Product Card

DieselEngine
EngineManufacturer/Brand...................................Cummins
EngineModel.....................................................4BTA3.9G2
DimensionsL×W×H................................884.9*748.4*985.6
DryWeigh(approx.)...................................................350kg
NumberofCylinders...........................................................4
Bore..........................................................................102mm
Stroke.......................................................................120mm
Displacement.................................................................3.9L
CompressionRatio........................................................16.5
Typeofinjection............................................Directinjection
IntakeSystem......Turbocharged,water-to-airchargecooled
IntakeResistance................................................
6.28kPa
CoolingSystem...............................................Watercooled
Fan...........................................................................Pusher
BatteryVoltage.........................................................12/24V
TypeofFuel................................................................Diesel
TypeofOil........................................................15W40-CF4
OilCapacity...................................................................9.5L
TypeofCoolant............................................Glycolmixture
CoolantCapacity.........................................................20.8L
BackPressure......................................................
10.1kPa
StandbyPower............................................................55kW
PrimePower................................................................50kW
FuelConsumption(100%load).............................216g/kW.h
Alternator
AlternatorManufacturer/Brand..............................Stamford
AlternatorModel....................................................UCI224E
Exciter...................................................................Brushless
CoolingFan.........................................Castalloyaluminum
Windings..........................................................100%copper
InsulationClass.................................................................H
WindingPitch...................................................................2/3
Terminals..........................................................................12
DripProof.....................................................................IP23
Altitude.....................................................................≤1000m
Overspeed.............................................................2250rpm
AirFlow.........................0.216m³/s(50HZ),0.281m³/s(60HZ)
VoltageRegulation.....................................................±1.0%
TotalharmonicTGH/THCatnoload<1.5%-onload<5%
TelephoneInterference..............................THF<2%;TIF<50
PLC-7420ControlSystem
PLC-7420isanadvancedcontrolmodulebasedonmicro-
processor,containingallnecessaryfunctionsforprotection
ofthegensetandthebreakercontrol.Itcanmonitorthe
mainssupply,andautomaticallystarttheenginewhenthe
mainsisabnormal.Accuratelymeasurevariousoperational
parametersanddisplayallvaluesandalarmsinformationon
theLCD.Inaddition,thecontrolmodulecanautomatically
shutdowntheengineandindicatetheenginefailure.
•Microprocessorcontrol,withhighstabilityandcredibility
•Monitoringandmeasuringoperationalparametersofthe
mainssupplyandgenset
•Indicatingoperationstatus,faultconditions,allparame-
tersandalarms
•Multipleprotections;multipleparametersdisplay,like
pressure,temp.etc.
•Manual,automaticandremoteworkmodeselectable
•Realtimeclockfortimeanddatedisplay,overallruntime
display,250logentries
•Overallpoweroutputdisplay
•Integralspeed/frequencydetecting,tellingstatusof
start,ratedoperation,overspeedetc.
•CommunicationwithPCviaRS485ORRS232interface,
usingMODBUSprotocol