MQ Power EGC-750C User manual

750kW Containerized
Diesel Generator Set
Standard Features
Cummins Heavy Duty Diesel Engine
 4-cycle design, turbocharged, aftercooled, direct injection
 Polymide blade cooling fan
 Engine coolant heater
 Meets EPA emissions standards for mobile off-highway
Fuel System
 1000 gallon, single wall fuel tank
 Fuel priming system
 Fuel/water separators and drip pan
 Electric fuel pump
 External fuel fill
 30 micron Racor
®
fuel filter system
Alternator
 Brushless, 4-pole, synchronous, WYE connection
 Class H insulation system conforms to NEMA MG1-22, BS5000,
CSA-C22-2, IEC-34-1 standards for temperature rise
 Drip-proof, self-venting, amortisseur windings
 Epoxy impregnated windings with tropical insulation for increased
environmental protection and long life
Electronic Voltage Regulator
■ Electronic automatic voltage regulator provides precise regulation
■■
■■
■ Separate three-phase excitation for fast recovery from block loads
and motor starting
Full Load Acceptance
 Accepts 100% of standby nameplate rating in one step, in compliance
with NFPA, para 5-13.2.6
Generator Control Panel
 InteligenTM vibration-isolated controller
 Manual or remote engine start/stop
 RS232/Modbus communication support
 Safety shutdowns
 Externally mounted emergency stop switch
 Generator mainline circuit breaker, 100% rated electronically
operated, UL listed
Specially Designed Container
■ 40 ft. ISO container, sound-attenuated, foam-lined for extremely
quiet operation
■ Isolated operator control room
 Solidly mounted battery rack and cooling system
 Intregral vibration isolators
 Exterior polyurethane coating system provides long life in extreme
operating conditions
 Interior DC lights and timer switch
 Critical grade silencer with heat blankets
Warranty
 Engine-generator sets are covered by an express written, one-year
limited warranty
Model Emissions Standby Rating Prime Rating
EGC-750C EPA Certified 60 Hertz
750kW (937kVA) 600kW (750kVA)
750 KW
(Shown with 40 ft. container and optional ISO trailer chassis)

750kW 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
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 /
Cold Cranking Performance 1280 CCA
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
% of rating per NFPA-110 100
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%
Amperage
Voltage Phase Power
Factor
Continuous Amperes
Standby Prime
120/208 Volt 3 0.8 2602 2082
277/480 Volt 3 0.8 1128 902
The EGC750C Sound Attenuated Generator is
configured for standard 60 Hz, 208V and 480V output.
Special voltage outputs are available (special
order).
Lubrication System
Type Full Pressure System
Oil Filters 4 Spin-on, Full Flow
Oil Capacity with Filters 35 gal. (140.0 L)
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

750kW Containerized
Diesel Generator Set
Derating (60Hz)
The engine may be operated up to 5000 ft.
altitude and 95oF 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:
Altitude Ambient
Temperature
Above 5000ft.
derate at 4%
per 1000 ft.
Above 95°F
derate at 1%
per 10°F
Inteligen Digital Genset Controller
■ Large graphic back-lit LCD display 128x64 pixel resolution
■ Automatic and manual starting and stopping
■ Phase sequence supervision
■ Automatic shutdown/alarm function
■ Input frequency 50-60 Hz
■ Parameters adjustable via PC or iG keyboard
■ Predefined and user definable configurations available.
One configuration includes set of inputs/outputs and parameters
■ Adjustable parameters for each configuration
■ 6 LED indicators
■ Push buttons for simple control
■ 4 programmable outputs (out of 20 functions selection)
■ 4 binary configuration inputs
■ Lamp test during start up
■ Real time clock
■ Sealed membrane panel to IP65
■ 180 x 113 mm front panel mounted case
■ Speed measurement from magnetic pickup
■ Oil pressure, Coolant temperature, Battery voltage and Fuel level
measurements
■ Running Hour Meter
■ All Generator metering, kVAr, kW, V1-V3, Hz, I1-I3, kWh, kVAh
■ Generator under/over voltage alarm/shutdown
■ Generator under/over frequency alarm/shutdown
■ Over Current alarm/shutdown
■ Warm up and cooling functions
■ Pre-lubrication function with timers
■ Adjustable crank attempts
■ Data logging
■ Remote communications (RS232/Modbus)
Digital Controller Features
Fuel System
Recommended Fuel ASTM-D975-No.1 or No. 2-D
Filter Micron Size - 98% Efficiency 2
Total Fuel Flow 99 gal./hr. (374.7 L/Hr.)
Fuel Consumption
Diesel Fuel @ % of Load gal/hr L/hr
25% 16.0 61
50% 26.2 99
75% 40.5 153
100% 54.7 207
Cooling System
Exhaust Manifold Type Dry
Radiator Design Standard horizontal discharge
Coolant Capacity - Engine and Radiator 53 gal. (201 L)
Water Pump Design/Type Belt Driven, Centrifugal
Coolant Flow 235 gal/min (889.5 L)
Heat Rejection to Coolant (Standby) 27860 BTU/min (29.5 kW)
Fan Horsepower 42.7 hp (32.0 kW)
Exhaust System Standby Prime
Exhaust Temperature at Rated kW 895 oF
(479.4 oC)
850 oF
(454.4 oC)
Exhaust Flow at Rated kW 6160 cfm
(174.3 m3/min)
5546 cfm
(157 m3/min)
Silencer Type Critical
Maximum Allowable Backpressure 41 in/wc (10.2 kPa)
Exhaust Outlet Size at hook-up 2 x 8 in.

750kW Containerized
Diesel Generator Set
Backfeed to a utility system can cause electrocution and/or property damage. Do
not connect to any building’s electrical system except through an approved device.
Specifications are subject to change without notice.
Your MQ Power dealer is:
© COPYRIGHT 2007, MQ POWER
Rev. 1 (03-07) EGC750C
MQ POWER
POST OFFICE BOX 6254
CARSON, CA 90749
310-537-3700 • 800-421-1244
FAX: [phone]
E-MAIL: [email protected]
WEBSITE: www.mqpower.com
W
eight and Dimension
s
ABCD
96 in.
(2,438 mm)
480 in.
(12,192 mm)
163 in.
(4,137 mm)
199 in
(5,054 mm)
Weight (Wet)* 37,760 lbs (17,128 kg)
Weight (Wet with trailer)* 44,500 lbs (20,185 kg)
* Weight is approximate. Wet weight does not include fuel.
40 ft Container
Generator Set
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 Genset-to-Genset Paralleling Control System
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Base Load-to-Utility Paralleling Control System
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 Custom Outlet Panels
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 Rotary Voltage Selector Switch (High Wye/Low Wye
Voltages)
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 Auxiliary Oil Reservoir with Level Control (15-gallon)
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 Centrifugal Oil Filter System
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Oil Pan Heater with Thermostat
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 Alternator Strip Heater
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 AC Battery Charger with Shore Power Receptacle
Optional Features and Accessories
Container
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ISO Trailer Chassis (40 ft.)
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 Double-wall Fuel Tank (900-gallon capacity)
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 Fluid Containment
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 Manual Fuel Valves (For Internal or External Fuel
Supply)
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 Entrance Ladder (6-Step, Aluminum Construction)
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Fueling Ladder (Aluminum Step Construction with
Hand Rail)
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 Interior Lights (AC Work lights)
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 Custom Paint Colors (Artic White is Standard)
SPECIAL OPTIONS AVAILABLE UPON REQUEST