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The zero-, positive-, and negative-sequence bus impedance matrices for a three-bus three-phase power system are: r0.10 0. Zbus 0 = j 0.20 per unit 0.10 [0.12 0.08 0.04 Zbus 1 = Z bus 2=j0.08 0.12 0.06 0.04 0.06 0.08 The prefault voltage is 1.0 per unit. Determine the per-unit fault current and per-unit voltage at bus 2 for: a) A bolted three phase fault at bus 1 b) A bolted single line-to-ground fault at bus 1. c) A bolted line-to-line fault at bus 1. d) A bolted double line-to-ground fault at bus 1.

The zero-, positive-, and negative-sequence bus impedance matrices for a three-bus three-phase power system are: r0.10 0. Zbus 0 = j 0.20 per unit 0.10 [0.12 0.08 0.04 Zbus 1 = Z bus 2=j0.08 0.12 0.06 0.04 0.06 0.08 The prefault voltage is 1.0 per unit. Determine the per-unit fault current and per-unit voltage at bus 2 for: a) A bolted three phase fault at bus 1 b) A bolted single line-to-ground fault at bus 1. c) A bolted line-to-line fault at bus 1. d) A bolted double line-to-ground fault at bus 1.

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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Problem 6 The zero-, positive-, and negative-sequence bus impedance matrices for a three-bus three-phase power system are: [0.10 Zbus 0 = j 0.20 per unit 0.10 [0.12 0.08 0.04 Zbus 1 = Z bus 2 = j|0.08 0.12 0.06 0.04 0.06 0.08 The prefault voltage is 1.0 Determine the per-unit fault current and per-unit voltage at bus 2 for: per unit. a) A bolted three phase fault at bus 1 b) A bolted single line-to-ground fault at bus 1. c) A bolted line-to-line fault at bus 1. d) A bolted double line-to-ground fault at bus 1.
Transcribed Image Text:Problem 6 The zero-, positive-, and negative-sequence bus impedance matrices for a three-bus three-phase power system are: [0.10 Zbus 0 = j 0.20 per unit 0.10 [0.12 0.08 0.04 Zbus 1 = Z bus 2 = j|0.08 0.12 0.06 0.04 0.06 0.08 The prefault voltage is 1.0 Determine the per-unit fault current and per-unit voltage at bus 2 for: per unit. a) A bolted three phase fault at bus 1 b) A bolted single line-to-ground fault at bus 1. c) A bolted line-to-line fault at bus 1. d) A bolted double line-to-ground fault at bus 1.
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