Source: Ean = 12020° v; Eon = 1202 – 120° v; Een = 1204120° v (grounded neutral) Zan = Zpn = Zen = 0.1 + j1.5 N Line Impedance: Zline a = Zline b = Ztine c = 1 +j2 N; Load Impedance: Load 2b: Zan = 12 + j9 N; Zpn = 12 – j9 N; Zen = 15 + j0 N (ungrounded neutral) Find: Under Unbalanced Condition With Faults: a. Load Line Currents (Ia, Ib,Ic); b. Load Line Voltages (Vab, Vpe, Vca); c. Load Power Profile (Pr, Qr,St,pfr); d. The Fault Current (If) 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)
Source: Ean = 12020° v; Eon = 1202 – 120° v; Een = 1204120° v (grounded neutral) Zan = Zpn = Zen = 0.1 + j1.5 N Line Impedance: Zline a = Zline b = Ztine c = 1 +j2 N; Load Impedance: Load 2b: Zan = 12 + j9 N; Zpn = 12 – j9 N; Zen = 15 + j0 N (ungrounded neutral) Find: Under Unbalanced Condition With Faults: a. Load Line Currents (Ia, Ib,Ic); b. Load Line Voltages (Vab, Vpe, Vca); c. Load Power Profile (Pr, Qr,St,pfr); d. The Fault Current (If) 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)
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:Fault Location 2: Load Side
30 Source
ZLine
30 Load
Source:
Ean = 12020° v; Epn = 1204 – 120° v; Een = 1204120° v (grounded neutral)
Zan = Zbn = Zen = 0.1 + j1.5 N
Line Impedance:
Zine a = Ztine b = Zline c = 1 + j2 N;
Load Impedance:
Load 2b: Zan = 12 + j9 N; Zpm = 12 – j9 N; Zen = 15 + j0 2 (ungrounded neutral)
Find:
Under Unbalanced Condition With Faults:
a. Load Line Currents (Ia, Ib, Ie);
b. Load Line Voltages (Vab, Vpc, Vca);
c. Load Power Profile (Pr, QT, ST,pfr);
d. The Fault Current (If)
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)
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