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Certification and warranty
• Complies with ISO8528-2005and GB/T2820-2009 "Reciprocating internal combustion engine driven AC generator sets" standards.
• The design and manufacturing units of the generator sets have passed ISO9001 or ISO9002 certification.
• Cummins provides a 1-year or 1,000-hour warranty and covers the entire generator set, including the engine, generator, and control system.
• A nationwide professional service network provides customers with 24-hour after-sales service and technical support.
Performance characteristics
• Advanced design and sophisticated manufacturing adapt to harsh working conditions, with high strength and strong heavy-load operation capabilities.
• Holset wastegate valve has better power performance.
• The integrated design of cylinder block, cylinder head and other parts makes them"multi-functional”, reducing the number of connecting parts. The number of parts is 40% less than other similar engines, which greatly reduces the failure rate.
• Excellent reliability :Forged steel camshaft and crankshaft, high-strength cylinder design, high rigidity, strong high- pressure resistance and longer service life .
• The platform-grinded cylinder liner with perfect geometric structure effectively prevents oil leakage.
• The rotor high-pressure fuel pump has lower fuel consumption and effectively reduces noise.
Technical specifications of 50KVA Cummins generator set (silent type) | ||
Environmental requirements | ||
Altitude (m): ≤1000 Fuel standard: 0# light diesel Atmospheric pressure (kPa): ≥89.9 Engine oil standard: CF grade/15W-40 Inlet air temperature (℃): ≤40 | Water PH: 6.5~8 Relative humidity: ≤60% Surface mold growth level: ≤GB/T2423.16/Level 2 Earthquake resistance: horizontal acceleration 0.2g, vertical acceleration 0.1g | |
Generator set parameters | ||
Model: Silent Unit model: KC50GF Standby power (KW): 50 Common power (KW): 45 Unit size (mm): 2450x1100x1650 Unit weight (kg): 1743 Speed (r/min): 1500 Fuel consumption (g/kw.h): 216 LP7m noise (dB): 70~85 | Transient voltage regulation: ≤-15%/+20% Steady-state voltage regulation: ≤±1% Voltage stabilization time: ≤3sec Voltage fluctuation rate: ≤0.5% Voltage waveform distortion: ≤8% Steady-state frequency regulation rate: ≤5% Transient frequency regulation rate: ≤-10%/+12% Frequency stabilization time: 3 seconds Frequency volatility: ≤1.5% | |
Engine parameters | ||
Diesel engine brand: Cummins Manufacturer: (DCEC) Dongfeng Cummins Engine Co.,Ltd. Diesel engine model: 4BTA3.9-G2 Standby power (KW): 55 Number of cylinders/arrangement: 4 cylinders/in-line Compression ratio: 16.5:1 Cylinder diameter*stroke (mm): 102x120 Displacement(L): 3.9 Oil pressure (kPa): 345 Engine oil temperature (℃): ≤121 | Oil capacity (L): 9 Coolant volume (L): 7.9 (engine only) Fuel system: NYC A-type inline pump Cooling method: closed water cooling cycle Speed regulation mode: electronic speed regulation Starting method: DC24V electric start Air intake mode: supercharged, intercooled Type: Four-stroke Constant load steady state fluctuation rate: ±0.25% Power deviation: ≤±5% | |
Generator parameters | ||
Generator brand: Stamford Manufacturer: Cummins Generator Technology (China) Co., Ltd. Generator model: UCI224E S1L2-R1 Capacity: 60KVA 55KVA Voltage: 400V/230V Type: Brushless, single bearing, rotating magnetic field Excitation system: self-excitation, automatic voltage regulation Winding structure: 2/3 pitch Phase number: three-phase four-wire | Insulation grade: H Power factor: COSφ= 0.8 lag Telephone Interference Factor:TIF: <50 Wiring: Y-type connection Telephone harmonic coefficient: THF: <2% Protection level: IP23 Radio interference: Meets BS800 and VDE G, N levels Meet the standards: GB755, BS5000 Part 3, VDE0530, NEMA MG1-22, IEC-34, GSA C22-100, AS1359 | |
Standard configuration | ||
Engine part: engine, diesel filter, air filter, oil filter, charger, starter motor. Generator part: generator, air switch. Control system: LCD digital display controller, electronic speed regulator. Other parts: water tank radiator, steel base, vibration damping pad. Accessories: muffler, battery, battery cable, engine oil, and anti-vibration pads. | ||
Implementation standards | ||
Military Standard GJB 5785-2006 National Standard GB/T 2820-2002 Communications Standard YD/T 502-2007 | Industry standard JB/T 10303-2001 Environmental protection qualification certification Noise and vibration Class A/Exhaust gas Class A Taier quality certification YD/T502-2007* | |
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