Dimensioning the shaft line for a shaft generator or propulsion motor

Patrik Holm If you’re considering a shaft generator or propulsion motor for your vessel design, you already know you’ll be saving on fuel consumption, improving efficiency, and complying with the current EEDI and EEXI emission limits. With an electric machine on the shaft line, we face new considerations in shaft line dimensioning. The bearings in…

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‘Permanent magnet’ makes propulsion technology different

The April issue of China Ship Survey magazine published a five-page article about permanent magnet technology used in the propulsion application. Entitled “‘Permanent magnet’ makes the propulsion technology different,” the article covers the following main topics: Permanent magnet (PM) technology as a simple and efficient solution The importance of joining forces to collaborate and innovate…

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LNG and beyond: box ships’ path to decarbonization

On April 13, Jussi Puranen was one of the panelists at Riviera’s Container Ship Tech & Ops Webinar Week. As one of the three panelists, Jussi discussed the potential for fuel savings in container vessels by using permanent magnet shaft generators as one of the ways to meet decarbonization targets. He highlighted the efficiency advantages…

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New test center verifies large marine electrical drives

Panu Kurronen Marine engineers, investors and builders are in a tight spot these days. There’s the pinch of approaching regulation deadlines and the stress of using new technology rather than familiar, well-tried equipment. We understand. Change is costly and stressful. We’ve been exploring and expanding PM machine technology for two decades, first for wind power…

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