In the power system whose single line diagram is shown below, the line cross section is 95 mm2, the intrinsic conductivity coefficient is 34 m/ohm.mm2 and the inductive reactance of the line is given as 0.4 ohm/km. According to these values; a) Calculate the active, reactive and visible components of the currents passing through each line segment. b) Find the location and value of the largest voltage drop.

EBK ELECTRICAL WIRING RESIDENTIAL
19th Edition
ISBN:9781337516549
Author:Simmons
Publisher:Simmons
Chapter1: General Information For Electrical Installations
Section: Chapter Questions
Problem 14R
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In the power system whose single line diagram is shown below, the line cross section is 95 mm2, the intrinsic conductivity coefficient is 34
m/ohm.mm2 and the inductive reactance of the line is given as 0.4 ohm/km. According to these values;

 

a) Calculate the active, reactive and visible components of the currents passing through each line segment.
b) Find the location and value of the largest voltage drop.

50 kVA
25 kW
cos.= 0,6
700 m
cos = 0,8
400 m
B
400 m
U.=10 kV
1200m
C
100KVA
cog =0,75
Transcribed Image Text:50 kVA 25 kW cos.= 0,6 700 m cos = 0,8 400 m B 400 m U.=10 kV 1200m C 100KVA cog =0,75
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