A three-phase, 50 Hz, 220 km 765kV transmission line (between Perth-sending endand Busselton-receiving end) has the positive-sequence series-impedance, and shunt-admittance found below.z, = 0.06 + j0.3 [0/km]Y1 = j4 x 10-6 [S/km]a) Obtain ABCD parameters using the nominal t model.b) Obtain sending voltage V, and the current I, at Perth end. Where the load atBusselton absorbs 500 MVA at the power factor 1.0 and the voltage 765 kV.

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a) Obtain ABCD parameters using the nominal t model. b) Obtain sending voltage V, and the current I, at Perth end. Where the load at Busselton absorbs 500 MVA at the power factor 1.0 and the voltage 765 kV.

a) Obtain ABCD parameters using the nominal t model. b) Obtain sending voltage V, and the current I, at Perth end. Where the load at Busselton absorbs 500 MVA at the power factor 1.0 and the voltage 765 kV.

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

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Concept explainers

Distribution System

The final stage in the delivery of the electric power is the electric power distribution system. From the transmission system to the individual customers it carries electricity. The distribution system is connected with the transmission system and is used to lower the voltage of the transmission to medium voltage in the range of 2 kV to 35 kV with the help of transformers. This medium voltage to the distribution transformers located near the customer's premises is carried by the primary distribution system lines. These distribution transformers in turn lower the voltage to utilization voltage used in lightings, household appliances, industrial equipments etc. Through secondary distribution lines often several customers are supplied from one transformer. It is through service drops, the commercial and residential customers are connected to the secondary distribution system lines. Customers who demand a larger amount of power can be connected directly to the primary distribution system level or the sub-transmission level.

Question

A three-phase, 50 Hz, 220 km 765kV transmission line (between Perth-sending end
and Busselton-receiving end) has the positive-sequence series-impedance, and shunt-
admittance found below.
z, = 0.06 + j0.3 [0/km]
Y1 = j4 x 10-6 [S/km]
a) Obtain ABCD parameters using the nominal t model.
b) Obtain sending voltage V, and the current I, at Perth end. Where the load at
Busselton absorbs 500 MVA at the power factor 1.0 and the voltage 765 kV.

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