Cummins 330kw Silent Generator Set

Cummins 330kw silent generator set Ø Standard Configuration  Engine（Cummins NTAA855-G7A）  Radiator 50°C max, fans are driven by belt, with safety guard  24V charge alternator  Alternator: single bearing alternator IP23, insulation class H/H  Absorber  Dry type air filter, fuel filter, oil...

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Product Details

Cummins 330kw silent generator set

Code	SCDG-330KW
Rated Power(50HZ)	330KW/412.5KVA
Standby Power(50HZ)	360KW/450KVA

Ø Standard Configuration

 Engine（Cummins NTAA855-G7A）

 Radiator 50°C max, fans are driven by belt, with safety guard

 24V charge alternator

 Alternator: single bearing alternator IP23, insulation class H/H

 Absorber

 Dry type air filter, fuel filter, oil filter

 Main line circuit breaker

 Standard control panel

 Two12V batteries, rack and cable

 Ripple flex exhaust pipe, exhaust siphon, flange, muffler

 User manual

Ø Generator Ratings

Voltage	HZ	Phase	P.F (COS¢)	Standby Amps	Standby Ratings (KW/KVA)	Prime Ratings (KW/KVA)
440/254	50	3	0.8	590	360/450	330/412.5
415/240	50	3	0.8	626	360/450	330/412.5
400/230	50	3	0.8	649	360/450	330/412.5
380/220	50	3	0.8	684	360/450	330/412.5

Prime Power (PRP): Prime power is available for an unlimited number of annual hours in variable load application, in accordance with GB/T2820-97(eqv ISO8528); A 10% overload capability is available for a period of 1 hour within a 12-hour period of operation.

Standby Power Rating (ESP): The standby power rating is applicable for supplying emergency power for the duration of a utility power interruption. No overload, utility parallel or negotiated outage operation capability is available at this rating.

Ø Engine Data

1. Basic parameter
Engine Model	Cummins NTAA855-G7A
Engine Features	In-line, 6 Cylinders, Four-stroke
Rate Power	370KW /1500rpm
Standby Power	407KW /1500rpm
Displacement	14L
Bore*Stroke	140*152 mm
Compression Ratio	14.0:1
Mode of Speed Regulation	Electronic
2. Exhaust Air System
Exhaust air capacity	1240 L/s
Exhaust air temperature	473℃
Max. exhaust back pressure	10 kPa
3. Air Intake System
Air Intake Type	Turbocharged, Aftercooled
Max. Air Intake Pressure	6.22 kPa
Air Combustion Capacity	549 L/s
Air flow	8180 L/s
4. Fuel System
Fuel Consumption	200.5g/KW.h or 94.2 L/s (100% loading)
5. Lubrication System
Oil Capacity	38.6 L
Oil Consumption	≤4g/KW.h or ≤0.24 L/h
Oil Pan Capacity	28.4-36 L
Rated Speed Oil Pressure	241 - 345 kPa
6. Cooling System
Cooling Type	Closed Water-Cooling
Total Cooling Liquid Capacity	63.9 L
Thermostat Working Temperature	82-94℃
Max. Water Temperature	96 ℃

Ø Alternator Data

Brand	Stamford HCI444F
Number of Phase	3
Connecting Type	3 Phase and 4 Wires, “Y” type connecting
Number of Bearing	1
Power Factor	0.8
Protection Grade	IP23
Altitude	≤1000m
Exciter Type	Brushless, self-exciting
Insulation Class, Temperature Rise	H/H
Telephone Influence Factor (TIF)	<50
THF	<2%
Alternator Capacity	400KVA
Alternator Efficiencies	93.4%

Ø Generator Data

Voltage Regulation	≥±5%
Voltage Regulation, Stead State	≤±1%
Sudden Voltage Warp (100% Sudden Reduce)	≤+25%
Sudden Voltage Warp (Sudden Increase)	≤-20%
Voltage Stable Time (100% Sudden Reduce)	≤6S
Voltage Stable Time (Sudden Increase)	≤6S
Frequency Regulation, Stead State	≤5%
Frequency Waving	≤1.5%
Sudden Frequency Warp (100% Sudden Reduce)	≤+12%
Sudden Frequency Warp (Sudden Increase)	≤-10%
Frequency Recovery Time (100% Sudden Reduce)	≤5S
Frequency Recovery Time (Sudden Increase)	≤5S