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Publicado: 15 de octubre de 2012
Caterpillar Generator Data
Page 1 of 10
GENERATOR DATA
Selected Model Engine: 3412 Fuel: Diesel Frequency: 60 Duty: PRIME Generator Frame: 589 Generator Arrangement: 9Y3877 Excitation Type: Permanent Magnet Connection: SERIES STAR Genset Rating (kW): 545.0 Genset Rating (kVA): 681.0 Pwr. Factor: 0.8 Application: EPG
JULY 09, 2009
For Help Desk Phone Numbers Click here
Line Voltage:480 Phase Voltage: 277 Rated Current: 819.1 Status: Current
Version: 39094 /39476 /38261 /10897
Spec Information Generator Specification Frame: 589 Type: SR4 Winding Type: RANDOM WOUND Connection: SERIES STAR Phases: 3 Poles: 4 Sync Speed: 1800 Reactances
SUBTRANSIENT - DIRECT AXIS X''d SUBTRANSIENT - QUADRATURE AXIS X''q TRANSIENT - SATURATED X'd SYNCHRONOUS - DIRECT AXIS Xd SYNCHRONOUS -QUADRATURE AXIS Xq NEGATIVE SEQUENCE X2 ZERO SEQUENCE X0
Generator Efficiency kW 136.3 272.5 408.8 545.0 599.5 Ohms
0.0444 0.0437 0.0674 0.9593 0.4844 0.0440 0.0253
No. of Bearings: 1 Per Unit Load Flywheel: 18.0 0.25 Housing: 0 0.5 0.75 No. of Leads: 10 2 1.0 Wires per Lead: 1.1 Generator Pitch: 0.8571 Per Unit
0.1313 0.1292 0.1993 2.8365 1.4323 0.1301 0.0748
Efficiency % 90.9 94.1 94.794.2 93.8
Time Constants OPEN CIRCUIT TRANSIENT - DIRECT AXIS T'd0 SHORT CIRCUIT TRANSIENT - DIRECT AXIS T'd OPEN CIRCUIT SUBSTRANSIENT - DIRECT AXIS T''d0 SHORT CIRCUIT SUBSTRANSIENT - DIRECT AXIS T''d OPEN CIRCUIT SUBSTRANSIENT - QUADRATURE AXIS T''q0 SHORT CIRCUIT SUBSTRANSIENT - QUADRATURE AXIS T''q EXCITER TIME CONSTANT Te ARMATURE SHORT CIRCUIT Ta Short Circuit Ratio: 0.47 VoltageRegulation Voltage level adustment: +/Voltage regulation, steady state: +/Voltage regulation with 3% speed change: +/Waveform deviation line - line, no load: less than Telephone influence factor: less than Stator Resistance = 0.0104 Ohms
Seconds 2.5250 0.1775 0.0050 0.0040 0.0046 0.0037 0.1443 0.0209 Field Resistance = 1.25 Ohms Generator Excitation
5.0% 0.5% 0.5% Excitation voltage: 5.0%Excitation current 50
No Load 6.51 Volts 1.84 Amps
Full Load, (rated) pf Series Parallel 28.32 Volts Volts 6.58 Amps Amps
http://tmiweb.cat.com/tmi/servlet/cat.edis.tmiweb.gui.TMIDirector?Action=buildtab&refkin... 7/9/2009
Caterpillar Generator Data
Page 2 of 10
Selected Model Engine: 3412 Fuel: Diesel Frequency: 60 Duty: PRIME Generator Frame: 589 Generator Arrangement: 9Y3877Excitation Type: Permanent Magnet Connection: SERIES STAR Genset Rating (kW): 545.0 Genset Rating (kVA): 681.0 Pwr. Factor: 0.8 Application: EPG Line Voltage: 480 Phase Voltage: 277 Rated Current: 819.1 Status: Current
Version: 39094 /39476 /38261 /10897
Generator Mechanical Information Center of Gravity Dimension X -744.7 mm -29.3 IN. Dimension Y 0.0 mm Dimension Z 0.0 mm 0.0 IN. 0.0 IN.
"X" ismeasured from driven end of generator and parallel to rotor. Towards engine fan is positive. See General Information for details "Y" is measured vertically from rotor center line. Up is positive. "Z" is measured to left and right of rotor center line. To the right is positive. Generator WT = 1635 kg * Rotor WT = 588 kg * Stator WT = 1047 kg 3,605 LB 1,296 LB 2,308 LB Rotor Balance = 0.0508 mmdeflection PTP Overspeed Capacity = 150% of synchronous speed Generator Torsional Data
J1 = Coupling J2 = Rotor J3 = Exciter and Fan TOTAL J = J1 + J2 + J3 End K1 = Shaft Stiffness between K2 = Shaft Stiffness between J1 + J2 (Diameter 1) J2 + J3 (Diameter 2)
J1 0.0 LB IN. s2 s2 0.0 N m K1 62.0 MLB IN./rad 7.0 MN m/rad Min Shaft Dia 1 5.0 IN. 127.0 mm J2 88.3 LB IN. 9.975 N m Total J s2 s2 K2 9.7 MLBIN./rad 1.1 MN m/rad Min Shaft Dia 2 2.5 IN. 63.5 mm J3 0.0 LB IN. s2 0.0 N m s2
88.3 LB IN. s2 9.975 N m s2
http://tmiweb.cat.com/tmi/servlet/cat.edis.tmiweb.gui.TMIDirector?Action=buildtab&refkin... 7/9/2009
Caterpillar Generator Data
Page 3 of 10
Selected Model Engine: 3412 Fuel: Diesel Frequency: 60 Duty: PRIME Generator Frame: 589 Generator Arrangement: 9Y3877 Excitation...
