1500 kw containerized diesel generator set, Engine electrical system, Exhaust system – Multiquip MQ Power 1500 kW Containerized Diesel Generator Set EGC1500C User Manual
Page 2: Amperage, Alternator specifications, Engine specifications

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