4500 kW gas power plant

Technical specifications of the 4500 gas piston generator:

Power, kW 4500

Rotation speed, rpm 1000 (60 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 bore/stroke, mm 260/320

Displacement, dm3 271.8

Compression ratio 12.0:1

Average piston speed, m/s 10.7

Lubricating oil capacity, dm³ 2200

Average oil consumption at full load, g/kWh 0.30

Generator efficiency, % 97.95

Electric power at generator terminals, kW 4300

Jacket cooling capacity (± 8%), kW 1538

Second-stage intercooler heat transfer capacity (± 8%), kW 326

Exhaust heat transfer capacity, cooled to 120°C (± 8%), kW 2240

Engine heat radiation, kW 220

Generator heat radiation, kW 90

Fuel consumption (+ 5%), kW 9891

Electrical efficiency, % 43.5

Thermal efficiency, % 43.7

Overall efficiency, % 87.2

Cooling jacket 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