6th Edition

ISBN: 9780078028229

Author: Charles K Alexander, Matthew Sadiku

Publisher: McGraw-Hill Education

Concept explainers

A short transmission line is a transmission line that has a length less than 80 kilometers, an operating voltage level of less than 20 kV, and zero capacitance effect.

Power Flow Analysis

Power flow analysis is a topic in power engineering. It is the flow of electric power in a system. The power flow analysis is preliminary used for the various components of Alternating Current (AC) power, such as the voltage, current, real power, reactiv…

Complex Form

A power system is defined as the connection or network of the various components that convert the non-electrical energy into the electric form and supply the electric form of energy from the source to the load. The power system is an important parameter …

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Textbook Question

Chapter 12.2, Problem 1PP

Given that V b n = 220 ∠ 30 ° V , find V_an and V_cn, assuming a positive (abc) sequence.

Answer: 220 ∠ 150 ° V , 220 ∠ − 90 ° V .

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Chapter 11, Problem 97CP

Chapter 12.3, Problem 2PP

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2) 400 km, 138 kV, 50 Hz transmission line has the following parameters: r=0.106Ω/km,x=0.493Ω/km, y=j3.36 x 10-6 S/km. Losses are neglected.(a) Compute the corresponding ABCD parameters (use T equivalent circuit and derive the relatedequations).

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Chapter 12 Solutions

Fundamentals of Electric Circuits

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Given that V b n = 220 ∠ 30 ° V , find V an and V cn , assuming a positive ( abc ) sequence. Answer: 220 ∠ 150 ° V , 220 ∠ − 90 ° V .

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