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Milton CAT G150LG4 150kW_188kVA Alternator Data User Manual

G150lg, Alternator data, Alternator decrement curve

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G150LG

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

88.26 89.6

Insulation System

40% Load

88.85 90.2

Excitation System

60% Load

89.24 90.6

80% Load

89.44 90.8

100% Load

89.34 90.7

100% @ 0.8 PF

88.75 90.1

115
138
150

Subtransient Reactance p.u.

0.16

Transient Reactance

0.25

Synchronous Reactance

2.05

10% 15% 20% 25% 30% 35%

Negative Sequence Reactance

0.25

100

149

199

249

299

348

Zero Sequence Reactance

0.08

133

199

265

332

398

464

Short Circuit Ratio

0.33

Excitation Voltage

190

Excitation Current @ Rated kW

5.0A

Lamination Type

520

Machine Parameters Continued

150

187.5

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

Cutoff

LEHF0123-00 (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