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Mitsui Develops Overhang Permanent Magnet Shaft Generator

Mitsui Develops Overhang Permanent Magnet Shaft Generator

Feb 8, 20261 min readMarineLink News

Mitsui E&S and Taiyo Electric have developed a game-changing Overhang Permanent Magnet Shaft Generating System for large marine engines. Unlike traditional shaft generators installed on intermediate shafts, this innovative system is mounted directly on the fore end of the main engine, minimizing its impact on engine room layout and stern hull design.

This configuration contributes to improved fuel efficiency and enhanced energy-saving performance for vessels. The system's compact design also enables it to be ordered and delivered as a single package with the engine, reducing the workload of shipyards during installation and outfitting.

Furthermore, the permanent magnet generator offers higher efficiency and a more lightweight design compared to conventional wound-rotor types. This results in improved maintainability due to the reduced number of periodically replaced components.

Mitsui Develops Overhang Permanent Magnet Shaft Generator - image 2

Additionally, the system supports engine-assist operation through PTI, providing supplemental propulsion power when required, thereby supporting stable vessel operation even under adverse weather conditions or in situations where additional acceleration is needed. The Overhang Permanent Magnet Shaft Generating System represents a significant advancement in marine engineering, offering improved performance and reduced maintenance costs for vessels.

With its compact design and single-package delivery option, this system is poised to become a standard feature in large marine engines. By adopting this innovative technology, shipyards can improve their efficiency and reduce the complexity of engine installation and outfitting.

The benefits of this system are clear, and it is an exciting development in the world of marine engineering.

Mitsui Develops Overhang Permanent Magnet Shaft Generator - image 3
EazyInWay Expert Take

This new Overhang Permanent Magnet Shaft Generating System has the potential to significantly impact the efficiency and performance of large marine engines. By minimizing the impact on engine room layout and stern hull design, this system can contribute to improved fuel efficiency and enhanced energy-saving performance for vessels.

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