Problem 7. There is a triphasic line. The line will have a length of 100 km. The drivers are bluejay. 1. Calculate the percentage increase in AC resistance at 50°C, due to the skin effect. 2. Calculate the equivalent resistance of the line, considering an operating temperature of 70°C

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Problem 7. There is a triphasic line. The line will have a length of 100 km. The drivers are bluejay. 1. Calculate the percentage increase in AC resistance at 50°C, due to the skin effect. 2. Calculate the equivalent resistance of the line, considering an operating temperature of 70°C
TABLE A.3
Electrical characteristics of bare aluminum conductors steel-reinforced (ACSR)+
Code word
TENT
Cardinal
Ortolan
Bluejay
Aluminum Stranding Layers of Outside
area, emil
Al/St
BUY,000
TU/T
54/7
954.000
1.033,500 45/7
1,113,000 45/7
De, 20°C.
aluminum diameter, in 1/1,000 ft
W
3
3
3
Resistance
T.TW
1.196
1.213
1.259
U.2301
0.0180
0.0167
0.0155
20°C.
51/mi
B
0.0988
0.0924
0.0861
Ac. 60 Ha
50°C.
0/mi
PS5
0.1082
0.1011
0.0941
GMR
D.. It
0.0350
0.0402
0.0402
0.0415
Reactance per conductor
1-ft spacing, 60 Hz
Inductive.
Xa. 0/mi
8.395
0.390
0.390
0.386
Capacitive
X₂.
Mn-mi
0.0897
0.0890
0.0885
0.0874
Transcribed Image Text:TABLE A.3 Electrical characteristics of bare aluminum conductors steel-reinforced (ACSR)+ Code word TENT Cardinal Ortolan Bluejay Aluminum Stranding Layers of Outside area, emil Al/St BUY,000 TU/T 54/7 954.000 1.033,500 45/7 1,113,000 45/7 De, 20°C. aluminum diameter, in 1/1,000 ft W 3 3 3 Resistance T.TW 1.196 1.213 1.259 U.2301 0.0180 0.0167 0.0155 20°C. 51/mi B 0.0988 0.0924 0.0861 Ac. 60 Ha 50°C. 0/mi PS5 0.1082 0.1011 0.0941 GMR D.. It 0.0350 0.0402 0.0402 0.0415 Reactance per conductor 1-ft spacing, 60 Hz Inductive. Xa. 0/mi 8.395 0.390 0.390 0.386 Capacitive X₂. Mn-mi 0.0897 0.0890 0.0885 0.0874
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