
750kW Containerized Diesel Generator Set
APPLICATION DATA
Alternator Specifications |
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Make | Marathon Magna Max | |
Type | ||
Number of Leads | 10 or 12 | |
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Generator Type | Rotating Field; PMG | |
Voltage Regulator | Solid State, Digital, Model DVR2000 | |
Insulation | NEMA | |
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Material | Class H | |
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Temperature Rise | Standby Rating: 125o C | |
Prime Rating: 105o C | ||
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Bearing: Number, Type | Single, Sealed | |
Coupling | Flexible Disk | |
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Amortisseur Windings | Full | |
Excitation | Voltage Regulated, Brushless | |
Voltage Regulation (no load to full load) | 0.25% | |
One Step Load Acceptance | 100 | |
% of rating per | ||
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Generator Efficiency at Full Load | 93% | |
Phase Sequence | ABC (L1, L2, L3) | |
5.0% | ||
3.0% |
The EGC750C 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 | Cummins | |
Engine Type | ||
Aftercooled | ||
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Cylinder Arrangement | V12 | |
Displacement | 1860 in3 (30.5 L) | |
Bore | 5.51 in. (140 mm) | |
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Stroke | 6.50 in. (165 mm) | |
Compression Ratio | 14:1 | |
Piston Speed (60Hz) | 32.5 ft./sec. (9.9 m/sec) | |
Bearing Main: Type | Replaceable, Precision | |
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Cylinder Block | Cast iron with wet, | |
replaceable cylinder liners | ||
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Cylinder Head Material | Cast iron | |
Crankshaft Material | Forged steel | |
Brake Mean Effective Pressure (BMEP) | Standby: 269 psi (1854 kPa) | |
Prime: 244 psi (1682 kPa | ||
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Rated RPM (60 Hz) | 1800 RPM | |
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Max. Power At Rated RPM (with fan) | Standby: 1135 hp (846 kW) | |
Prime: 1030 hp (768 kW) | ||
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Governor: Type | Electronic | |
Frequency Regulation: Steady State | ± 0.5% | |
Air Cleaner Type - All Models | Dry, Dual Element |
Amperage |
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Voltage | Phase | Power | Continuous Amperes | ||
Factor | Standby | Prime | |||
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120/208 Volt | 3 | 0.8 | 2602 | 2082 | |
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277/480 Volt | 3 | 0.8 | 1128 | 902 | |
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Engine Electrical System
Battery Charging Alternator Ground Type | Negative | |
Volts | 24 VDC | |
Ampere Rating | 35A | |
Starter Motor Rated Voltage | 24 VDC | |
Minimum Recommended Battery for 0 °C / | 1280 CCA | |
Cold Cranking Performance | ||
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Lubrication System
Type | Full Pressure System |
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Oil Filters | 4 |
Oil Capacity with Filters | 35 gal. (140.0 L) |