500kW Containerized Diesel Generator Set
APPLICATION DATA
Alternator Specifications |
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Make | Marathon Magna Max | |
Type | ||
Number of Leads | 10 or 12 | |
Generator Type | Rotating Field; PMG | |
Voltage Regulator | Solid State, Digital, Model DVR2000 | |
Insulation | NEMA | |
Material | Class H | |
Temperature Rise | Standby Rating: 125o C | |
Prime Rating: 105o C | ||
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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 | 100 | |
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Peak Motor Starting HP | 250 | |
Generator Efficiency at Full Load | 93% | |
Phase Sequence | ABC (L1, L2, L3) | |
| 3.5% | |
| 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 |
The EGC500DD Sound Attenuated Generator is configured for standard 60 Hz, 208V and 480V output. Special voltage outputs are available (special order).
Alternator Features
■All ratings tested per
■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
■Sustain short circuit current at 300% of rated current up to 10 seconds.
Engine Specifications |
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Manufacturer/Model | Detroit Diesel | |
Engine Type | ||
Air to Water Aftercooled | ||
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Cylinder Arrangement | ||
Displacement | 972 in3 (16 liter) | |
Bore | 5.12 in. (130 mm) | |
Stroke | 5.91 in. (150 mm) | |
Compression Ratio | 14.5:1 | |
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Piston Speed (60Hz) | 29.5 ft./sec. (9.0 m/sec) | |
Bearing Main: Number | 5 | |
Bearing Main: Type | Replaceable, Precision | |
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Cylinder Block | Cast iron | |
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Cylinder Head Material | Cast iron | |
Crankshaft Material | Forged steel | |
Valves | Dual, Poppet Type | |
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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) | |
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Governor: Type | Electronic | |
Frequency Regulation: No load to full load | +0.10 Hz | |
Frequency Regulation: Steady State | +0.05 Hz | |
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Air Cleaner Type - All Models | Dry, Dual Element | |
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Amperage
Voltage | Phase | Power | Continuous Amperes | ||
Factor | Standby | Prime | |||
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120/208 | 3 | 0.8 | 1734 | 1561 | |
277/480 | 3 | 0.8 | 752 | 677 | |
Engine Electrical System
Battery Charging Alternator Ground Type | Negative | |
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Volts | 24 VDC | |
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Ampere Rating | 70A | |
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Starter Motor Rated Voltage | 24 VDC | |
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Minimum Recommended Battery for | 800 Ah | |
0 °C / Cold Cranking Performance | ||
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Derating |
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Derating Factors (60 Hz) | Altitude | Ambient | |
Temperature | |||
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The engine may be operated up to 2000 ft. |
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altitude and 40oC ambient temperature at the |
| >40 oC = | |
Standby rating, without derating. For | >2000 m = | ||
operation at higher altitudes and ambient | 4% per 500 m | 1.5% per 5 oC | |
temperatures, the power should be derated |
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according to the following factors: |
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EGC500DD Rev 2
