MAN, 18V32/40, 8.7 MW, 50 Hz, 12 Generating Sets

Description

  1. Overview
    1. Size is 8.7 MW el
    2. Currently manufactured for 60 Hz
    3. If necessary to convert to 50 Hz, generator will be changed and turbocharger as well
  2. Design Data
    1. Site conditions: all offered equipment is designed to operate within the following ambient conditions:
      1. Altitude above sea level: 700 m
      2. Minimum ambient air temperature: 20 °C
      3. Maximum ambient air temperature: 39 °C
      4. Maximum wet bulb temperature: 31 °C
      5. Operation outside of these limits is without guarantee
    2. Generating sets: in response to your request, this quotation is for 12 generating sets based on the MAN 18V32/40 engine:
      1. Number of generating sets: 12
      2. Engine type: 18V32/40
      3. Engine speed: 750 min-1
      4. Lube oil pump: engine driven
      5. HT cooling water pump: engine driven
      6. LT cooling water pump: engine driven
      7. Electrical system: the offered equipment is based on the following electrical values:
        1. Operation mode: island mode / grid parallel
        2. Frequency: 50 Hz
        3. Power factor: cos ^ 0.9 leading...0.8 lagging
        4. High voltage: n.a.
        5. Medium voltage: 11 kV
        6. Low voltage: 400 V
    3. Other design data:
      1. Foundation - soil bearing capacity: > 200 kN/m2
      2. Earthquake design:
        1. Code: DIN-EN-1998-1
        2. Peak ground acceleration (PGA): 0.2 g
      3. Lube oil: engine lube oil has to be in accordance with the requirements as stated in section 9.1.1
      4. Requirements for viscosity:
        1. Viscosity class (40°): SAE40
      5. Cooling method: the cooling system of the engine is designed for cooling water in accordance with the requirements as stated in section 9.1.2
      6. Engine cooling water circuits with glycol content of 0% considered
      7. Features of the cooling water system:
        1. Type of cooling system: radiator
      8. Fuel system: the engine fuel oil system is designed based on heavy fuel oil in accordance with the requirements as stated in section 9.1.4
      9. Alternatively the engines can be operated on diesel fuel oil in accordance with the requirements as stated in section 9.1.3 for up to 72 hours at a time
      10. Intake air: ambient air free of dust, salt and sand, aspirated from outside power house
      11. Intake air has to be in accordance with the requirements as stated in section 9.1.5
      12. Permissible frequency limits in grid parallel operation: the maximum continuous engine output is ensured at a mains grid frequency exceeding up to max. +4%, whereas at a frequency drop to max. -5%, the power output is continuously reduced to 96% MCR
      13. We permit operation of the engines up to +5% frequency fluctuations for maximum 120 seconds
      14. In any case, the maximum permissible mains grid frequency deviation is ±5%
      15. Load application in island operation: permissible load increase in one step is max. 20% of the actual load; engines equipped with jet assist can handle load steps of up to 25%
      16. The offered generating sets comply with ISO 8528-5 class G2
      17. Power fluctuations: these power fluctuations do not affect the operational safety of the generating set; this behavior is in accordance with ISO 8528-5 and does as per MAN-ES experience not affect net stability in an unacceptable range
  3. Performance Data
    1. Site reference conditions: all data provided in this budgetary document is non-binding; this data is for informational purposes only and is not guaranteed in any way
    2. The stated performance data is based on the design data as per section 1.1 and calculated for the following reference conditions:
      1. Air inlet temperature (before air inlet filter): 34 °C
      2. Relative humidity: 80%
      3. Air inlet pressure (before air inlet filter): 932 mbar
      4. Charge air temperature before cylinder: 60 °C
      5. Exhaust gas back pressure: < 30 mbar
      6. Intake air pressure loss: < 20 mbar
    3. Measuring tolerances: tolerances in the measuring equipment shall be considered additionally and are not included in the figures stated herein; tests will be done according to ISO 15550:2002 (ISO 3046-1:2002)
    4. Continuous power of the generating set: the continuous power of one generating set 18V32/40 at above defined reference conditions is 8617 kWel
    5. The abovementioned power is the electrical output of the generating set as measured at the generator terminals with a power factor of 0.8
    6. Applicable standard is ISO 3046
    7. Specific fuel oil consumption (SFOC): the specific fuel oil consumption at continuous power as per section 1.2.1 and at above defined reference conditions will not exceed 193.4 g/kWhel + 5% tolerance
    8. The specific fuel oil consumption is related to a net calorific value (NCV) of 42700 kJ/kg; separation and leakage losses are not included in the above consumption rates
    9. The stated value is based on ISO 3046-1:2002; corrections due to site conditions differing from the site reference conditions stated above must be executed according to the MAN standard procedure; the value stated above is the average of all generating sets
    10. Lubricating oil consumption: the lube oil consumption of one generating set at reference conditions as defined above will not exceed 4.5 kg/h + 20% tolerance
    11. The value stated above is without any losses due to clean