| 摘要 |
<p>The invention relates to a ship comprising at least one main electric engine (3) driving a main propeller (2) at a speed depending on the engine speed of the main engine (3) so as to move the ship in a longitudinal direction, at least one secondary electric engine (5) driving at least one secondary propeller (4) moving the ship in a transverse direction and a means for supplying electricity to the engines, comprising an electric frequency converter means (6) suitable for varying the engine speed of the main engine (3). According to the invention, at least part of the electric frequency converter means (6) is connected to a switching means (8) suitable for switching between the main engine (3) and the secondary engine (5) in order to vary the speed of rotation of the secondary propeller (4) according to said part (63, 63b).</p> |
