Q2: Rights of way for transmission circuits are difficult to obtain in urban areas, and cxisting lines are often upgraded by reconductoring the line with larger conductors or by reinsulating the line for operation a t higher voltage. Thermal considerations and maximum power which the line can transmit are the important considerations. A 138-kY line is 50 km long and is composed of Partridge conductors with fiat horizontal spacing of 5 m between adjacent conductors. Neglect resistance and find the percent increase in power which can be transmitted for constant IVsl and IVRI while o is limited to 45° (a) If the Partridge conductor is replaced by Osprey, which has more than twice the area of aluminum in square millimeters. (b) If a second Partridge conductor is placed in a two-conductor bundle 40 cm from the original conductor and a center-to-center distance between bundles of 5 m, and (c)If the voltage of the original line is raised to 230 k V with increased conductor spacing of 8 m.

Q2: Rights of way for transmission circuits are difficult to obtain in urban areas, and cxisting lines are often upgraded by reconductoring the line with larger conductors or by reinsulating the line for operation a t higher voltage. Thermal considerations and maximum power which the line can transmit are the important considerations. A 138-kY line is 50 km long and is composed of Partridge conductors with fiat horizontal spacing of 5 m between adjacent conductors. Neglect resistance and find the percent increase in power which can be transmitted for constant IVsl and IVRI while o is limited to 45° (a) If the Partridge conductor is replaced by Osprey, which has more than twice the area of aluminum in square millimeters. (b) If a second Partridge conductor is placed in a two-conductor bundle 40 cm from the original conductor and a center-to-center distance between bundles of 5 m, and (c)If the voltage of the original line is raised to 230 k V with increased conductor spacing of 8 m.

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 4.49P

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Similar questions

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