A portion of a power system is shown in Fig. which also shows the ratings of the generators and the transformer and their respective percent reactances. A symmetrical short circuit appears on a feeder at F. Find the value of the reactance X (in percent) such that the short- circuit MVA does not exceed 300MVA.

Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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A portion of a power system is shown in Fig. which also shows the ratings of the generators
and the transformer and their respective percent reactances. A symmetrical short circuit
appears on a feeder at F. Find the value of the reactance X (in percent) such that the short-
circuit MVA does not exceed 300MVA.

Set Code 8
Q1. A portion of a power system is shown in Fig. which also shows the ratings of the generators
and the transformer and their respective percent reactances. A symmetrical short circuit
appears on a feeder at F. Find the value of the reactance X (in percent) such that the short-
circuit MVA does not exceed 300MVA.
15 MVA
10MVA
G2
20%
G
uw 35 MVA
mm 10%
20%
ell
XF
Transcribed Image Text:Set Code 8 Q1. A portion of a power system is shown in Fig. which also shows the ratings of the generators and the transformer and their respective percent reactances. A symmetrical short circuit appears on a feeder at F. Find the value of the reactance X (in percent) such that the short- circuit MVA does not exceed 300MVA. 15 MVA 10MVA G2 20% G uw 35 MVA mm 10% 20% ell XF
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