2) Capacitance of a three-phase line with equilateral spacing, and a three-phase 60-Hz linehas flat horizontal spacing, the conductors have an outside diameter of 3.2x cm with lq mbetween conductors.(a) Determine the capacitive reactance to neutral in Ohm-meters and the capacitive reactanceof the line in Ohms if its length is 200 km.(b) Solve the above problem while taking into account the effect of ground. Assume that theconductors are horizontally placed 2p m above ground. (Roll=pqxy)

Given Conductor diameter,d =3.2×cmr=d2=3.22=1.64 cmDistance between conductors…

Answered: 2) Capacitance of a three-phase line…

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter4: Transmission Line Parameters

Section: Chapter Questions

Problem 4.23P

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moodle.nct.edu.om/mod rning Portal Courses - Reports - e-Services - Academic Departments ETC - CIMS - Three conductors of a 3-phase overhead line are arranged in a horizontal plane in the order a-b-c, distance between a and b is 6 m, b and c is spaced 6 m apart. The diameter of each line conductor is 2.5 cm. Calculate the Capacitance per phase per km (L1) for this arrangement. Calculate Capacitance per phase per km(L2) if the spacing between the conductors are reduced by half. Calculate the Ratio of C2 with respect to C1. Capacitance in nF per Phase per Km for Arrangement 1 (C1) Capacitance in nF per phase per km for Arrangement 2 (C2) Ratio of C2 to C1 A 3-phase, 50 Hz, 60 km long overhead line supplies 1400 kW at 11 kV, 0.7 p.f. lagging. The line resistance is 0.025 Q per phase per km and line inductance is 0.8 mH per phase per km. Calculate the sending end voltage voltage regulation and efficiency of transmission. Sending End Voltage
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