Milton CAT G130LG 130kW_163kVA Alternator Data User Manual
G130lg, Alternator data, Alternator decrement curve

G130LG
Alternator Data
Information contained in this publication may be considered confidential.
Discretion is recommended when distributing.
Materials and specifications are subject to change without notice.
CAT, CATERPILLAR, OLYMPIAN, their respective logos and ''Caterpillar Yellow'', as well as corporate and product
identity used herein, are trademarks of Caterpillar and may not be used without permission.
www.CAT-ElectricPower.com
© 2009 Caterpillar
All rights reserved.
Printed in U.S.A.
kW
kVA
Telephone Influence Factor
Type
Synchronous Speed
Connections
Maximum Overspeed
Efficiency @ 1.0 Power Factor
208/240
480/600
Number of Bearings
20% Load
86.88 88.2
Insulation System
40% Load
87.76 89.1
Excitation System
60% Load
88.06 89.4
80% Load
88.26 89.6
100% Load
88.16 89.5
100% @ 0.8 PF
87.96 89.3
99
119
130
Subtransient Reactance p.u.
0.12
Transient Reactance
0.21
Synchronous Reactance
2.05
10% 15% 20% 25% 30% 35%
Negative Sequence Reactance
0.3
87
131
174
218
261
305
Zero Sequence Reactance
0.09
116
174
232
290
348
406
Short Circuit Ratio
0.33
Excitation Voltage
190
Excitation Current @ Rated kW
5.0A
Lamination Type
390
Machine Parameters Continued
130
162.5
Brushless/PMG
12 Lead
600
Antifungal Coating
Temperature
Rise is based
40º C Ambient
Temperature Rise vs Output (0.8 pf)
Options - - - - - - - - - - - -
Voltage
Instantaneous Voltage Dip
208, 240
480
3300 rpm
1 Sealed Ball
Class H
Alternator Heater
<5%
Waveform Distortion
<50
1800 rpm
Design and specifications are subject to change without notice.
Date 06-2009
Rev 1
Alternator Ratings
(Series Wye Testing)
Machine Parameters @ Max kW Ratings
kW Rating
120 º
80 º
105 º
Temp Rise º C
Class H
ALTERNATOR DECREMENT CURVE
10
100
1000
10000
0.01
0.1
1
10
100
Seconds
A
m
pe
re
s
Alt Damage
3-Ø Short Circuit Current
All data at 480 volt
PMG
LEHF0122-00 (02-10)
CAT, CATERPILLAR, their respective logos, OLYMPIAN, "Caterpillar Yellow," the "Power Edge" trade dress as well as
corporate and product identity used herein, are trademarks of Caterpillar and may not be used without permission.
©2010