Page 1 of 10
GENERATOR DATA
Selected Model Engine: 3412 Fuel: Diesel Frequency: 60 Duty: PRIME Generator Frame: 589 Generator Arrangement: 9Y3877 Excitation Type: Permanent Magnet Connection: SERIES STAR Genset Rating (kW): 545.0 Genset Rating (kVA): 681.0 Pwr. Factor: 0.8 Application: EPG
JULY 09, 2009
For Help Desk Phone Numbers Click here
Line Voltage:480 Phase Voltage: 277 Rated Current: 819.1 Status: Current
Version: 39094 /39476 /38261 /10897
Spec Information Generator Specification Frame: 589 Type: SR4 Winding Type: RANDOM WOUND Connection: SERIES STAR Phases: 3 Poles: 4 Sync Speed: 1800 Reactances
SUBTRANSIENT - DIRECT AXIS X''d SUBTRANSIENT - QUADRATURE AXIS X''q TRANSIENT - SATURATED X'd SYNCHRONOUS - DIRECT AXIS Xd SYNCHRONOUS -QUADRATURE AXIS Xq NEGATIVE SEQUENCE X2 ZERO SEQUENCE X0
Generator Efficiency kW 136.3 272.5 408.8 545.0 599.5 Ohms
0.0444 0.0437 0.0674 0.9593 0.4844 0.0440 0.0253
No. of Bearings: 1 Per Unit Load Flywheel: 18.0 0.25 Housing: 0 0.5 0.75 No. of Leads: 10 2 1.0 Wires per Lead: 1.1 Generator Pitch: 0.8571 Per Unit
0.1313 0.1292 0.1993 2.8365 1.4323 0.1301 0.0748
Efficiency % 90.9 94.1 94.794.2 93.8
Time Constants OPEN CIRCUIT TRANSIENT - DIRECT AXIS T'd0 SHORT CIRCUIT TRANSIENT - DIRECT AXIS T'd OPEN CIRCUIT SUBSTRANSIENT - DIRECT AXIS T''d0 SHORT CIRCUIT SUBSTRANSIENT - DIRECT AXIS T''d OPEN CIRCUIT SUBSTRANSIENT - QUADRATURE AXIS T''q0 SHORT CIRCUIT SUBSTRANSIENT - QUADRATURE AXIS T''q EXCITER TIME CONSTANT Te ARMATURE SHORT CIRCUIT Ta Short Circuit Ratio: 0.47 VoltageRegulation Voltage level adustment: +/Voltage regulation, steady state: +/Voltage regulation with 3% speed change: +/Waveform deviation line - line, no load: less than Telephone influence factor: less than Stator Resistance = 0.0104 Ohms
Seconds 2.5250 0.1775 0.0050 0.0040 0.0046 0.0037 0.1443 0.0209 Field Resistance = 1.25 Ohms Generator Excitation
5.0% 0.5% 0.5% Excitation voltage: 5.0%Excitation current 50
No Load 6.51 Volts 1.84 Amps
Full Load, (rated) pf Series Parallel 28.32 Volts Volts 6.58 Amps Amps
http://tmiweb.cat.com/tmi/servlet/cat.edis.tmiweb.gui.TMIDirector?Action=buildtab&refkin... 7/9/2009
Caterpillar Generator Data
Page 2 of 10
Selected Model Engine: 3412 Fuel: Diesel Frequency: 60 Duty: PRIME Generator Frame: 589 Generator Arrangement: 9Y3877Excitation Type: Permanent Magnet Connection: SERIES STAR Genset Rating (kW): 545.0 Genset Rating (kVA): 681.0 Pwr. Factor: 0.8 Application: EPG Line Voltage: 480 Phase Voltage: 277 Rated Current: 819.1 Status: Current
Version: 39094 /39476 /38261 /10897
Generator Mechanical Information Center of Gravity Dimension X -744.7 mm -29.3 IN. Dimension Y 0.0 mm Dimension Z 0.0 mm 0.0 IN. 0.0 IN.
"X" ismeasured from driven end of generator and parallel to rotor. Towards engine fan is positive. See General Information for details "Y" is measured vertically from rotor center line. Up is positive. "Z" is measured to left and right of rotor center line. To the right is positive. Generator WT = 1635 kg * Rotor WT = 588 kg * Stator WT = 1047 kg 3,605 LB 1,296 LB 2,308 LB Rotor Balance = 0.0508 mmdeflection PTP Overspeed Capacity = 150% of synchronous speed Generator Torsional Data
J1 = Coupling J2 = Rotor J3 = Exciter and Fan TOTAL J = J1 + J2 + J3 End K1 = Shaft Stiffness between K2 = Shaft Stiffness between J1 + J2 (Diameter 1) J2 + J3 (Diameter 2)
J1 0.0 LB IN. s2 s2 0.0 N m K1 62.0 MLB IN./rad 7.0 MN m/rad Min Shaft Dia 1 5.0 IN. 127.0 mm J2 88.3 LB IN. 9.975 N m Total J s2 s2 K2 9.7 MLBIN./rad 1.1 MN m/rad Min Shaft Dia 2 2.5 IN. 63.5 mm J3 0.0 LB IN. s2 0.0 N m s2
88.3 LB IN. s2 9.975 N m s2
http://tmiweb.cat.com/tmi/servlet/cat.edis.tmiweb.gui.TMIDirector?Action=buildtab&refkin... 7/9/2009
Caterpillar Generator Data
Page 3 of 10
Selected Model Engine: 3412 Fuel: Diesel Frequency: 60 Duty: PRIME Generator Frame: 589 Generator Arrangement: 9Y3877 Excitation...
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