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A transmission line that has a resistance per unit length of 5.40 x 10-40 /m is to be used to transmit 5.00 MW over 400 miles (6.44 x 105 m). The output voltage of the generator is 4.50 kV. (a) What is the line loss if a transformer is used to step up the voltage to 510 kV? kW (b) What fraction of the input power is lost to the line under these circumstances? Ploss / P = (c) What difficulties would be encountered in attempting to transmit the 5.00 MW at the generator voltage of 4.50 kV?

A transmission line that has a resistance per unit length of 5.40 x 10-40 /m is to be used to transmit 5.00 MW over 400 miles (6.44 x 105 m). The output voltage of the generator is 4.50 kV. (a) What is the line loss if a transformer is used to step up the voltage to 510 kV? kW (b) What fraction of the input power is lost to the line under these circumstances? Ploss / P = (c) What difficulties would be encountered in attempting to transmit the 5.00 MW at the generator voltage of 4.50 kV?

Introductory Circuit Analysis (13th Edition)
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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A transmission line that has a resistance per unit length of 5.40 × 10-4 0 /m is to be used to transmit 5.00 MW over 400 miles (6.44 x 10° m). The output voltage of the generator is 4.50 kV. (a) What is the line loss if a transformer is used to step up the voltage to 510 kV? kW (b) What fraction of the input power is lost to the line under these circumstances? loss / P = (c) What difficulties would be encountered in attempting to transmit the 5.00 MW at the generator voltage of 4.50 kV?
Transcribed Image Text:A transmission line that has a resistance per unit length of 5.40 × 10-4 0 /m is to be used to transmit 5.00 MW over 400 miles (6.44 x 10° m). The output voltage of the generator is 4.50 kV. (a) What is the line loss if a transformer is used to step up the voltage to 510 kV? kW (b) What fraction of the input power is lost to the line under these circumstances? loss / P = (c) What difficulties would be encountered in attempting to transmit the 5.00 MW at the generator voltage of 4.50 kV?
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