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500kW Containerized
Diesel Generator Set
APPLICATION DATA
■
All ratings tested per MIL-STD-705 as applicable.
■
Generator protection for overload and short circuit.
■
Generator is designed and built within NEMA, IEEE and
ANSI standards for temperature rise.
■
PMG exciter for superior regulation and response.
■
Three phase sensing on regulator with EMI protection.
■
Skewed rotor for smooth voltage wave form.
■
Vacuum impregnated epoxy varnish - Fungus resistant per
MIL-I-24092.
■
Sustain short circuit current at 300% of rated current up to
10 seconds.
Alternator Features
Alternator Specifications
Make Marathon Magna Max
Type 4-Pole, Rotating Field
Number of Leads 10 or 12
Generator Type Rotating Field; PMG
Voltage Regulator Solid State, Digital, Model DVR2000
Insulation NEMA MG1-1.66
Material Class H
Temperature Rise
Standby Rating: 125
o
C
Prime Rating: 105
o
C
Bearing: Number, Type Single, Sealed
Coupling Flexible Disk
Amortisseur Windings Full
Voltage Regulation (no load to full load) 2% Maximum
One Step Load Acceptance % of rating per
NFPA-110
100
Peak Motor Starting HP 250
Generator Efficiency at Full Load 93%
Phase Sequence ABC (L1, L2, L3)
L-L Harmonic Max Total 3.5%
L-L Harmonic Max Single 2.5%
Voltage Dip Upon Full Load Application (1 Step) 20% for 1.6 seconds
Voltage Rise Upon Full Load Rejection (1 Step) 14% for 0.6 of a second
Engine Specifications
Manufacturer/Model Detroit Diesel 8V2000-G81
Engine Type
4-cycle, Turbocharged,
Air to Water Aftercooled
Cylinder Arrangement V-8
Displacement 972 in
3
(16 liter)
Bore 5.12 in. (130 mm)
Stroke 5.91 in. (150 mm)
Compression Ratio 14.5:1
Piston Speed (60Hz) 29.5 ft./sec. (9.0 m/sec)
Bearing Main: Number 5
Bearing Main: Type Replaceable, Precision
Cylinder Block Cast iron
Cylinder Head Material Cast iron
Crankshaft Material Forged steel
Valves Dual, Poppet Type
Brake Mean Effective Pressure (BMEP) 346 psi (2385 Kpa)
Rated RPM (60 Hz) 1800
Max. Power At Rated RPM (with fan) 765 hp (570.5 kW)
Governor: Type Electronic
Frequency Regulation: No load to full load +
0.10 Hz
Frequency Regulation: Steady State +
0.05 Hz
Air Cleaner Type - All Models Dry, Dual Element
Engine Electrical System
Battery Charging Alternator Ground Type Negative
Volts 24 VDC
Ampere Rating 70A
Starter Motor Rated Voltage 24 VDC
Minimum Recommended Battery for
0 °C / Cold Cranking Performance
800 Ah
Derating
Derating Factors (60 Hz) Altitude
Ambient
Temperature
The engine may be operated up to 2000 ft.
altitude and 40
o
C ambient temperature at the
Standby rating, without derating. For
operation at higher altitudes and ambient
temperatures, the power should be derated
according to the following factors:
>2000 m =
4% per 500 m
>40
o
C =
1.5% per 5
o
C
Amperage
Voltage Phase
Power
Factor
Continuous Amperes
Standby Prime
120/208 3 0.8 1734 1561
277/480 3 0.8 752 677
The EGC500DD Sound Attenuated Generator is
configured for standard 60 Hz, 208V and 480V output.
Special voltage outputs are available (special
order)
.
EGC500DD Rev 2