G ENERATOR D ATA M ARCH 28, 2013 For Help Desk Phone Numbers Click here Selected Model Engine: C4.4 Generator Frame: LC3034B Genset Rating (kW): 100.0 Line Voltage: 240 Fuel: Diesel Generator Arrangement: 2679912 Genset Rating (kVA): 125.0 Phase Voltage: NA Frequency: 60 Excitation Type: Permanent Magnet Pwr. Factor: 0.8 Rated Current: 300.7 Duty: STANDBY Connection: SERIES DELTA Application: EPG Status: Current Version: 39458 /38397 /39521 /980 Spec Information 37 3/28/2013 http://tmiwebclassic.cat.com/tmi/servlet/cat.edis.tmiweb.gui.TMIDirector?Action=buildtab... Caterpillar Generator Data Page 1 of 9 Generator Specification Frame: LC3034B Type: LC No. of Bearings: 1 Winding Type:
RANDOM WOUND Flywheel: 11.5 Connection: SERIES DELTA Housing: 3 Phases: 3 No. of Leads: 12 Poles: 4 Wires per Lead: 1 Sync Speed: 1800 Generator Pitch:
0.6667 Generator Efficiency Per Unit Load kW Efficiency % 0.25 25.0 90.0 0.5 50.0 91.8 0.75 75.0 91.2 1.0 100.0 90.1 Reactances Per Unit Ohms SUBTRANSIENT - DIRECT AXIS X'' d 0.1109 0.0511 SUBTRANSIENT - QUADRATURE AXIS X'' 0.1378 0.0635 q TRANSIENT - SATURATED X' d 0.1864 0.0859 SYNCHRONOUS - DIRECT AXIS X 4.7721 2.1990 d SYNCHRONOUS - QUADRATURE AXIS X 2.8635 1.3195 q NEGATIVE SEQUENCE X 2 0.1248 0.0575 ZERO SEQUENCE X 0.0063 0.0029 0 Time Constants Seconds OPEN CIRCUIT TRANSIENT - DIRECT AXIS T' 2.5550 d0 SHORT CIRCUIT TRANSIENT - DIRECT AXIS T' 0.1000 d OPEN CIRCUIT SUBSTRANSIENT - DIRECT AXIS T'' 0.0160 d0 SHORT CIRCUIT SUBSTRANSIENT - DIRECT AXIS T'' 0.0100 d OPEN CIRCUIT SUBSTRANSIENT - QUADRATURE AXIS T'' 0.2070 q0 SHORT CIRCUIT SUBSTRANSIENT - QUADRATURE AXIS T'' 0.0100 q EXCITER TIME CONSTANT T 0.0540 e ARMATURE SHORT CIRCUIT T 0.0150 a Short Circuit Ratio:
0.21 Stator Resistance = 0.0307 Ohms Field Resistance = 2.58 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 2.0% Telephone influence factor: less than 50 Generator Excitation No Load Full Load, (rated) pf Series Parallel Excitation voltage: 3.5 Volts Volts 23.3 Volts Excitation current 0.76 Amps Amps 4.17 Amps