Question)61A 1O MWpower is tansimitled csNer the,3-wire transmission line. The length3-phaseof the lineis s00 Ken and transmission efficiencyis 90%Condufctorくe made od Aluminじmresisdivitythe nequired conductor volume for aof of.havingof 2x109 mi Find cetbggingpowerfacor

Question). 61 A 10 MW power is tansmitled coNer the 3-phase 3-wire transmission line. The length of the line is 10D Km and trancmission efficiency is 90%% Condufctor is made of Aluminum resisdivity hequired conductor volume for facbr of od. having of 2x109 smi Find ct the bgging power

Question). 61 A 10 MW power is tansmitled coNer the 3-phase 3-wire transmission line. The length of the line is 10D Km and trancmission efficiency is 90%% Condufctor is made of Aluminum resisdivity hequired conductor volume for facbr of od. having of 2x109 smi Find ct the bgging power

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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Single Phase AC Circuit

Alternating Current (AC) is a type of electric power in which the electric current changes, both in magnitude and direction, at regular intervals. This AC Circuits can deliver power in either a Single Phase system or a Three Phase system.

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Question 1) A 154 kV transmission line has a length of 100 km. The line and the conductors are given in Figure 1. The line is operated at f= 50 Hz. For both old and new lines calculate; a. GMD and GMR. b. Inductance of the line in Henries (H). c. Series Impedance (Z) of the line in Ohms. d. *Compare the results for both lines and comment on the results. e. *If the distance between the two neighbouring conductors is increase from 13 meters to 15 meters what would be the parameters in part a.,b. and c. comment on the results. New Line's Conductors 13 m 13 m Old Line's Conductors d r = 2 cm d = 40 cm r = 2 cm Figure 1
Q2: The constants of a 275 KV transmission line are A = 0.8525° and B = 200275° 0/phase. Draw the circle diagram to determine the power and power angle at unity power factor that can be received if the voltage profile at each end is to be maintained at 275 KV. What type a rating of compensating equipment will be required if the load is 150 MW at unity power factor with same voltage profile. (5.5 mark)
None
2.5 A 3-phase single circuit bundled conductor line with two sub-conductors per phase has horizontal spacing with 6.1 m between the centre lines of adjacent phases. The distance between the sub- conductors of each phase is 30.5 cm and each sub-conductor has a diameter of 2.54 cm. Find the inductance per phase per km. [0.988 mH]