Multiquip MQ Power 1500 kW Containerized Diesel Generator Set EGC1500C - Manual (Page 2)

1500 kW Containerized
Diesel Generator Set
Engine Electrical System
Battery Charging Alternator Ground Type Negative
Volts 24 VDC
Ampere Rating 45A
Starter Motor Rated Voltage 24 VDC
Minimum Recommended Battery for
0 °C / Cold Cranking Performance
1800 CCA
Exhaust System
Exhaust Temperature at Rated kW (Standby) 965 o F (520 o C)
Exhaust Flow at Rated kW (Standby) 10690 cfm (302 m 3 /min)
Silencer Type Critical
Maximum Allowable Backpressure 2 in/Hg (51 mm/Hg)
Exhaust Outlet Size at hook-up 8 in. (203 mm)
Amperage
Voltage Phase
Power
Factor Amperes
Standby Prime
277/480 Volt 3 0.8 2255 1879
The EGC1500C Sound Attenuated Generator is
configured for standard 60 Hz, 480V output.
Special voltage outputs are available (special
order)
.
Alternator Features

All ratings tested per MIL-STD-705 as applicable

Protection for overload and short circuit

Designed and built within NEMA, IEEE and ANSI
standards for temperature rise

PMG exciter for superior regulation and response

Three-phase sensing on regulator

Skewed rotor for smooth voltage wave form

Optional-vacuum impregnated epoxy varnish, fungus
resistant per MIL-I-24092

Listed to UL1446 and UL1004B Standards
EGC1500C Rev 6
Alternator Specifications
Model 742RSL4050 Marathon Magna Max
Type Rotating Field
Number of Leads 4 bar
Generator Type Rotating Field; PMG
Voltage Regulator Solid State, Digital, Model DVR2000
Insulation NEMA MG1-1.66
Material Class H
Temperature Rise 105 o / 130 o C
Bearing: Number, Type Single Sealed
Coupling Flexible Disk
Amortisseur Windings Full
Voltage Regulation 0.25%
One Step Load Acceptance % of rating per NFPA-110 100
Peak Motor Starting HP 750
Generator Efficiency at Full Load 95%
Phase Sequence ABC (L1, L2, L3)
L-L Harmonic Max Total 5.0%
L-L Harmonic Max Single 3.0%
Voltage Dip Upon Full Load Application (1 Step) 12.5% for 0.4 sec.
Voltage Rise Upon Full Load Rejection (1 Step) 17% for 0.7 sec.
Engine Specifications
EPA Family Name 8CEXL050.AAD Cummins QSK50-G4
Engine Type
4-cycle, Turbocharged,
Watercooled, Aftercooler
Cylinder Arrangement V 16
Displacement 3067 cu in (50.3 L)
Bore 6.25 in. (159 mm)
Stroke 6.25 in. (159 mm)
Compression Ratio 14.9 : 1
Piston Speed (60Hz) 1875/sec
Bearing Main: Number 9
Bearing Main: Type Replaceable, Precision
Cylinder Block
Cast iron with
wet, replaceable cylinder liners
Cylinder Head Material Cast iron
Crankshaft Material Forged steel
Brake Mean Effective Pressure (BMEP) 318.0 psi (2192.5 kPa)
Rated RPM (60Hz) 1800 RPM
Max. Power At Rated RPM (with fan) 2250 hp (1703 kW)
Governor: Type; Make/Model Electronic
Frequency Regulation:
No load to full load Isochronous under varying loads
from no load to 100% rated load
Frequency Regulation:
Steady State
+0.25% of mean value for constant
loads from no load to full load
Air Cleaner Type - All Models Dry, Dual Element