Multiquip EGC-750C warranty Alternator Specifications, Engine Specifications, Alternator Features

750kW Containerized Diesel Generator Set

APPLICATION DATA

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: 125o C
	Prime Rating: 105o C
Bearing: Number, Type	Single, Sealed
Coupling	Flexible Disk
Amortisseur Windings	Full
Excitation	Voltage Regulated, Brushless
Voltage Regulation (no load to full load)	0.25%
One Step Load Acceptance	100
% of rating per NFPA-110
Generator Efficiency at Full Load	93%
Phase Sequence	ABC (L1, L2, L3)
L-L Harmonic Max Total	5.0%
L-L Harmonic Max Single	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 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.

Engine Specifications
Manufacturer/Model	Cummins QST30-G1
Engine Type	4-cycle, Turbocharged,
	Aftercooled
Cylinder Arrangement	V12
Displacement	1860 in3 (30.5 L)
Bore	5.51 in. (140 mm)
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
Cylinder Block	Cast iron with wet,
	replaceable cylinder liners
Cylinder Head Material	Cast iron
Crankshaft Material	Forged steel
Brake Mean Effective Pressure (BMEP)	Standby: 269 psi (1854 kPa)
	Prime: 244 psi (1682 kPa
Rated RPM (60 Hz)	1800 RPM
Max. Power At Rated RPM (with fan)	Standby: 1135 hp (846 kW)
	Prime: 1030 hp (768 kW)
Governor: Type	Electronic
Frequency Regulation: Steady State	± 0.5%
Air Cleaner Type - All Models	Dry, Dual Element

Amperage
Voltage	Phase	Power	Continuous Amperes
		Factor	Standby	Prime
120/208 Volt	3	0.8	2602	2082
277/480 Volt	3	0.8	1128	902

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

Lubrication System

Type	Full Pressure System
Oil Filters	4 Spin-on, Full Flow
Oil Capacity with Filters	35 gal. (140.0 L)