CE approved low fuel consumption 60hz 440v 20kw silent diesel generator set
USD $4,500 - $8,500 /Set
Min.Order:1 Set
Taizhou Fengde Mechanical & Electrical Manufacturing Co., Ltd.
1. 20kw silent diesel generator set general specifications:
1) Output range: 20kW (25kVA)
2) Engine model: cummins engine
3) Alternator: Stamford, Marathon series Stamford copy
4) Water-cooled
5) 8hrs operation base tank
6) Key start / auto start
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CE approved low fuel consumption 60hz 440v 20kw silent diesel generator set
Diesel generating engine parameter:
Cummins engine Technical Data
Engine model | 4B3.9-G2 |
Engine manufacturer | Cummins |
Number of cylinders | 4 |
Cylinder arrangement | Vertical in-line |
Cycle | Four stroke |
Aspiration | Naturally |
Bore×Stroke (mm×mm) | 102 x 120 |
Displacement (Liter) | 3.9 |
Compression Ratio | 16.5:1 |
Prime power/speed (kW/RPM) | 24/1800 |
Standby power/speed (kW/RPM) | 27/1800 |
Speed governor | Electrical |
Cooling system | Forced Water Cooling Cycle |
Steady speed droop (%) | ≤1% |
Total lubrication system capacity (L) | 11 |
Coolant capacity (engine only) (L) | 7.2 |
Fuel consumption at 100% load (g/kWh) | 229 (at 1500RPM) |
Starter motor | DC24V, |
Marathon Alternator Technical Data
Alternator model | GM-20-4 |
Alternator manufacturer | Marathon |
Exciter type | Single bearing, Brushless, Self-excited |
Rated output prime power | 20 kW |
Rated speed | 1800 RPM |
Rated frequency | 50 Hz |
Phase | 3 |
Rated voltage | 440 V(Available with customer requirements) |
Power factor | 0.8 |
Voltage adjust range | ≥5% |
Voltage regulation NL-FL | ≤±1% |
Insulation grade | H |
Protection grade | IP23 |
Control system:
a) Automatic alarm system: the unit has the acousto-optics alarm system and arrestor for any situation as the start defeat, the water is over temperature, the oil pulls down, over speed, over load and over current
b) Operation display:
c) Unit voltage, tri-phase load current and frequency display
d) Water temperature, oil pressure display
e) Fuel level, fuel temperature display
f) Audible and visual alarm lamps and buzzers
. Starting system: DC alternator is used to start engine
. Short circuit protection: MCCB air switch
. Cooling system: combined cooling water tank fitted to meet the requirement of radiation at ambient
picture for reference