ExampleIn the figure below, a one diagram of a small 480-V industrial distribution system. the power system supplies aconstant live voltage of 480 V, and the impedance of the distribution lines in negligible. Load 1 is a A-connectedload with a phase impedance of 10250° N, and load 2 is Y-connected load with a phase impedance of 52-36.87°Ω.a) Find the overall power factor of the distribution system.b) Find the total line current supplied to the distribution.V₁=480 VThree phaseLoad1Delta connectedZ=10/30°Load Wye connected2Z₁=52-36.870

The given diagram is shown below,

In the figure below, a one diagram of a small 480-V industrial distribution system. the power system supplies a constant live voltage of 480 V, and the impedance of the distribution lines in negligible. Load 1 is a A-connected load with a phase impedance of 10250° 2, and load 2 is Y-connected load with a phase impedance of 52-36.87° Ω. a) Find the overall power factor of the distribution system. b) Find the total line current supplied to the distribution. Load 1 Delta connected Z=10/30°

In the figure below, a one diagram of a small 480-V industrial distribution system. the power system supplies a constant live voltage of 480 V, and the impedance of the distribution lines in negligible. Load 1 is a A-connected load with a phase impedance of 10250° 2, and load 2 is Y-connected load with a phase impedance of 52-36.87° Ω. a) Find the overall power factor of the distribution system. b) Find the total line current supplied to the distribution. Load 1 Delta connected Z=10/30°

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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Concept explainers

Single Phase AC Circuit

Alternating Current (AC) is a type of electric power in which the electric current changes, both in magnitude and direction, at regular intervals. This AC Circuits can deliver power in either a Single Phase system or a Three Phase system.

Question

Example
In the figure below, a one diagram of a small 480-V industrial distribution system. the power system supplies a
constant live voltage of 480 V, and the impedance of the distribution lines in negligible. Load 1 is a A-connected
load with a phase impedance of 10250° N, and load 2 is Y-connected load with a phase impedance of 52-36.87°
Ω.
a) Find the overall power factor of the distribution system.
b) Find the total line current supplied to the distribution.
V₁=480 V
Three phase
Load
1
Delta connected
Z=10/30°
Load Wye connected
2
Z₁=52-36.870

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