Wärtsilä 34SG-LPG gas engine for power plants

Wärtsilä 34SG-LPG gas engine

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 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 of the Wärtsilä 34SG-LPG gas engine

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

Optimised performance and efficiency supported by Wärtsilä Lifecycle solutions »

Our proudest numbers

30 sec

Power to grid

45.8%

Electrical efficiency

7.3MWe

Output

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The details

Technical data

Engine generating set
Cylinder configurations	12, 16, 20V
Cylinder bore	340 mm
Piston stroke	400 mm
Engine speed	750 rpm (50 Hz), 720 rpm (60 Hz)
Performance *
	20V34SG-LPG	16V34SG-LPG	12V34SG-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 grid	Full load
Regular start time (min:sec)	00:30	< 5
Stop time (min)	1
Ramp rate (hot, load/min)	> 100%
Minimun Load
Unit level	10%
Plant level	1%

* Rated electrical power and electrical efficiencies are given at generator terminals at 100kPa ambient pressure, 25°C suction air temperature and 30% relative humidity, and without engine driven pumps. Power factor 1.0 (site). Electrical efficiency with 5% tolerance. Site conditions, fuel and applicable emission limits may have an impact on performance figures. Please contact Wärtsilä for project-specific performance data. Emission figures for LBF must be evaluated case by case. Catalyst systems are designed based on project specific requirements. Certain fuel components are poisonous for catalyst elements. Maximum amount of these components to be limited in the fuel in applications where catalyst system is installed.

Disclaimer: The information contained herein is provided for informational purposes only and may not be incorporated, in whole or in part, into any agreement or proposal. No representation of any kind is made in respect of any information contained herein and Wärtsilä expressly disclaims any responsibility for, and does not guarantee, the correctness or the completeness of the information. The calculations and assumptions included in the information do not necessarily take into account all the factors that could be relevant in a particular case. Information herein shall not be construed as a guarantee or warranty of the performance of any Wärtsilä technology, equipment or installation.

Product leaflet

Wärtsilä 34SG-LPG gas engine - leaflet

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