VULKAN Couplings Marine propulsion

Electric Drive with Four-Stroke Dual Fuel Engines

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LNG / LPG gas tankers exploit the property of their cargo to expand for their own propulsion. Although in the past mostly steam turbines were used that were suitable for this fuel, in the last few years, particularly due to more stringent laws on emissions, there has been a rethink towards more efficient, cleaner and compact propulsion designs. The most useable, in the meanwhile, is the main propulsion drive using electric motors. The energy required to power them is produced by a power plant. This unit consists of several gensets and their four-stroke, dual fuel motors are driven by boil-off gas. The gas drive places even higher demands on the highly flexible coupling to keep the vibratory stress in the system to an acceptable level for the connected components.

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