EN Motors - Electric motors for Boskalis
The requirement was to purchase a single type of electric motor that could be used multifunctionally on both the port and starboard sides. This meant that the motors not only had to deliver identical performance but also had to fit exactly within the existing installation dimensions and technical specifications of the vessels.
An additional challenge was the limited available space. In this specific application, the standard cooler configuration—which is typically mounted on top—had to be positioned laterally. This presented technical difficulties that were not easily resolved.
The core of the problem lay in the sizing and technical specifications. Every motor manufacturer, especially at this power level, has its own design standards, but in this case, the new motor had to be compatible with the existing system. Any deviation in dimensions or connections would mean the motor c ould not be properly installed, potentially leading to additional costs and delays.
Moreover, the project had to be completed within an eight-month deadline, including certification by Bureau Veritas. This required meticulous planning, technical expertise, and efficient collaboration among multiple parties.
The solution
EN motors took on the challenge and assembled a project team consisting of engineers from both Boskalis and our partner Alconza, a specialist in electric motors of 1MW and above. Since EN motors does not have production facilities for this power range, Alconza was responsible for manufacturing the motors, while EN motors handled the technical specifications, project coordination, and quality control.
Every step was carefully aligned:
Custom design: The motor was fully adapted to the existing installation dimensions, including the positioning of the cooling water inlet and outlet, the terminal box, and the mounting points. Multifunctional cooling: the cooler was relocated to the side and designed in such a way that it would function optimally in both port and starboard positions. Tight planning: the team followed a detailed plan to meet the eight-month deadline without compromising on quality or certification. Due to the successful collaboration, an additional order was awarded in parallel for the construction of a 3.5MW motor, executed alongside the original project.