Engine of CUMMINS E30GL Diesel Generator Set for Landuse
Engine model DCEC Cummins 4BT3.9-G
No. of cylinders 4(in-line)
Displacement(L) 3.9
Induction system natural inflow
Combustion system A type fuel pump
Bore*Stroke(mm) 102*120
Compression ratio 16.5:1
Rated speed(rpm) 1500
Maximum power(KW/HP) 40/54.4
speed control system Mechanical/Elelectrical speed governor
exhaust smoke level(m3/min) 6.48
Exhaust temperature(°C) 487
Maxium exhaust back pressure(kPa) 10
Maxium intake pressure(kPa) 6.35
Air consumption(m3/min) 2.69
Air flow(m3/min) 146
100% load fuel consumption(L/H) 11
The total capacity of oil(L) 10.9
Oil consumption(g/kwh) ≤4
Oil sump capacity(L) 9.5
Rated oil pressure(kPa) 345
Coolant capacity (engine and radiator)(L) 14.3
Thermostat opening temperature(°C) 82-95
Maximum water temperature(°C) 104
Alternator of CUMMINS E30GL Diesel Generator Set for Landuse
Alternator model(Stamford) BCI184H
Alternator model(Marathon) GM-30-4
Alternator model(Engga) —
Phase 3
Winding connection 4 wire 3 phase ,Y type
Starter battery capacity(Ah) 90*2
Starter battery voltage(V) 24
No. of bearings 1
Power factor 0.8
Protection class IP23
Altitude requirement(m) ≤1000
Excitation mothod Brushless
Insulation class /temperature class H/H
Steady-state voltage reguation ≤±1%
Alternator capacity 37.5KVA
Alternator efficiency 86.60%
Cooling air flow(m3/s) 0.15
voltage regulate range ≥±5%
Steady-state voltage reguation ≤±1%
Transient voltage deviation (100% sudden power reduction) ≤+25%
Transient voltage deviation (sudden power incremen) ≤-20%
Voltage stabilization time (100% sudden power reduction)(S) ≤6
Voltage stabilization time (sudden power increment) (S) ≤6
Steady-state frequency regulation ≤5%
Frequency volatility ≤1.5%
Transient frequency deviation (100% sudden power reduction) ≤+12%
Transient frequency deviation (sudden power increment) ≤-10%
Frequency recovery time(100% sudden power reduction)(S) ≤5
Frequency recovery time (sudden power increment)(S) ≤5
CUMMINS E30GL Diesel Generator Set for Landuse
Model E30GL
Continous output(50Hz) 30KW/38KVA
Standby output(50Hz) 33KW/41KVA
Rated frequency(Hz) 50/60
Open type external dimension of base fuel tank(mm) 1860*740*1250
Net weight(kg) 840
Silent type external dimension(mm) 2230*1060*1680
Weight(kg) 1350
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