A 3-phase, 50 Hz, 66 kV overhead line conductors are placed in horizontal plane as shown in Figure Q3(b). The conductor diameter i 1-25 cm. If the line length is 200 km, calculate : (1) capacitance between two conductor; (ii) leakage current per phase, assuming complete transposition of the line and (ii) capacitance between two conductors of a 3-phase line and explain how capacitance exist between the two conductors.

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A 3-phase, 50 Hz, 66 kV overhead line conductors are placed in a
horizontal plane as shown in Figure Q3(b). The conductor diameter is
1-25 cm. If the line length is 200 km, calculate :
(1)
capacitance between two conductor;
(ii)
leakage current per phase, assuming complete transposition
of the line and
(ii)
capacitance between two conductors of a 3-phase line and
explain how capacitance exist between the two conductors.
Figure Q3(b)
-2m
-2,5m-
-4,5m-
Transcribed Image Text:A 3-phase, 50 Hz, 66 kV overhead line conductors are placed in a horizontal plane as shown in Figure Q3(b). The conductor diameter is 1-25 cm. If the line length is 200 km, calculate : (1) capacitance between two conductor; (ii) leakage current per phase, assuming complete transposition of the line and (ii) capacitance between two conductors of a 3-phase line and explain how capacitance exist between the two conductors. Figure Q3(b) -2m -2,5m- -4,5m-
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