The specification of the Gas Engine 12 V ( to drive compressor) as follows:

Model: 12V190DT2-2Rated power: 400kWNumber and layout of cylinders: 12-cylinder in V lineType: Four stroke, Water cooledFuel: Natural gasIgnition type: Spark plug ignitionIntake gas pressure required: 78-138kPaBore: 190 mmStoke: 210 mmCompression ratio: 8:1Heat consumption: ( 11386kJ/kWhOil consumption: ( 1.6 g/kWhLowest speed: 700 rpmExhaust temperature: ( 650°CNet mass: 5300 kgHeavy overhauling: 18000 h