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1. A 100-MVA, 33kV, three phase generator has a reactance of 15%. The generator is connected to the motors through a transmission line and transformers as shown in the figure below. Motors have inputs of 40MVA, 30MVA, and 20MVA at 30kV with 20% reactance each. Draw the per-unit circuit diagram. Use Sbase = 120MVA M) 40 MVA. X"0.20 pu 60 A (M,) 30 MVA, K 0.20 pu YA 110 MVA 110/32 kV 110MVA 100 MVA. 33 kV M) 20 MVA, X-0.20 pu A-Y 0.15 pu 32/110 kV X,0.08 pu X,-0.08 pu

1. A 100-MVA, 33kV, three phase generator has a reactance of 15%. The generator is connected to the motors through a transmission line and transformers as shown in the figure below. Motors have inputs of 40MVA, 30MVA, and 20MVA at 30kV with 20% reactance each. Draw the per-unit circuit diagram. Use Sbase = 120MVA M) 40 MVA. X"0.20 pu 60 A (M,) 30 MVA, K 0.20 pu YA 110 MVA 110/32 kV 110MVA 100 MVA. 33 kV M) 20 MVA, X-0.20 pu A-Y 0.15 pu 32/110 kV X,0.08 pu X,-0.08 pu

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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1. A 100-MVA, 33kV, three phase generator has a reactance of 15%. The generator is connected to the motors through a transmission line and transformers as shown in the figure below. Motors have inputs of 40MVA, 30MVA, and 20MVA at 30kV with 20% reactance each. Draw the per-unit circuit diagram. Use Sbase = 120MVA M) 40 MVA. X- 0.20 pu 60A (M) 30 MVA, X -0.20 pu 110MVA 100 MVA, 33 kV 110 MVA 110/32 kV A-Y M.) 20 MVA, X 0.20 pu X,=0.15 pu 32/110 kV X, =0.08 pu X,- 0.08 pu
Transcribed Image Text:1. A 100-MVA, 33kV, three phase generator has a reactance of 15%. The generator is connected to the motors through a transmission line and transformers as shown in the figure below. Motors have inputs of 40MVA, 30MVA, and 20MVA at 30kV with 20% reactance each. Draw the per-unit circuit diagram. Use Sbase = 120MVA M) 40 MVA. X- 0.20 pu 60A (M) 30 MVA, X -0.20 pu 110MVA 100 MVA, 33 kV 110 MVA 110/32 kV A-Y M.) 20 MVA, X 0.20 pu X,=0.15 pu 32/110 kV X, =0.08 pu X,- 0.08 pu
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