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Jenbacher, JGS 320 GS-N.L, 999 kW, Gas Engine Generator Set

Jenbacher, JGS 320 GS-N.L, 999 kW, Gas Engine Generator Set

Description

  1. Overview
    1. Gas engine generator set in genset configuration, comprising engine, alternator and control panels.
    2. Four units are immediately available.
    3. Every unit has been fully overhauled mechanically and fitted with new control panels running the Dia.Ne XT4 control version.
    4. All components are either reconditioned or new.
    5. The sets are ready for installation and are available for inspection.
    6. Rating on the technical data sheet is the derated 999 kW (1,339.7 hp) electrical version.
    7. Fuel is natural gas.
  2. Specifications
    1. Brand: Jenbacher
    2. Model: JGS 320 GS-N.L
    3. Engine type designation: J 320 GS-C02
    4. Engine manufacturer as stated on the technical data sheet: GE Jenbacher
    5. Capacity: 999 kW (1,339.7 hp)
    6. Voltage: 400 V, 50 Hz, 1,500 rpm (generator output rating)
    7. Dimensions: 5,700 x 1,700 x 2,300 mm (L x W x H) (224 x 67 x 91 in)
    8. Weight: 16,000 kg (35,274 lb) ready for operation
    9. Condition: Used, fully overhauled and reconditioned, with new control panels
  3. Scope of Supply per Unit
    1. Engine and generator.
    2. Turbochargers and intercoolers.
    3. Ignition system.
    4. Exhaust manifolds.
    5. Fuel gas mixer.
    6. Starter motor.
    7. Gas train.
    8. New control panels (A1 and M1 control panels, Dia.Ne XT4).
  4. Performance at Full Load, Reference Conditions
    1. Electrical output 999 kW (1,339.7 hp).
    2. Mechanical output 1,029 kW (1,379.9 hp).
    3. Fuel energy input 2,525 kW (3,386.1 hp).
    4. Gas quantity 266 Nm3/h (approximately 9,910 scf/h, converted with the data sheet's own factor Sm3 = Nm3 x 1.055).
    5. Electrical efficiency 39.6 percent.
    6. Specific engine consumption 2.45 kWh/kWh.
    7. Lower heating value of the gas used for the rating 9.5 kWh/Nm3.
    8. Engine lube oil consumption approximately 0.31 kg/h (0.68 lb/h).
    9. Part load 75 percent: 796 kW (1,067.5 hp) electrical, 217 Nm3/h gas, 38.7 percent electrical efficiency.
    10. Part load 50 percent: 529 kW (709.4 hp) electrical, 152 Nm3/h gas, 36.6 percent electrical efficiency.
  5. Emissions
    1. NOx less than 250 mg/Nm3 at 5 percent O2.
  6. Genset Main Dimensions and Weights
    1. Length approximately 5,700 mm (224 in).
    2. Width approximately 1,700 mm (67 in).
    3. Height approximately 2,300 mm (91 in).
    4. Dry weight approximately 15,500 kg (34,172 lb).
    5. Weight ready for operation approximately 16,000 kg (35,274 lb).
  7. Engine Data
    1. Four stroke, V 70 degree cylinder arrangement, 20 cylinders.
    2. Bore 135 mm (5.31 in), stroke 170 mm (6.69 in), displacement 48.67 litres (12.9 gal) (2,970 cu).
    3. Rated speed 1,500 rpm.
    4. Mean piston speed 8.50 m/s (27.9 ft/s).
    5. Engine length 3,320 mm (131 in), width 1,358 mm (53.5 in), height 2,065 mm (81.3 in).
    6. Engine dry weight 5,200 kg (11,464 lb), engine weight ready for operation 5,700 kg (12,566 lb).
    7. Flywheel moment of inertia 8.61 kgm2.
    8. Direction of rotation seen from the flywheel end: left hand.
    9. Starter motor 7 kW (9.4 hp), 24 V.
    10. ISO standard power ISO-ICFN 1,029 kW (1,379.9 hp).
    11. Brake mean effective pressure at rated load and rated speed 18.00 bar (261 psi).
    12. Fuel gas: natural gas.
    13. Reference methane number 94, minimum methane number 60.
    14. Compression ratio 12.50.
    15. Permitted gas pressure range at the gas train inlet 80 to 200 mbar (1.2 to 2.9 psi), lower gas pressure on request.
    16. Permitted combustion gas flow pressure range plus or minus 10 percent.
    17. Maximum rate of gas pressure change 10 mbar/sec.
    18. Maximum second stage intercooler cooling temperature 40 C (104 F).
    19. Specific lube oil consumption 0.30 g/kWh.
    20. Maximum oil temperature 90 C (194 F).
    21. Maximum engine cooling water temperature 95 C (203 F).
    22. Oil change volume approximately 342 litres (90.3 gal) (90 US gal).
  8. Generator Data
    1. Generator manufacturer STAMFORD, type PE 734 C.
    2. Rated apparent power 1,335 kVA.
    3. Mechanical power input 1,029 kW (1,379.9 hp).
