Answer 11.30 11.29. A Y-connected load, with Z, = 10/0° 2, Z, = 10 /60°, and Z = 10/-60° 2, is connected to a three-phase,three-wire, ABC system having effective line voltage 141.4 V. Find the load voltages Vo, V Ro Vco and thedisplacement neutral voltage VoN Construct a phasor diagram similar to Fig. 11-18.%3D%3DAOAns. 173.2/90° V, 100/0° V, 100/180° V, 57.73/-90° V11.30. A Y-connected load, with z, = 10/-60° Q, Z, = 10/0° 2, and Z = 10/60° 2, is connected to a three-phase, three-wire, CBA system having effective line voltage 147.1 V. Obtain the line currents I, I%3Dand IcAns. 20.8/-60° A, 0, 20.8/120° A

In this question 11.30, Unbalanced Star connected load supplied from the balance three phase CBA…

11.30. A Y-connected load, with Z, = 10/-60° 2, Z, = 10/0° 2, and Z = 10/60° Q, is connected to a three- %3D phase, three-wire, CBA system having effective line voltage 147.1 V. Obtain the line currents I, Ip and I Ans. 20.8/-60° A, 0, 20.8120° A

11.30. A Y-connected load, with Z, = 10/-60° 2, Z, = 10/0° 2, and Z = 10/60° Q, is connected to a three- %3D phase, three-wire, CBA system having effective line voltage 147.1 V. Obtain the line currents I, Ip and I Ans. 20.8/-60° A, 0, 20.8120° A

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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Concept explainers

Synchronous Generator

In comparison to an asynchronous generator, it is a machine where the rotor speed is equal to the rotating magnetic field produced by the stator, i.e., mechanical speed is equal to the electrical speed, thus called synchronous, and not asynchronous.

Salient Pole Rotor

Salient pole rotor includes a large number of exposed poles mounted on a magnetic wheel. The construction of a bright pole is as shown in the image on the left. The proposed poles are made of metal laminations. The rotor winding is provided on these poles and is supported by pole shoes.

Question

Answer 11.30

11.29. A Y-connected load, with Z, = 10/0° 2, Z, = 10 /60°, and Z = 10/-60° 2, is connected to a three-phase,
three-wire, ABC system having effective line voltage 141.4 V. Find the load voltages Vo, V Ro Vco and the
displacement neutral voltage VoN Construct a phasor diagram similar to Fig. 11-18.
%3D
%3D
AO
Ans. 173.2/90° V, 100/0° V, 100/180° V, 57.73/-90° V
11.30. A Y-connected load, with z, = 10/-60° Q, Z, = 10/0° 2, and Z = 10/60° 2, is connected to a three-
phase, three-wire, CBA system having effective line voltage 147.1 V. Obtain the line currents I, I
%3D
and Ic
Ans. 20.8/-60° A, 0, 20.8/120° A

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