with reactance X=0.1pu . The neutral of the Y is solidly grounded. The transmission line reactances are labeled. Draw the positive-, negative-, and zero-sequence equivalent circuits.

On a base of 25 MVA , 11 kV the generator has reactances X,=X;=X;=0.2 pu and X = 0.06 pu . It is Y configured and the neutral is grounded through an impedance j 2.52. On a base of 15MVA, 11KV motor M; has reactances X;=X;=X=0.25 pu and X g=0.06 pu . It is Y configured and the neutral is isolated. On a base of 7.5 MVA , 11 kV motor M, has reactances X;=X;=X;=0.25 pu and X =0.06 pu . It is Y configured and the neutral is grounded through an impedance j 2.52. Both transformers are rated 30 MVA, 11kV(A)-120kV(Y) with reactance X=0.1pu . The neutral of the Y is solidly grounded. The transmission line reactances are labeled. Draw the positive-, negative-, and zero-sequence equivalent circuits.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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M)Y j 2.50 my(G X,=X,=100N X,=3002 j 2.52 AY Δ On a base of 25 MVA , 11 kV the generator has reactances X,=X,=X;=0.2 pu and X= 0.06 pu . It is Y configured and the neutral is grounded through an impedance j 2.50. On a base of 15MVA, 11kV motor M, has reactances X;=X;=X=0.25 pu and X =0.06 pu . It is Y configured and the neutral is isolated. On a base of 7.5 MVA , 11kV motor M, has reactances X;=X,=X=0.25 pu and X =0.06 pu . It is Y configured and the neutral is grounded through an impedance j2.52. Both transformers are rated 30 MVA, 11kV(A)-120kV(Y) with reactance X=0.1 pu . The neutral of the Y is solidly grounded. The transmission line reactances are labeled. Draw the positive-, negative-, and zero-sequence equivalent circuits.
Transcribed Image Text:M)Y j 2.50 my(G X,=X,=100N X,=3002 j 2.52 AY Δ On a base of 25 MVA , 11 kV the generator has reactances X,=X,=X;=0.2 pu and X= 0.06 pu . It is Y configured and the neutral is grounded through an impedance j 2.50. On a base of 15MVA, 11kV motor M, has reactances X;=X;=X=0.25 pu and X =0.06 pu . It is Y configured and the neutral is isolated. On a base of 7.5 MVA , 11kV motor M, has reactances X;=X,=X=0.25 pu and X =0.06 pu . It is Y configured and the neutral is grounded through an impedance j2.52. Both transformers are rated 30 MVA, 11kV(A)-120kV(Y) with reactance X=0.1 pu . The neutral of the Y is solidly grounded. The transmission line reactances are labeled. Draw the positive-, negative-, and zero-sequence equivalent circuits.
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