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A three-phase short circuit occurs at F in the system of Fig. 6-25. The generator is loaded to 80 percent of its capacity at the time of the fault, and the receiving-end power factor is unity. Determine the rms per-unit current in one phase at F just after the occurrence of the fault. Ans. 6.02 p 0.6 pu 0.1 pu 0.1 pu Infinite bus G 1.0 pu 0.6 pu X4 = 0.8 pu X' = 0.3 pu X," = 0.23 pu Fig. 6-25. Zulu S mm Zulu S mm

A three-phase short circuit occurs at F in the system of Fig. 6-25. The generator is loaded to 80 percent of its capacity at the time of the fault, and the receiving-end power factor is unity. Determine the rms per-unit current in one phase at F just after the occurrence of the fault. Ans. 6.02 p 0.6 pu 0.1 pu 0.1 pu Infinite bus G 1.0 pu 0.6 pu X4 = 0.8 pu X' = 0.3 pu X," = 0.23 pu Fig. 6-25. Zulu S mm Zulu S mm

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 three-phase short circuit occurs at F in the system of Fig. 6-25. The generator is loaded to 80 percent of its capacity at the time of the fault, and the receiving-end power factor is unity. Determine the rms per-unit current in one phase at F just after the occurrence of the fault. Ans. 6.02 p 0.6 pu 0.1 pu 0.1 pu Infinite bus G 1.0 pu 0.6 pu X4 = 0.8 pu X = 0.3 pu X," = 0.23 pu Fig. 6-25. Zulu S mm Zulu S mm
Transcribed Image Text:A three-phase short circuit occurs at F in the system of Fig. 6-25. The generator is loaded to 80 percent of its capacity at the time of the fault, and the receiving-end power factor is unity. Determine the rms per-unit current in one phase at F just after the occurrence of the fault. Ans. 6.02 p 0.6 pu 0.1 pu 0.1 pu Infinite bus G 1.0 pu 0.6 pu X4 = 0.8 pu X = 0.3 pu X," = 0.23 pu Fig. 6-25. Zulu S mm Zulu S mm
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