We are offering for sale two CHP units with the following
specifications:
Manufacturer: Jenbacher
Type of motor: J 412 GS-B05
Engine Type: 4-stroke, V 70°, 12-cylinder gas engine
Displacement: 36.66 liters
Rated Speed: 1,500 rpm
Starter Power: 7 kW, 24 V
Rotation Direction (viewed from flywheel): Counterclockwise
CHP Unit 1 (X028)
- Engine operating hours: 38,354 h
- Generator operating hours: 29,457 h
- Engine starts: 466
CHP Unit 2 (X029)
- Engine operating hours: 37,551 h
- Generator operating hours: 28,608 h
- Engine starts: 421
Engine Technical Specifications
- Bore × Stroke: 145 mm × 185 mm
- Mean Piston Speed: 9.25 m/s
- Engine Dry Weight: 5,200 kg
- Operating Weight: 5,695 kg
- Dimensions (L × W × H): 3,200 mm × 1,495 mm × 2,085 mm
- Mass Moment of Inertia: 9.42 kgm²
Thermal Performance
- Fuel Input Power: 2,098 kW
- Cooling Outputs:
- Engine cooling water: 239 kW
- Lubricating oil: 125 kW
- Exhaust gas (cooled to 180 °C): 300 kW
- Exhaust gas (cooled to 100 °C): 413 kW
- Surface losses: 46 kW
Exhaust and Combustion Air Data
- Exhaust Temperature (full load): 385 °C
- Exhaust Mass Flow (wet / dry): 4,717 kg/h / 4,390 kg/h
- Combustion Air Mass Flow: 4,571 kg/h
- Combustion Air Volume Flow: 3,537 Nm³/h
- Max. Intake Pressure Drop (Air Filter): 10 mbar
- Max. Backpressure at Engine: 60 mbar
Acoustic Emissions
Sound Pressure Levels (Engine):
- Overall Level: 96 dB(A)
- Frequency range: 31.5 Hz to 8000 Hz (84–95 dB)
Sound Pressure Levels (Exhaust):
- Overall Level: 117 dB(A)
- Frequency range: 105–120 dB
Sound Power Levels:
- Engine: 116 dB(A)
- Exhaust: 125 dB(A)
Generator Specifications
Manufacturer: Stamford
Model: PE 734 C e
- Rated Apparent Power: 1,268 kVA
- Rated Active Power: 928 kW
- Voltage: 400 V
- Frequency: 50 Hz
- Power Factor: 0.8
- Efficiency (cos φ = 1.0): 97.1%
- Efficiency (cos φ = 0.8): 96.2%
- Speed: 1,500 rpm
- Mass: 2,967 kg
- Short-Circuit Current (Ik): 15.92 kA
- Enclosure Class: IP 23
- Insulation Class: H
Heat Recovery System
Hot Water Circuit:
- Recoverable Thermal Power: 945 kW
- Flow Temperature: 90 °C
- Return Temperature: 70 °C
- Flow Rate: 40.6 m³/h
- Pressure Loss: 1.2 bar
- Pressure Rating: PN 10
Cooling Water Circuit:
- Thermal Output to be Removed: 56 kW
- Flow Temperature: 40 °C
- Flow Rate: 20 m³/h
- Pressure Rating: PN 10
Exhaust Gas Heat Exchanger:
- Type: Tube heat exchanger
- Backpressure: 0.02 bar
- Connection: DNPN 300/10
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