Milton-cat G25LTA 25 kW Performance Data: Alternator Data G25 Bedienungsanleitung PDF herunterladen

G25LTA

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

Printed in U.S.A.

kVA Telephone Influence Factor

Type Synchronous Speed

Connections Maximum Overspeed

Efficiency @ 1.0 Power Factor

208/240 480/600 Number of Bearings

20% Load

87.07 88.4 Insulation System

40% Load

87.96 89.3 Excitation System

60% Load

88.55 89.9

80% Load 88.45 89.8

100% Load 88.35 89.7

100% @ 0.8 PF 88.85 90.2 19

Subtransient Reactance p.u.

0.16

Transient Reactance 0.27

Synchronous Reactance 2.85 10% 15% 20% 25% 30% 35%

Negative Sequence Reactance

0.28 12 19 25 31 37 43

Zero Sequence Reactance

0.10 16 25 33 41 49 57

Short Circuit Ratio

0.33

Excitation Voltage 190

Excitation Current @ Rated kW 4.5A

Lamination Type 390

Machine Parameters Continued

31.25

Brushless

4 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

100

1000

0.010.1110100

Seconds

Amperes

lt Damage

3-Ø Short Circuit Current

ll data at 480 volt

LEHF0073-00 (07/09)

Alternator Data 1

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Milton-cat G25LTA 25 kW Performance Data: Alternator Data G25 Bedienungsanleitung

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