    4. Active power at cos phi 1.0: 999 kW (1,339.7 hp).
    5. Active power at cos phi 0.8: 988 kW (1,324.9 hp).
    6. Apparent power at cos phi 0.8: 1,235 kVA.
    7. Rated reactive power at cos phi 0.8: 741 kVar.
    8. Rated current at cos phi 0.8: 1,782 A.
    9. Frequency 50 Hz.
    10. Voltage 400 V.
    11. Speed 1,500 rpm.
    12. Runaway speed 2,250 rpm.
    13. Power factor range 0.8 to 1.0.
    14. Efficiency at cos phi 1.0: 97.1 percent.
    15. Efficiency at cos phi 0.8: 96.0 percent.
    16. Flywheel moment of inertia 36.33 kgm2.
    17. Mass 2,967 kg (6,541 lb).
    18. Construction form B3/B14.
    19. Protection IP 23.
    20. Insulation class H.
    21. Temperature rise class F.
    22. Maximum ambient temperature 40 C (104 F).
  9. Exhaust and Combustion Air Data
    1. Exhaust gas temperature at full load 439 C (822 F).
    2. Wet exhaust gas mass flow 5,604 kg/h (12,355 lb/h).
    3. Dry exhaust gas mass flow 5,196 kg/h (11,455 lb/h).
    4. Wet exhaust gas volume 4,430 Nm3/h.
    5. Dry exhaust gas volume 3,940 Nm3/h.
    6. Maximum exhaust back pressure at the engine outlet 60 mbar (0.87 psi).
    7. Combustion air mass flow 5,423 kg/h (11,955 lb/h), air volume 5,195 Nm3/h.
    8. Maximum permissible pressure drop across the intake air filters 10 mbar.
  10. Recoverable and Dissipated Heat
    1. Total exhaust gas heat 715 kW (958.8 hp).
    2. Exhaust gas cooled to 180 C (356 F): 455 kW (610.2 hp).
    3. Exhaust gas cooled to 100 C (212 F): 590 kW (791.2 hp).
    4. Intercooler total 265 kW (355.4 hp).
    5. First stage intercooler on the engine water circuit 177 kW (237.4 hp).
    6. Second stage intercooler on the low temperature circuit 88 kW (118.0 hp).
    7. Lube oil heat on the engine water circuit 121 kW (162.3 hp).
    8. Engine jacket cooling water heat 323 kW (433.2 hp).
    9. Radiated surface heat of the set approximately 90 kW (120.7 hp); engine alone 49 kW (65.7 hp).
  11. Cooling Circuit Data
    1. Engine cooling water circuit nominal pressure PN 10 (operating pressure 6 bar / 87 psi), pressure drop 0.20 bar, safety valve 2.50 bar (36 psi).
    2. Maximum permissible engine cooling water temperature at the engine outlet 93 C (199 F).
    3. Engine cooling water flow 31.5 m3/h (139 US gpm).
    4. First stage intercooler heat exchanger: rated 177 kW (237.4 hp), maximum cooling water inlet temperature 77.7 C (172 F), water side pressure drop 0.40 bar.
    5. Second stage intercooler heat exchanger: rated 88 kW (118.0 hp), maximum cooling water inlet temperature 40 C (104 F), cooling water flow 25.0 m3/h (110 US gpm), water side pressure drop 0.20 bar.
  12. Connections
    1. Engine cooling water inlet and outlet DN 80 / PN 10.
    2. Exhaust gas outlet DN 250 / PN 10.
    3. Combustion gas at the gas train inlet DN 80 / PN 16.
    4. Combustion gas at the genset DN 100 / PN 10.
    5. First stage intercooler water inlet and outlet DN 80 / PN 10.
    6. Second stage intercooler water inlet and outlet DN 65 / PN 10.
  13. Noise Data
    1. Sound pressure of the set 96 dB(A) re 20 microPa, measured at 1 m (3.3 ft) to DIN 45635.
    2. Sound pressure of the exhaust 122 dB(A) re 20 microPa, measured at 1 m (3.3 ft) to DIN 45635.
    3. Sound power of the set 117 dB(A) re 1 pW over a 109 m2 (1,173.3 sq ft) measuring surface.
    4. Sound power of the exhaust 130 dB(A) re 1 pW over a 6.28 m2 (67.6 sq ft) measuring surface.
  14. Reference Conditions and Standards
    1. Thermal data refer to full load at the stated reference temperatures and methane number.
    2. DIN-ISO 3046 and DIN 6271 reference conditions: air pressure 1,000 mbar or 100 m (328 ft) above sea level, air temperature 25 C (77 F), relative humidity 30 percent.
    3. Normal volume reference for gas, combustion air and exhaust gas: 1,013 mbar and 0 C (32 F).
    4. Electrical output tolerance to VDE 0530 REM / IEC-34.1 at cos phi 1.0.
    5. Recoverable thermal output tolerance plus or minus 8 percent.
    6. Vibration design to ISO 8528-9.
    7. Derating applies for installation above 500 m (1,640 ft) above sea level and/or intake air temperature above 30 C (86 F); maximum engine room temperature 50 C (122 F).
    8. Switchgear and electrical equipment limits: relative humidity 50 percent at a maximum of plus 40 C (104 F), altitude up to 2,000 m (6,562 ft).