Description
Technical Parameters
| Parameter / Specification | Standard Value / Details | Load-Dependent Performance (100% / 90% / 75% / 50%) |
| Engine Brand & Model |
Cummins HSK78G (12 Cylinders, V-Type)
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| Fuel Type & Requirements |
Pipeline Natural Gas / Min. Methane Index: 40
|
MN Requirement: 70 / 60 / 50 / 45
|
| Engine Displacement |
78 L (4,778 cu. in.)
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| Aspiration & Configuration |
Turbocharged and Charge Air Cooled
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| Cylinder Bore x Stroke |
190 mm x 230 mm (7.48 in x 9.06 in)
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| Operating Speed |
1,500 RPM
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| Engine Lubrication Capacity |
617 L (163 gal)
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| Full Load Lube Oil Consumption |
0.2 g/kWe-h (0.15 g/hp-h)
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| Electrical System Voltage |
24 VDC Starter
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| Inlet Fuel Supply Pressure |
0.3 bar (0.15–0.45 bar) / (2.17–6.53 psi)
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| Fuel Consumption (ISO 3046/1) |
Lower Heating Value (LHV)
|
4,525 kW (15.4 MMBtu/h) / 4,122 kW (14.1 MMBtu/h) / 3,476 kW (11.9 MMBtu/h) / 2,453 kW (8.4 MMBtu/h)
|
| Electrical Efficiency (ISO 3046/1) |
Percentage (%)
|
44.2% / 43.7% / 43.2% / 40.8%
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| Thermal Efficiency (ISO 3046/1) |
Percentage (%)
|
49.1% / 49.3% / 50.6% / 54.4%
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| Electrical Power Output |
Continuous Rating
|
2,000 kWe / 1,800 kWe / 1,500 kWe / 1,000 kWe
|
| Heat Dissipation – Low Temp (LT) |
Circuit Rejection kW (Btu/min)
|
127 kW (7,222 Btu/min) / 119 kW (6,767 Btu/min) / 111 kW (6,312 Btu/min) / 94 kW (5,346 Btu/min)
|
| Heat Dissipation – High Temp (HT) |
Circuit Rejection kW (Btu/min)
|
1,200 kW (68,243 Btu/min) / 1,062 kW (60,395 Btu/min) / 884 kW (50,272 Btu/min) / 642 kW (36,510 Btu/min)
|
| Radiated Heat Loss |
Ambient Radiation kW (Btu/min)
|
214 kW (12,170 Btu/min) / 193 kW (10,975 Btu/min) / 163 kW (9,269 Btu/min) / 113 kW (6,426 Btu/min)
|
| Exhaust Heat Recovery |
Available Thermal Energy to 105°C
|
897 kW (50,965 Btu/min) / 853 kW (48,509 Btu/min) / 763 kW (43,391 Btu/min) / 599 kW (34,064 Btu/min)
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| Combustion Air Intake Flow |
Volumetric Airflow
|
5,380 ft³/min (2,539 l/s) / 4,820 ft³/min (2,275 l/s) / 4,070 ft³/min (1,921 l/s) / 2,770 ft³/min (1,307 l/s)
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| Exhaust Gas Volumetric Flow |
Flow Rate
|
12,810 ft³/min (6,046 l/s) / 11,750 ft³/min (5,545 l/s) / 10,180 ft³/min (4,804 l/s) / 7,430 ft³/min (3,507 l/s)
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| Exhaust Gas Mass Flow |
Flow Rate
|
3.22 kg/s (25,556 lb/h) / 2.89 kg/s (22,937 lb/h) / 2.43 kg/s (19,286 lb/h) / 1.66 kg/s (13,177 lb/h)
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| Exhaust Gas Temperature |
Turbine Outlet Temperature
|
390°C (734°F) / 405°C (761°F) / 426°C (799°F) / 474°C (885°F)
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| Exhaust System Backpressure |
Max Permissible
|
1.45 in-Hg (4.9 kPa) across all load levels
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| HT Circuit Coolant Volume |
Fluid Capacity
|
284 L (75 gal)
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| HT Coolant Circulation Rate |
Flow @ Max Restriction
|
99 m³/h (438 gal/min)
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| HT Coolant Operating Temperatures |
Max Inlet / Outlet Temp
|
Inlet: 78°C (172°F) / Outlet: 90°C (194°F)
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| HT Circuit Max Pressure Drop |
External Restriction Limits
|
Max Drop: 130 kPa (18.9 psi) / Max Static Head: 18.3 m (60 ft)
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| LT Circuit Coolant Volume |
Fluid Capacity
|
49 L (13 gal)
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| LT Coolant Circulation Rate |
Flow @ Max Restriction
|
42 m³/h (187 gal/min)
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| LT Coolant Operating Temperatures |
Max Inlet / Nominal Outlet
|
Inlet: 50°C (122°F) / Outlet: 53°C (128°F)
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| LT Circuit Max Pressure Drop |
External Restriction Limits
|
Max Drop: 130 kPa (18.9 psi) / Max Static Head: 18.3 m (60 ft)
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| Nitrogen Oxides (NOx) |
Exhaust Emission Rate @ 5% O₂
|
493 mg/Nm³ (0.94 g/hp-h) / 489 mg/Nm³ (0.94 g/hp-h) / 494 mg/Nm³ (0.97 g/hp-h) / 490 mg/Nm³ (1.01 g/hp-h)
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| Carbon Monoxide (CO) |
Exhaust Emission Rate @ 5% O₂
|
980 mg/Nm³ (1.65 g/hp-h) / 992 mg/Nm³ (1.68 g/hp-h) / 1,008 mg/Nm³ (1.73 g/hp-h) / 1,014 mg/Nm³ (1.83 g/hp-h)
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| Total Hydrocarbons (THC) |
Exhaust Emission Rate @ 5% O₂
|
1,500 mg/Nm³ (2.87 g/hp-h) / 1,549 mg/Nm³ (2.98 g/hp-h) / 1,646 mg/Nm³ (3.22 g/hp-h) / 1,817 mg/Nm³ (3.76 g/hp-h)
|
| Alternator Make & Model |
Mecc Alte ECO 46 VL/4 A
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| AC Output Configuration |
400V, 3-Phase, 50 Hz
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| Apparent Power Rating |
2,500 kVA
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| Voltage Regulation & AVR |
Automatic Voltage Regulator DER1 (±0.5%)
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| Insulation & Thermal Limits |
Class H Insulation / Class F Temperature Rise
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| Enclosure Protection & Airflow |
IP23 Ingress Protection / Cooling Air: 135 m³/min
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| Alternator Dry Weight |
5,114 kg
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| Open Frame Overall Dimensions |
6,950 mm L x 2,288 mm W x 2,895 mm H (21.5 ft x 7.5 ft x 9.5 ft)
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| Overall Open Set Dry Weight |
60,000 kg
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