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A 100 MVA, 33 kV, three phase generator has a reactance of 15%. The generator is connected to the motors through a transmission line and transformers as shown in Fig. 5.14. Motors have rated inputs of 40 MVA, 30 MVA and 20 MVA at 30 kV with 20% reactance-each. Draw the per-unit circuit diagram. (м) 40 MVA, X1 %3D0.20 рu T, T, 38 60 Ω (M2) 30 MVA, xm2 = 0.20 pu 100 MVA, 33 kV Y A 110 MVA 110/32 kV 110MVA A-Y (M) 20 MVA, xm3 = 0.20 pu x, = 0.15 pu 32/110 kV X1, = 0.08 pu X7, = 0.08 pu Fig. 5.14: Single-line diagram.

A 100 MVA, 33 kV, three phase generator has a reactance of 15%. The generator is connected to the motors through a transmission line and transformers as shown in Fig. 5.14. Motors have rated inputs of 40 MVA, 30 MVA and 20 MVA at 30 kV with 20% reactance-each. Draw the per-unit circuit diagram. (м) 40 MVA, X1 %3D0.20 рu T, T, 38 60 Ω (M2) 30 MVA, xm2 = 0.20 pu 100 MVA, 33 kV Y A 110 MVA 110/32 kV 110MVA A-Y (M) 20 MVA, xm3 = 0.20 pu x, = 0.15 pu 32/110 kV X1, = 0.08 pu X7, = 0.08 pu Fig. 5.14: Single-line diagram.

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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A 100 MVA, 33 kV, three phase generator has a reactance of 15%. The generator is connected to the motors through a transmission line and transformers as shown in Fig. 5.14. Motors have rated inputs of 40 MVA, 30 MVA and 20 MVA at 30 kV with 20% reactance-each. Draw the per-unit circuit diagram. (м) 40 MVA, X1 %3D 0.20 рu T, T, 60 Ω (M2) 30 MVA, x,m2 = 0.20 pu 100 MVA, 33 kV Y A 110 MVA 110/32 kV 110MVA A-Y (M.) 20 MVA, xmg = 0.20 pu x, = 0.15 pu 32/110 kV X1, = 0.08 pu X7, = 0.08 pu Fig. 5.14: Single-line diagram.
Transcribed Image Text:A 100 MVA, 33 kV, three phase generator has a reactance of 15%. The generator is connected to the motors through a transmission line and transformers as shown in Fig. 5.14. Motors have rated inputs of 40 MVA, 30 MVA and 20 MVA at 30 kV with 20% reactance-each. Draw the per-unit circuit diagram. (м) 40 MVA, X1 %3D 0.20 рu T, T, 60 Ω (M2) 30 MVA, x,m2 = 0.20 pu 100 MVA, 33 kV Y A 110 MVA 110/32 kV 110MVA A-Y (M.) 20 MVA, xmg = 0.20 pu x, = 0.15 pu 32/110 kV X1, = 0.08 pu X7, = 0.08 pu Fig. 5.14: Single-line diagram.
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