Technical data of the Sumab (MWM) 4000 gas piston genset:
Sumab 4000 (MWM TCG 2032 V16 engine)
Power, kW 4000
Speed, rpm 1000 (50 Hz)
Mean effective pressure, bar 20
Exhaust gas temperature (approx.), °C 436
Wet exhaust gas mass (approx.), kg/h 22217
Combustion air quantity (approx.), kg/h 21488
Supply air temperature, (min./opt.), °C 10/25
Supply air quantity (approx.), kg/h 114305
Cylinder diameter/piston stroke, mm 260/320
Displacement, dm3 271.8
Compression ratio 12.0 : 1
Average piston speed, m/s 10.7
Lubricating oil volume, dm3 2200
Average oil consumption at full load, g/kWh 0.30
Generator efficiency, % 97.95
Electric power at generator terminals, kW 4300
Cooling jacket heat transfer power (± 8%), kW 1538
2nd stage intercooler heat transfer power (± 8%), kW 326
Exhaust heat transfer power,
cooled to 120 °C (± 8%), kW 2240
Engine heat radiation, kW 220
Generator heat radiation, kW 90
Fuel consumption power (+ 5%), kW 9891
Electrical efficiency, % 43.5
Thermal efficiency, % 43.7
Overall efficiency, % 87.2
Cooling jacket fluid flow rate (min/max), m3/h 105/130
Engine KVS coefficient, m3/h 93.0
Intercooler coolant flow rate, m3/h 65
Intercooler KVS coefficient, m3/h 57
Cooling jacket volume, dm3 570
Intercooler coolant volume, dm3 51