The engine is rarely why a Weichai diesel generator fails its site acceptance test. In most of the failure reports we review, the cause is one of three specification errors: the l...
READ MOREProduct Advantages
Durability:
The 250KW Dongfeng Cummins generator set is built on a mature platform technology that has been extensively validated in the market. Its product stability and durability have been tested under numerous operating conditions. The generator set features high structural strength and strong system stability, maintaining reliable performance under high-load, long-duration continuous operation. Core components are highly wear-resistant with minimal performance degradation, providing a long overall service life and fully demonstrating the durability expected of industrial-grade power generation equipment.
Excellent Performance:
The generator set achieves higher combustion efficiency and improved fuel economy, delivering optimal fuel efficiency and effectively reducing the cost per unit of power generation. It also offers superior cold-start performance, starting quickly and operating stably even in low-temperature environments. Operation is quieter, and vibration levels are lower, making it suitable for applications with strict noise control requirements.
Additionally, it supports 50Hz/60Hz frequency switching, meeting the standards of different regions and export projects, providing strong adaptability to various application scenarios.
High Reliability:
Based on a mature and stable platform design, the generator set features highly integrated mechanical and electronic control systems, with well-matched systems and stable, reliable operational logic. Verified through multiple complex operating conditions and harsh environmental tests, it ensures stable output even under continuous operation, high-load conditions, and challenging environments, guaranteeing a reliable power supply.
Easy Maintenance:
The integrated design ensures consistency in dimensions and interface standards between mechanical and electronic control products, achieving platform unification. This reduces the burden on customers for spare parts inventory, maintenance management, and stock configuration.
The generator set features a standardized structure, unified maintenance procedures, and high parts interchangeability, lowering maintenance costs. Combined with strong overall economic efficiency, it significantly reduces total lifecycle operation and maintenance costs, providing customers with a higher return on investment.
Technical Parameters
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Unit power |
280 KW |
Engine |
Dongfeng Cummins 6LTAA9.5-G1 |
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Generator |
Yangzhou Kangcheng KC280-4 |
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Engine: 6LTAA9.5-G1 |
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 |
Dongfeng Cummins/6LTAA9.5-G1 |
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Inhalation method |
Turbocharged & Air-to-Air Intercooled |
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Fuel system |
Mechanical pump + electronic speed controller |
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Compression ratio |
17:1 |
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Number of cylinders/arrangement |
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Displacement |
9.5 L |
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Cylinder bore * stroke |
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Rated speed |
1500rpm |
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Engine power (main/spare) |
290KW/320KW |
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Speed control system |
Electronic speed control |
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Fuel system |
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100% backup power |
200 g/kw.h |
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Basic output power 25% |
210 g/kw.h |
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Basic output power 50% |
197 g/kw.h |
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Basic output power 75% |
196 g/kw.h |
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Basic output power 100% |
199 g/kw.h |
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Lubrication system |
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Lubricating oil capacity |
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Cooling system |
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Coolant capacity |
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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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