Improved profitability and reduced emissions

An upgrade package involving a turbocharger exchange to improve engine output and increase certainty of operation.

In most cases, at 50,000 hour intervals, turbochargers require a major overhaul and the rotating parts need to be replaced. However, instead of carrying out this extensive maintenance work, it can make more sense to utilize Wärtsilä’s upgrade package and exchange the turbocharger to take advantage of the latest generation technology.

The benefits of the efficiency improvements are considerable. A reduction in fuel consumption of up to 4 percent can be achieved, thanks to the optimised engine tuning and higher boost.

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By implementing the complete power and efficiency upgrade, the Wärtsilä 34SG engine’s power output can be increased by up to 20% within the alternator limit. At the same time, the engine’s efficiency is also improved by up to 1%.

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The pre-chamber of the Wärtsilä 34SG engine is optimized by using advanced three-dimensional, computerized fluid dynamics.

The pre-chamber is the ignition source for the main fuel charge, and is thus one of the essential components of a lean-burn spark-ignited gas engine. The advantages of the new pre-chamber include more stable combustion, which results in a more stable load and improved overall efficiency.

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