A transmission line that has a resistance per unit length of 4.30 x 104 n /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 600 kV? ] kw (b) What fraction of the input power is lost to the line under these circumstances? P / P = loss (c) What difficulties would be encountered in attempting to transmit the 5.00 MW at the generator voltage of 4.50 kV? Please Box Answer

A transmission line that has a resistance per unit length of 4.30 x 104 n /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 600 kV? ] kw (b) What fraction of the input power is lost to the line under these circumstances? P / P = loss (c) What difficulties would be encountered in attempting to transmit the 5.00 MW at the generator voltage of 4.50 kV? Please Box Answer

College Physics

10th Edition

ISBN:9781285737027

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter21: Alternating-Current Circuits And Electromagnetic Waves

Section: Chapter Questions

Problem 47P

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