What Is a Chongqing Cummins Generator Set? A Chongqing Cummins Generator Set is a diesel generator powered by engines manufactured by Chongqing Cummins Engine Co., Ltd. (CCEC) — a...
READ MOREProduct Advantages
Durability:
The 360KW Chongqing Cummins generator set features a high-strength integrated design for the engine block and cylinder head, providing greater overall rigidity and enhanced fatigue resistance. This effectively reduces mechanical wear from long-term operation, ensuring stable, long-lasting performance and excellent durability.
High Reliability:
Equipped with Cummins’ original PT fuel system, it includes an overspeed protection mechanism. The low-pressure fuel system design simplifies fuel lines, stabilizing the system and significantly reducing failure rates. Leveraging Cummins’ mature power system matching and overall engineering design philosophy, it maintains high stability and safety even under high-load operating conditions.
Excellent Performance:
The high-efficiency Cummins exhaust gas turbocharging system ensures sufficient air intake, improving engine combustion efficiency. The pressure-type pulse exhaust system fully utilizes exhaust energy for secondary energy recovery, significantly enhancing combustion quality. It delivers excellent fuel economy under both high-load and low-load conditions, effectively reducing specific fuel consumption.
The generator set provides high torque, strong power output, rapid transient response, and ample torque reserve, enabling it to adapt to sudden load changes while ensuring stable high-power output.
Easy Maintenance:
With a modular, fully integrated design, the system is compact and well-organized, making parts easy to disassemble and maintain. The platform’s standardized component design ensures high parts interchangeability, simple and efficient maintenance, and easy access to spare parts, significantly lowering operational costs.
Strong Adaptability:
The generator set delivers strong, stable power and fuel efficiency, suitable for various complex load scenarios. It has a wide fuel compatibility range and strong environmental adaptability, capable of stable operation in high temperatures, high humidity, extreme cold, and high-altitude conditions, meeting the requirements of multiple industries and applications.
Technical Parameters
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Unit power |
280KW |
Engine |
Chongkang NTAA855-G7 |
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Generator |
Yangzhou Kangcheng KC280-4 |
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Engine:NTAA855-G7 |
Generator: single bearing, IP22 protection rating, Class H insulation |
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Radiator rated for 40°C ambient temperature, cooling fan with safety guard, air filter, fuel filter, and oil filter |
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Common steel base frame, vibration isolators, standard control panel |
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24V charging alternator, industrial-grade silencer (muffler), and standard connection fittings |
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Maintenance-free lead-acid battery and battery connecting cables |
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Voltage level |
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Voltage V |
Frequency Hz |
Number of phases |
Rated current A |
Power KW |
Power factor |
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400/230 |
50 |
3 |
504 |
280 |
0.8 |
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Engine parameters |
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Manufacturer/Model |
Chongkang/NTAA855-G7 |
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Intake system |
Supercharging, air-to-air intercooling |
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Fuel system |
Cummins PT System |
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Number of cylinders/arrangement |
6-cylinder/inline |
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Displacement |
14L |
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Cylinder bore * stroke |
140*152 mm |
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Compression ratio |
14.0:1 |
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Rated speed |
1500rpm |
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Engine power (main/spare) |
343KW/377KW |
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Speed control system |
Electronic speed control |
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Fuel system |
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Backup fuel consumption rate |
206.9 g/kw.h |
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Lubrication system |
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Lubricating oil capacity |
38.6 L |
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Cooling system |
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Coolant capacity |
20.8 L |
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Generator parameters |
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Number of phases |
3 |
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Wiring method |
Three-phase four-wire, Y-type interconnection |
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Number of bearings |
1 |
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Power factor |
0.8 |
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Protection level |
IP22 |
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Altitude requirements |
≤1000m |
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Excitation system |
Brushless self-excited magnet |
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Insulation class/temperature rise class |
H/H |
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Telephone Influence Factor (TIF) |
<50 |
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Telephone harmonic coefficient THF |
<2% |
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Unit performance parameters |
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Voltage setting range |
≥±5% |
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Steady-state voltage regulation |
≤±1% |
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Transient voltage deviation (100% sudden power reduction) |
≤+25% |
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Transient voltage deviation (sudden power increase) |
≤-20% |
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Voltage recovery time (100% sudden power reduction) |
≤6S |
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Voltage recovery time (sudden power increase) |
≤6S |
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Frequency setting range |
0-5% |
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Steady-state frequency band |
≤1.5% |
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Transient frequency deviation (100% sudden power reduction) |
≤+12% |
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Transient frequency deviation (sudden power increase) |
≤-10% |
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Frequency recovery time (100% power drop) |
≤5S |
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Frequency recovery time (sudden power increase) |
≤5S |
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Unit weight |
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Unit size |
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