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Engineering and Tech / Engineering Circuit Analysis 8 / Chapter 12 / Problem 12.5

Engineering Circuit Analysis | 8th Edition | ISBN: 9780073529578 | Authors: William H. Hayt Professor Emeritus, Jack Kemmerly, Steven M. Durbin

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A balanced three-phase three-wire system has a line voltage of 500 V. Two balanced

Chapter 12, Problem 12.5

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QUESTION:

A balanced three-phase three-wire system has a line voltage of 500 V. Two balanced Y-connected loads are present. One is a capacitive load with \(7 − j2\ \Omega\) per phase, and the other is an inductive load with \(4 + j2\ \Omega\) per phase. Find (a) the phase voltage; (b) the line current; (c) the total power drawn by the load; (d) the power factor at which the source is operating.

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QUESTION:

A balanced three-phase three-wire system has a line voltage of 500 V. Two balanced Y-connected loads are present. One is a capacitive load with \(7 − j2\ \Omega\) per phase, and the other is an inductive load with \(4 + j2\ \Omega\) per phase. Find (a) the phase voltage; (b) the line current; (c) the total power drawn by the load; (d) the power factor at which the source is operating.

ANSWER:

Step 1 of 5

According to the given data, the balanced three phase three wire systems is as follows.

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