The one-line diagram of a power system is shown in the figure below. A single-line-to-ground (SLG) fault occurs at bus 2. Assume the fault impedance Z,= j0.08 pu. Calculatethe fault current (in per unit).T,2MLineX, = X2 = 40 NXo =1200%3D100 MVA13.8 kV100 MVA100 MVAX, = 0.15 13.8-kVA/138-kVYX = 0.10 per unit138-kV Y/13.8-kV A100 MVAX2 = 0.17X = 0.10 per unit13.8 kVX, = 0.20X2 = 0.21Xo = 0.10X, = 0.05 per unitXo = 0.05 per unit

A single line to ground fault occurs at bus 2. So the fault current will be- Ea=Genetaror terminal…

The one-line diagram of a power system is shown in the figure below. A single-line-to- ground (SLG) fault occurs at bus 2. Assume the fault impedance Zj=j0.08 pu. Calculate the fault current (in per unit). 2 M Line X, = X2 = 40 N 1 Xo = 1200 100 MVA 13.8 kV 100 MVA 100 MVA X, = 0.15 X2 = 0.17 X, = 0.05 per unit 138-kV Y/13.8-kV A X = 0.10 per unit 13.8-kVA/138-kVY 100 MVA X = 0.10 per unit 13.8 kV X, = 0.20 X2 = 0.21 0 10

The one-line diagram of a power system is shown in the figure below. A single-line-to- ground (SLG) fault occurs at bus 2. Assume the fault impedance Zj=j0.08 pu. Calculate the fault current (in per unit). 2 M Line X, = X2 = 40 N 1 Xo = 1200 100 MVA 13.8 kV 100 MVA 100 MVA X, = 0.15 X2 = 0.17 X, = 0.05 per unit 138-kV Y/13.8-kV A X = 0.10 per unit 13.8-kVA/138-kVY 100 MVA X = 0.10 per unit 13.8 kV X, = 0.20 X2 = 0.21 0 10

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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