Source: Source 1: Ean = 12020° v; Epn = 1202 – 120° v; Een = 1204120° v (grounded neutral) Zan = Zbn = Zen = 0.1 + j1.5 N %3D %3D %3D Line Impedance: Line 2: Zine a = 1+ j2 N; Ziine b = 1 – j2 N; Zine c = 0 + j2.2361 N Load Impedance: Load 2a: Zab = 40 + j30 N; Zpc = 40 – j30 N; Zca = 50 + j0 N %3D %3D Fault Location: Fault Location 1: Source Side 30 Source Zine 3 Load Types of Faults to be Considered, assuming worst case scenario (Z, = 0): SLGF (line a grounded), LLF (lines a & b connected), 1LO (line a open) Faults not considered: DLGF, TPF, 2LO Find: Under Unbalanced Condition With Faults: b. Load Line Voltages (Vab, Vbc, Vca); c. Load Power Profile (Pr, QT,St,pfr); d. The Fault Current (If)
Source: Source 1: Ean = 12020° v; Epn = 1202 – 120° v; Een = 1204120° v (grounded neutral) Zan = Zbn = Zen = 0.1 + j1.5 N %3D %3D %3D Line Impedance: Line 2: Zine a = 1+ j2 N; Ziine b = 1 – j2 N; Zine c = 0 + j2.2361 N Load Impedance: Load 2a: Zab = 40 + j30 N; Zpc = 40 – j30 N; Zca = 50 + j0 N %3D %3D Fault Location: Fault Location 1: Source Side 30 Source Zine 3 Load Types of Faults to be Considered, assuming worst case scenario (Z, = 0): SLGF (line a grounded), LLF (lines a & b connected), 1LO (line a open) Faults not considered: DLGF, TPF, 2LO Find: Under Unbalanced Condition With Faults: b. Load Line Voltages (Vab, Vbc, Vca); c. Load Power Profile (Pr, QT,St,pfr); d. The Fault Current (If)
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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Transcribed Image Text:Source:
Ean = 12020° v; Epn = 1202 – 120° v; Een = 1202120° v (grounded neutral)
Zan = Zpn = Zen = 0.1 + j1.5 N
Source 1:
%3D
Line Impedance:
Line 2: Zine a = 1+j2 N; Ziine b = 1– j2 N; Zine c = 0 + j2.2361 N
Load Impedance:
Load 2a: Zab = 40 + j30 N; Zpc = 40 – j30 N; Zca = 50 + j0 N
%3D
%3D
%3D
Fault Location:
Fault Location 1: Source Side
30 Source
Zine
30 Load
Types of Faults to be Considered, assuming worst case scenario (Z, = 0):
SLGF (line a grounded), LLF (lines a & b connected), 1LO (line a open)
Faults not considered: DLGF, TPF, 2LO
Find:
Under Unbalanced Condition With Faults:
b. Load Line Voltages (Vab, Vpc, Vca);
c. Load Power Profile (PT, QT,St,pfr);
d. The Fault Current (I;)
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