Wärtsilä 34SG-LPG

The Wärtsilä 34SG-LPG is a four-stroke, spark-ignited, lean-burn gas engine generating set. It has been specifically designed to operate on propane gas fuel and provides an excellent fit for flexible baseload and industrial applications.

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Wärtsilä 34SG-LPG engine generating set

Wärtsilä 34SG-LPG is based on proven Wärtsilä 34SG technology designed for natural gas operation, with more than 1300 units having been delivered during the past 20 years. The Wärtsilä 34SG-LPG features a wide power output range from 4.2 to 7.4 MW, as it is available in 12V, 16V and 20V cylinder configurations. Wärtsilä engine power plants can be delivered both as EPC and Equipment Delivery contracts.

 

Key benefits

  • Runs on both propane and natural gas
  • Has the flexibility to run on natural gas if it is available, and can switch fuels while operating
  • Outstanding simple cycle efficiency with propane fuel
  • Turbocharged gas engine technology offers the highest possible simple cycle efficiency
  • High operational flexibility including fast starting and loading capabilities 

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Our proudest numbers

30 sec

Power to grid

45.8%

Electrical efficiency

7.3MWe

Output

The details

Technical data

Engine generating set
Cylinder configurations12, 16, 20V
Cylinder bore340 mm
Piston stroke400 mm
Engine speed750 rpm (50 Hz), 720 rpm (60 Hz)
Performance
 20V34SG-LPG16V34SG-LPG12V34SG-LPG
Rated electrical power (kW)7 346 (50Hz) 7 041 (60Hz)5 873 (50Hz) 5 618 (60Hz)4 380 (50Hz) 4 185 (60Hz)
Electrical efficiency (%)45.8 (50Hz) 45.7 (60Hz)45.8 (50Hz) 45.6 (60Hz)45.5 (50Hz) 45.3 (60Hz)
Heat rate (kJ/kWh)7 862 (50Hz) 7 875 (60Hz)7 867 (50Hz) 7 899 (60Hz)7 906 (50Hz) 7 944 (60Hz)
Loading and unloading
 Connected to gridFull load
Regular start time (min:sec)00:30< 5
Stop time (min)1
Ramp rate (hot, load/min)> 100%
Minimun Load
Unit level10%
Plant level1%

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Build your own power plant

1MWh

1MW

100MW

200MW

300MW

400MW

> 500MW

Liquid fuels

Natural gas

Liquid fuels and gas

Flexible baseload (>6000 running hours annually)

Intermediate load (2000 - 6000 running hours annually)

Peaking and grid stability (<2000 running hours annually)

Emergency

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