(a) Conductors of a 3-phase line are arranged at the corners of a triangle of sides 15, 15, and 18 meters. The diameter of each line conductor is 1 cm. Calculate the Inductance per phase per km (L1) for this arrangement. Calculate Inductance per phase per km(L2) if the spacing between the conductors are reduced to quarter.

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(a) Conductors of a 3-phase line are arranged at the corners of a triangle of
sides 15, 15, and 18 meters. The diameter of each line conductor is 1 cm.
Calculate the Inductance per phase per km (L1) for this arrangement.
Calculate Inductance per phase per km(L2) if the spacing between the
conductors are reduced to quarter.
(b)Draw the positive, negative and zero sequence diagram of the Fig shown.
Zero sequence line reactance is 60% ,machines X0 = 3%, Xn = 2%
j0.08 p.u
x"d - jo.4 p.u
x"d - jo.4 p.u
j0 08 p.u
jo 18 p u
Inductance in mH per Phase per Km for Arrangement 1 (L1)
Inductance in mH per phase per km for Arrangement 2 (L2)
Transcribed Image Text:(a) Conductors of a 3-phase line are arranged at the corners of a triangle of sides 15, 15, and 18 meters. The diameter of each line conductor is 1 cm. Calculate the Inductance per phase per km (L1) for this arrangement. Calculate Inductance per phase per km(L2) if the spacing between the conductors are reduced to quarter. (b)Draw the positive, negative and zero sequence diagram of the Fig shown. Zero sequence line reactance is 60% ,machines X0 = 3%, Xn = 2% j0.08 p.u x"d - jo.4 p.u x"d - jo.4 p.u j0 08 p.u jo 18 p u Inductance in mH per Phase per Km for Arrangement 1 (L1) Inductance in mH per phase per km for Arrangement 2 (L2)
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