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Cummins Diesel Generator 4BTA3.9-G2 Silent Generator Set Open Type Genset
Power calibration:
diesel generator set is a combination of a diesel engine and a
synchronous alternator. The maximum power allowed to use diesel
engine is limited by the mechanical load and thermal load of parts,
so the maximum power allowed to run continuously is called the
calibrated power;
Diesel engine can not exceed the calibrated power use, otherwise it
will shorten its service life, and may even cause accidents.
According to the national standard, the calibrated power on the
diesel nameplate is divided into the following four
CAT-parts-partsegories;
1) 15min power: that is, the maximum power allowed to run the
diesel engine for 15min. Overload operation may be required in a
short time and the calibrated power with acceleration performance
is required, such as the calibrated power of diesel engines of
automobiles and motorcycles.
2) 1h power: that is, the maximum effective power of the diesel
engine allowed to run continuously for 1h. Such as wheeled tractor,
locomotive, Marine diesel engine calibration power.
3) 12h power: that is, the maximum effective power of the diesel
engine allowed to run continuously for 12h, that is, we often say
the rated power. Such as power station unit, engineering machinery
with diesel engine calibration power.
4) Continuous power: that is, the maximum power allowed by the
diesel engine to run continuously for a long time.
Cummins Technical Parameters(20-60KW) | |||||
Genset | Model | GSKA22S | GSKA33S | GSKA50S | GSKA66S |
Rated Power(KW/KVA) | 20/25 | 30/37 | 45/56 | 60/75 | |
Standby Power(KW/KVA) | 22/27 | 33/41 | 50/62 | 66/82 | |
Rated Current(A) | 36 | 54 | 81 | 108 | |
weight(kg) | 1070 | 1320 | |||
Size(mm) | 1480*710*1120 | 2250*920*1400 | |||
Diesel Engine | Model | 4B3.9-G1 | 4BT3.9-G1 | 4BTA3.9-G2 | 4BTA3.9-G11 |
Manufacturer | DCEC | ||||
Continuous Power(KW) | 24 | 36 | 50 | 70 | |
Standby Power(KW) | 26 | 40 | 55 | 80 | |
Number of Cylinders | 4 | ||||
Cylinder Diameter*Stroke(mm) | 102*120 | ||||
Cylinder Arrangement | In-line | ||||
Compression Ratio | 16.5 | ||||
Displacement(L) | 3.9 | ||||
Intake Type | Exhaust gas turbocharger | ||||
Cooling Type | Tank fan cooling | ||||
Rated Speed(rpm) | 1500 | ||||
Fuel Consumption(g/kwh) | ≤198 | ||||
Discharge Temperature(℃) | 576 | ||||
Unpitched Sound(db) | 98 | ||||
Speed Regulation | Electronic Speed Regulation | ||||
Alternator | Nominal Voltage(V) | 400/230 | |||
Alternator(Optional) | Leroy-Somer, Stamford, Engga, Marathon, Elmaer, Wandi, etc. | ||||
Rated Capacity(KW/KVA) | 20/25 | 30/37 | 45/56 | 60/75 | |
Rated Power Factor | 0.8(lag) | ||||
Exciter Type | Self Excitation Brushless | ||||
Maximum Voltage Adjustment Rate | ±1% | ||||
Phase | Three-phase Four-wire | ||||
Control Panel | Control Cabinet Model | TBZK880 | |||
Controller(Optional) | SmartGen, Deepsea, Comap | ||||
Rated Capacity of Circuit Breaker(A) | 100A |