Description Overview Overall dimensions: length A = 3100 mm, length B = 1300 mm, length C = 2176 mm Weight: 3900 kg Engine Specifications Manufacturer: Guascor Engine type: SFGLD 180 Cycle: 4 stroke Cylinder number: 6 Disposition: in line Aspiration: turbocharged-aftercooled Rotation (from flywheel end): counter clockwise Bore: 152 mm Stroke: 165 mm Displacement: 18 litres Speed: 1500 rpm Compression ratio: 11.8 to 1 Mechanical power 24h/24 (continuous duty) ISO 3046/1: 314 kWb Electrical power 24h/24 (continuous duty) cos=1: 300 kWe Maximum exhaust back pressure: 450 mm wc Thermal Balance Data Maximum back pressure allowable on exhaust: 450 mm H20 Heat data at: 100% load Mechanical power: 315 kW Bmep: 14 bar Thermal efficiency: 41.9% Ht Circuit Heat in main water circuit: 181 kW Water flow in ht circuit: 25 m3/hr Pressure drop in ht circuit: 0.28 bar Lt Circuit Heat in secondary water circuit: 70 kW Water flow in lt circuit: 15 m3/hr Pressure drop in lt circuit: 0.52 bar Exhaust Gas Heat in exhaust gases [25 °C]: 169 kW Heat in exhaust gases [120 °C]: 124 kW Exhaust gas temperature: 400 °C Exhaust gas flow rate: 1480 kg/hr Intake air flow rate: 1420 kg/hr Ambient temperature taken for above data: 25 °C Tolerances Fuel consumption: [=5,-0] % Cooling circuit and exhaust gases: [+,-] 15% Exhaust temperature: [+,-] 20 °C Mass flow rates: [+,-] 10% Mechanical pumps: not included Overloads: not included Alternator Specifications Typical alternator specifications, make Stamford/Leroy Somer Kva based rating: 380 kva (3 phase) Frame: HC4F Control system: separately excited (PMG) or self excited (no PMG) Avr: MX341, MX321, SX440, or SX421 Voltage regulation: 1.00% or 0.50% With 4% engine governing SX440 is standard AVR Insulation system: class H Protection: IP23 standard Rated power factor: 0.8 lag Stator winding: double layer lap Winding pitch: two third Winding leads: 12 Overload: 10% overload for 1 hour once every 12 hours Wave form distortion: no load <1.8%, non distorting balanced linear load Maximum overspeed: 2250 rev/min Bearing drive end: ball 6317-2RS (ISO) Bearing non-drive end: ball 6314-2RS (ISO) Voltage series star (Y): 415/240 Frequency: 50 Hz Weight complete generator: 1170 kg (1 bearing) or 1160 kg (2 bearing) Weight wound stator: 535 kg Weight wound rotor: 473 kg (1 bearing) or 440 kg (2 bearing) Wr2 inertia: 6.91 kgm2 (1 bearing) or 6.61 kgm2 (2 bearing) % efficiency @ 0.8 pf and 100% load: 93.9 Stator winding resistance (L-L) @ 22 °C: 0.02 ohms Rotor winding resistance at 22 °C: 1.35 ohms Xd dir axis synchronous: 2.15 Xd dir axis transient: 0.14 Xd dir axis subtransient: 0.1 Xq quad axis reactance: 1.86 Xq quad axis subtransient: 0.25 Xl linkage reactance: 0.05 X2 negative sequence: 0.18 X0 zero sequence: 0.07 Reactances are saturated, values are per unit at ratings and voltage indicated Td transient time constant: 0.08 Td subtransient time constant: 0.019 Tdo o.c. field time constant: 1.7 As armature time constant: 0.018 Short circuit ratio: 0.465
