A 3-phase system has a single phase to earth fault (i.e. phase A is short circuit to earth while phase B and C are healthy). The equivalent impedances are Z+=j0.4pu, Z_=j0.3pu, Zo-j0.1pu. Calculate the per-unit phase A current /A. с B A Oj3.65pu O-13.95pu O -j3.75pu O -j3.85pu O -j4.05pu Ⓡ

A 3-phase system has a single phase to earth fault (i.e. phase A is short circuit to earth while phase B and C are healthy). The equivalent impedances are Z+=j0.4pu, Z_=j0.3pu, Zo-j0.1pu. Calculate the per-unit phase A current /A. с B A Oj3.65pu O-13.95pu O -j3.75pu O -j3.85pu O -j4.05pu Ⓡ

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

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Concept explainers

Single Phase AC Circuit

Alternating Current (AC) is a type of electric power in which the electric current changes, both in magnitude and direction, at regular intervals. This AC Circuits can deliver power in either a Single Phase system or a Three Phase system.

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A 3-phase system has a single phase to earth fault (i.e. phase A is short circuit to earth while phase B and Care healthy). The equivalent impedances are Z+=j0.4pu, Z_=j0.3pu,
Zo=j0.1pu. Calculate the per-unit phase A current /A.
C
B
A
용
Oj3.65pu
-j3.95pu
○ -j3.75pu
-j3.85pu
O-j4.05pu

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