Milton CAT 3516C HD 2500 kW 3125 kVA 60 Hz 1800 rpm 480 Volts Generator Data - Manual

G ENERATOR D ATA J UNE 30, 2006
Can't find what you're looking for? Click here
Selected Model
Engine: 3516 Generator Frame: 1824 Genset Rating (kW): 2500.0 Line Voltage: 4160
Fuel: Diesel Generator Arrangement: 2523972 Genset Rating (kVA): 3125.0 Phase Voltage: 2402
Frequency: 60 Excitation Type: Permanent Magnet Pwr. Factor: 0.8 Rated Current: 433.7
Duty: STANDBY Connection: SERIES STAR Application: EPG Status: Current
Version: 38699 /38042 /38531 /8733
Spec Information
Generator Specification
Frame: 1824 Type: SR5 No. of Bearings: 2
Winding Type: FORM WOUND Flywheel: 21.0
Connection: SERIES STAR Housing: 00
Phases: 3 No. of Leads: 6
Poles: 4 Wires per Lead: 1
Sync Speed: 1800 Generator Pitch: 0.667
Generator Efficiency
Per Unit Load kW Efficiency %
0.25 625.0 93.6
0.5 1250.0 96.0
0.75 1875.0 96.6
1.0 2500.0 96.7
Reactances Per Unit Ohms
SUBTRANSIENT - DIRECT AXIS X''
d
0.1311 0.7261
SUBTRANSIENT - QUADRATURE AXIS X''
q
0.1247 0.6905
TRANSIENT - SATURATED X'
d
0.1994 1.1045
SYNCHRONOUS - DIRECT AXIS X
d
3.1668 17.5373
SYNCHRONOUS - QUADRATURE AXIS X
q
1.4017 7.7624
NEGATIVE SEQUENCE X
2
0.1279 0.7083
ZERO SEQUENCE X
0
0.0097 0.0538
Time Constants Seconds
OPEN CIRCUIT TRANSIENT - DIRECT AXIS T'
d0
5.1540
SHORT CIRCUIT TRANSIENT - DIRECT AXIS T'
d
0.3245
OPEN CIRCUIT SUBSTRANSIENT - DIRECT AXIS T''
d0
0.0074
SHORT CIRCUIT SUBSTRANSIENT - DIRECT AXIS T''
d
0.0064
OPEN CIRCUIT SUBSTRANSIENT - QUADRATURE AXIS T''
q0
0.0067
SHORT CIRCUIT SUBSTRANSIENT - QUADRATURE AXIS T''
q
0.0058
EXCITER TIME CONSTANT T
e
0.2580
ARMATURE SHORT CIRCUIT T
a
0.0460
Short Circuit Ratio: 0.42 Stator Resistance = 0.062 Ohms Field Resistance = 0.97 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 5.0%
Telephone influence factor: less than 50
Generator Excitation
No Load Full Load, (rated) pf
Series Parallel
Excitation voltage: 11.41 Volts 44.68 Volts Volts
Excitation current 1.05 Amps 4.11 Amps Amps
Page 1 of 10 Caterpillar Generator Data
06/30/2006 http://tmiweb.cat.com/tmi/servlet/cat.edis.tmiweb.gui.TMIDirector?Action=buildtab&tab...