Business case: 36kW/45kVA silent type diesel genset powered by CUMMINS

Aug 23, 2023


Business case: 10 sets delivered to Colombia



1.   Genset main specifications
Genset   modelSC50GF
Rated   power(KW/KVA)36/45
Standby   power(KW/KVA)40/50
Rated   Current/Max. Current(A)118.1/131.22
Reference   sizes (L*W*H)Silent   type: 2450*1050*1250mm
Reference   weightSilent   type 1100kg
Rated   output voltage(V)220/127V
Frequancy   (Hz)60
Rated   speed(rpm)1800
Rated   power factor0.8
Exciting   modeBrushless,self-exciting
Starting   mode24V   electrical starting
Speed   regulationElectronic   Governor
Cooling   modeEnclosed   fan,water-cooled
2.   Gensent main performance index
Frequency   drop (%)0-5
Steady-state   frequency band(%)≤1.5
Transient frequency deviation100%   sudden power reduction(%)≤+12
Sudden power boost(%)≤-20
Frequency   recovery time (S)≤5
Relative   frequency tolerance band(%)2
Steady   voltage deviation(%)≤±2.5
Transient Voltage deviation100%   sudden power reduction(%)≤+25
Sudden power boost(%)≤-20
Voltage   recovery time (S)≤6
3.   Engine technical specs
ModelCummins   4BT3.9-G2
Rated   power(KW/KVA)40/50
Max.power(KW/KVA)44/55
Rated   speed(rpm)1800
TypeDirect   line, Water-cooled, Four stroke
Intake   typeTurbocharged
Cylinder   No.4.L
Compression   ratio18   : 1
Bore*Trip102*120
100%   rated output fuel consumption221g/kW.h(2.827gal/h)
75%   rated output fuel consumption230g/kW.h(2.219gal/h)
Oil   capacity11   L
Displacement3.9   L
4.Alternator   technical specs
ModelSP   POWER 184J
Rated   power(KW)36
Voltage(V)220/127
Rated   frequancy(Hz)60
Insulation   classH   class
Protection   classIP23
Phase   & wires3   Phase 4 wires
Voltage   regulatorAVR
Exciting   modeBrushless,   Self-excited,100% cooper
5.   Control system specs
ModelSmartgen   6120
DisplayLCD(132*64)
Controller   languageChinese   & English & Spanish & Russian & Others
AlarmSpeed   is too high / too low
    Battery voltage is too low / high
    Start and stop failure
    Charging failed
    Overcurrent
    Voltage is too low/high
    Oil pressure is too low
    Emergency stop
    Engine temperature is too high
    Overload
Display contentsVoltage   (Phase-Phase/Phase-Line)
    Engine Oil Pressure
    Current (L1, L2, L3)
    Engine temperature
    Frequency (Hz)
    Battery voltage
    Engine running hours
    KVA, KWh
    Genset real-time power
    Genset Cos (σ)



Configuration   Details


ItemModelQuantityRemarket
EngineCummins   4BT3.9-G21Installed
AlternatorSP POWER 184J1Installed
Cooling   water tankCummins   original tanks1Installed
Output   circuit breakerCHNT brand1Installed
Control   systemSmartgen brand1Installed
ChassisFuel tank   included1Installed
Diesel   filterOriginal   accessories1Installed
Oil   filterOriginal   accessories1Installed
Air filterOriginal   accessories1Installed
BatteryMaintenance-free   battery1Installed
Battery   cablePure copper   battery wire1Installed
DashpotOriginal   accessories1Installed
Corrugated   pipe, silencer/1Installed
Silent   canopy1.5mm cold   plate; 40mm high-performance sound-absorbing sponge applied inside; noise   65~70dB in distance of 7 meters1Installed
Accessories   and materials included
1Attachement


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