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• MTU 20V4000U83 submarine engine to meet increased power requirements of future submarines • mtu NautIQ ship automation for integrated control of the entire submarine operation. 30 October 2024 Rolls-Royce is developing new and advanced concepts to show navies how they can meet the growing challenges of undersea national defense. These include a significantly more powerful mtu submarine charging unit and mtu NautIQ automation systems for underwater ship control. Both will be unveiled by Rolls-Royce Power Systems at the Euronaval naval exhibition taking place from 4 to 7 November in Paris, France, underlining Rolls-Royce's role as a solutions provider in this special area of shipbuilding. 
The Power Systems division of Rolls-Royce is presenting the concept of a new mtu on-board power generator with significantly higher output for submarines at the Euronaval trade fair in Paris. The on-board charging unit, powered by a 20-cylinder mtu Series 4000 engine specially adapted for submarines (the graphic shows an early concept study), is designed to meet the requirements of modern submarines for more electrical power and faster battery charging. Image by Rolls-Royce Holdings plc.
Like the twelve-cylinder boat engine, of which many units have already been built, it is based on the marine version of the mtu Series 4000. With eight more cylinders, the 20-cylinder version will have a correspondingly higher power output. This means that the batteries can be charged much faster, minimising the surface time for the submarine. Furthermore, the compact genset makes it possible to save space in the submarine hull, for example by having two of the 20-cylinder on-board power generators take over the tasks of the previous three smaller gensets. Compared to the surface version, the submarine variant has been modified in its charge air and combustion systems so that the boats are difficult to locate. The company has conducted a study that proves such a charging unit is suitable for integration into modern submarine designs. mtu NautIQ: underwater ship automation With the mtu NautIQ Master automation system, Rolls-Royce Power Systems is extending its offering to include sophisticated, integrated control and monitoring systems for sub-surface platforms. The system, which integrates numerous standard systems, controls both the propulsion system and the power supply, monitors the condition of the units, and can be expanded with a range of modules such as damage control, on board training, alarm and monitoring, navigation, and communication systems. This means that all integrated systems can be controlled via a standardised user interface. mtu NautIQ Master has already proven itself for naval surface vessels. Rolls-Royce is now applying this experience underwater as well. This means that Rolls-Royce is also moving up from component supplier to solution provider in the submarine market. Rolls-Royce Group plc press release 
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