Answered: 0.8 Q 0.5 Ω 's 1|100 A i, 80 A 1st…

Engineering

Electrical Engineering

0.8 Q 0.5 Ω 's 1|100 A i, 80 A 1st Floor Load 2nd Floor Load 480 V 0.5 N 0.S N

Electric Motor Control

10th Edition

ISBN:9781133702818

Author:Herman

Publisher:Herman

Chapter3: Magnetic Starters

Section: Chapter Questions

Problem 30SQ

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Concept explainers

HVDC

HVDC stands for high voltage direct current in the electric power transmission system. The high voltage direct current system uses direct current (DC) for the transmission of electrical power through transmission lines in contrast with the alternating current that is the AC system. The HVDC is used to transmit bulk power point-to-point through long distances transmission lines. Power is rapidly transferred because the efficiency of transmission lines is greatly increased over long distances due to HVDC lines.

Question

compute the percent efficiency of the electrical system of the figure below. Note: Resistor absorbs power hence the source of power loss.

0.8 Q
0.5 Ω
's
1|100 A
i, 80 A
1st Floor
Load
2nd Floor
Load
480 V
0.5 N
0.S N

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