DC grid and power management systems for maritime propulsion

The maritime industry faces the challenge of efficiently connecting diverse energy suppliers and loads, ranging from conventional generators and methanol-powered gensets to batteries and fuel cells. The BAS-Link DC-Grid energy distribution platform addresses this requirement by utilizing a shared link that enables different loads and energy sources to interact intelligently. Connecting energy sources and loads directly via a central DC bus network reduces efficiency losses and increases the overall efficiency of the system. Furthermore, the platform facilitates the easy integration of alternative energy sources, such as batteries and fuel cells, creating a flexible energy supply for both the ship’s propulsion system and the on-board electrical loads. The hardware architecture relies on a modular system for control and DC cabinets, ensuring a space-saving layout and optimal weight distribution because the cabinets can be installed in decentralized locations throughout the vessel.

Automated energy management and propulsion control
For hybrid vessels combining diesel generators and electric motors, an intelligent power management system is deployed to increase the efficiency of the propulsion system and lower fuel consumption. The BAS-PCS intelligent power management system controls the demand-based power output of the units within the drive system. This automation software adjusts the power supply through variable-speed generator sets so that exactly the amount of power the ship currently needs is generated. For example, when traveling at a moderate cruising speed, the ship is powered by just one generator. If a faster journey is required or a maneuver needs to be carried out, a second generator kicks in within seconds, fully automatically. The software controls when the second motor is switched on to prevent both motors from running continuously, which ensures maximum efficiency, operational reliability, and optimal energy use. This digital infrastructure is suitable for various technologies, including generators, batteries, and fuel cells, and accommodates fuels such as methanol, e-fuels, diesel, or combinations of these. The system is delivered with a clear visualization interface that displays the operating status of all drives as a dashboard on a control panel monitor.

Trade show presentation
These power supply and digital infrastructure solutions will be displayed at the SMM in Hamburg from September 1 thru 4, 2026. Visitors can find out more about these intelligent power supply and control systems at the Baumüller booth located in Hall A4, Stand 334.

Edited by Lekshman Ramdas, Induportals editor – adapted by AI.

www.baumueller.com