Milton CAT 3516C 2000 kW 2500 kVA 60 Hz 1800 rpm 480 Volts Performance Data2 - Manual

G ENERATOR D ATA M AY 09, 2006
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Engine: 3516 Generator Frame: 824 Genset Rating (kW): 2000.0 Line Voltage: 480
Fuel: Diesel Generator Arrangement: 2628148 Genset Rating (kVA): 2500.0 Phase Voltage: 277
Frequency: 60 Excitation Type: Permanent Magnet Pwr. Factor: 0.8 Rated Current: 3007.0
Duty: STANDBY Connection: SERIES STAR Application: EPG Status: Current
Version: 38699 /38604 /38580 /4937
Spec Information
Generator Specification
Frame: 824 Type: SR4B No. of Bearings: 1
Winding Type: FORM WOUND Flywheel: 21.0
Connection: SERIES STAR Housing: 00
Phases: 3 No. of Leads: 6
Poles: 4 Wires per Lead: 8
Sync Speed: 1800 Generator Pitch: 0.6667
Generator Efficiency
Per Unit Load kW Efficiency %
0.25 500.0 94.8
0.5 1000.0 96.5
0.75 1500.0 96.7
1.0 2000.0 96.5
Reactances Per Unit Ohms
SUBTRANSIENT - DIRECT AXIS X''
d
0.2409 0.0222
SUBTRANSIENT - QUADRATURE AXIS X''
q
0.2203 0.0203
TRANSIENT - SATURATED X'
d
0.3592 0.0331
SYNCHRONOUS - DIRECT AXIS X
d
4.4835 0.4132
SYNCHRONOUS - QUADRATURE AXIS X
q
2.1376 0.1970
NEGATIVE SEQUENCE X
2
0.2300 0.0212
ZERO SEQUENCE X
0
0.0130 0.0012
Time Constants Seconds
OPEN CIRCUIT TRANSIENT - DIRECT AXIS T'
d0
5.9910
SHORT CIRCUIT TRANSIENT - DIRECT AXIS T'
d
0.4793
OPEN CIRCUIT SUBSTRANSIENT - DIRECT AXIS T''
d0
0.0085
SHORT CIRCUIT SUBSTRANSIENT - DIRECT AXIS T''
d
0.0074
OPEN CIRCUIT SUBSTRANSIENT - QUADRATURE AXIS T''
q0
0.0064
SHORT CIRCUIT SUBSTRANSIENT - QUADRATURE AXIS T''
q
0.0057
EXCITER TIME CONSTANT T
e
0.2225
ARMATURE SHORT CIRCUIT T
a
0.0589
Short Circuit Ratio: 0.25 Stator Resistance = 0.0019 Ohms Field Resistance = 0.9324 Ohms
Voltage Regulation
Voltage level adustment: +/ - 5.0%
Voltage regulation, steady state: +/ - 0.5%
Voltage regulation with 3% speed change: +/- 0.5%
Waveform deviation line - line, no load: less than 3.0%
Telephone influence factor: less than 50
Generator Excitation
No Load Full Load, (rated) pf
Series Parallel
Excitation voltage: 6.5 Volts 34.91 Volts Volts
Excitation current 1.71 Amps 9.19 Amps Amps
Page 1 of 10 Caterpillar Generator Data
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