Q2(a) Figure Q2(a) shows the spacing of a double circuit 3-phase overhead line. The phase sequence is UVW and the line is completely transposed. i) Critically assess the advantages of double circuit line over single circuit line ii) Calculate the inductance per phase for 500 meter length of line using Table 2(a) data for the Figure Q2(a). Table 2(a) GMR of the line Distance a-b' Distance c-c' 0.01m 6.m 8.3m Figure Q2(a)

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Q2(a) Figure Q2(a) shows the spacing of a double circuit 3-phase overhead
line. The phase sequence is UVW and the line is completely transposed.
i)
Critically assess the advantages of double circuit line over
single circuit line
Calculate the inductance per phase for 500 meter length of
line using Table 2(a) data for the Figure Q2(a).
Table 2(a)
GMR of the line
0.01m
Distance a-b'
6.m
Distance c-c'
8.3m
a
b
Figure Q2(a)
Transcribed Image Text:Q2(a) Figure Q2(a) shows the spacing of a double circuit 3-phase overhead line. The phase sequence is UVW and the line is completely transposed. i) Critically assess the advantages of double circuit line over single circuit line Calculate the inductance per phase for 500 meter length of line using Table 2(a) data for the Figure Q2(a). Table 2(a) GMR of the line 0.01m Distance a-b' 6.m Distance c-c' 8.3m a b Figure Q2(a)
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