Figures below are related to a 480V, 60Hz, Y-connected, 6-pole synchronousgenerator:FieldIfTOTMAssume:RAIXSRAXs IXSSEA VONoBAEAINJXsRA+VT = VLjXs RA+EA = |EA| 48°-IA1•Zs = RA +jXs≈ 0.0 +j 0.12• At full-load the machine supplies 10004 at 0.8 PF (Lagging)Given the field current is adjusted to give an open-circuit terminal voltage of 480V(Line-to-Line), find the phase-voltage Vol and torque angle (8) at full-load.Solution:

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find the phase-voltage Vol and torque angle (8) at full-load.

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

DC Generator

An electromechanical machine which converts input mechanical energy to respective output electric energy is called a generator.

Question

Figures below are related to a 480V, 60Hz, Y-connected, 6-pole synchronous
generator:
Field
If
TO
TM
Assume:
RAIXS
RA
Xs IXS
SEA VO
No
BA
EA
IN
JXs
RA
+
VT = VL
jXs RA
+
EA = |EA| 48°
-
IA
1
•
Zs = RA +jXs≈ 0.0 +j 0.12
• At full-load the machine supplies 10004 at 0.8 PF (Lagging)
Given the field current is adjusted to give an open-circuit terminal voltage of 480V
(Line-to-Line), find the phase-voltage Vol and torque angle (8) at full-load.
Solution:

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