Numerical - Computation of C parameter by nominal T method for given parameters

Q.  What is the value of the C parameter by using a nominal T method for a 3 phase balanced load of 30 MW which is supplied by a 132 kV, 50 Hz and 0.85 pf lagging? The series impedance of a single conductor is (20 + j52) Ω and the total phase to neutral admittance is 315 * 10-6 siemen.
- Published on 25 Nov 15

a. 0.000315 ∠ 90
b. 0.000251 ∠ 90
c. 0.004125 ∠ 90
d. 0.000289 ∠ 90

ANSWER: 0.000315 ∠ 90

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