# The ABCD constants of a three-phase, 345-kV transmission line are A-D-0.98 182 + 10.00 12447 B-4.035 + j58947 C j0.00061137 The line delivers 400 MVA at 0.8 lagging power factor at 345 kV. Determine the sending end quantities, voltage regulation, and transmission efficiency. Hint: Efficiency is equal to the ratio of active power at the receiving end to the active power at the sending end.

Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
Question

The ABCD constants of a three-phase, 345-kV transmission line are:
A = D = 0.98182 + j0.0012447.
B = 4.035 + j58.947.
C = j0.00061137.
The line delivers 400 MVA at 0.8 lagging power factor at 345 kV. Determine the sending end quantities, voltage regulation, and transmission efficiency.
Hint: Efficiency is equal to the ratio of active power at the receiving end to the active power at the sending end.

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