Discover all the possibilities that are now available
A system based on the use of permanent magnet machines (PMM) and active front end converters allows you to take full advantage of various operating modes, giving you a level of flexibility unmatched by any other technology. Operational modes allow vessels to take all conditions that place fluctuating demands on their loads into consideration and operate more efficiently. This leads to highly efficient performance, lower fuel consumption and reduced maintenance costs, and allows ship owners and operators to gain higher margins from their business.
Power take out
Power take out mode enables the shaft generator to operate in parallel with the auxiliary gensets for energy-efficient power generation. The shaft generator utilizes the main engine for mechanical power. The frequency converter synchronizes the frequency created by the auxiliary gensets for the grid and stabilizes the voltage.
Using power take out mode, the ship’s engine can be loaded in an optimal way for emission reduction. The ship’s electrical network is mainly powered by the shaft generator and frequency converter, reducing the running hours of the auxiliary gensets. This improves fuel efficiency and lengthens the service intervals of the auxiliary gensets.
Island mode allows the entire electrical network of the ship to be created by the shaft generator and frequency converter. The auxiliary gensets are switched off, and the shaft generator operates as single generator that utilizes the main engine for mechanical power.
Power take in
Boost mode helps boost the propulsion power of the main engine by using both the shaft generator and the auxiliary gensets. In this mode, the shaft generator operates as a motor to provide mechanical power for the propeller. At the same time, the auxiliary gensets create power for the ship’s electrical network.
The boost mode can be applied when peaks in power are needed, for example, to boost the main engine in demanding operational conditions, such as sailing in rough sea or icy water, and performing heavy towing tasks.
Take me home mode allows a vessel to operate when the main engine is disconnected. While the main engine is switched off, the shaft generator works as a motor along with the auxiliary gensets to provide propulsion power for the propeller. Simultaneously, the auxiliary gensets create power for the electrical network of the ship.
Take me home mode is used when the main engine is switched off, for example, for servicing or in the case of malfunctioning, or to comply with environmental or specific port safety regulations.
DC-link mode enables advanced operational optimization and ship design with the inclusion of a DC/DC converter and battery bank. In DC-link mode, the shaft generator operates as a generator that utilizes the main engine to provide the power to run heavy users, such as big pumps, thrusters or battery banks more efficiently. This also offers the possibility to use a smaller switchboard.
In this mode, both the shaft generator and the auxiliary gensets create power for the electrical network of the ship.