Case study – using nanocrystalline cores to mitigate EMI issues in electrical ship propulsion systems

Case study – using nanocrystalline cores to mitigate EMI issues in electrical ship propulsion systemsMany ship designers are turning to electric propulsion to increase efficiency, reduce fuel consumption and improve reliability of vessels. However, compared with industrial or transportation applications, there are several characteristics unique to ships, and this new generation of power distribution and propulsion system presents engineers with a complex set of EMC challenges.

Even when single components are fully compliant, complete systems can still fail to conform with all ship EMC requirements. For example, systems can fall foul of Lloyd's rules with excessive leakage currents (inclusive capacitive effect), despite all electrical components in the system fulfilling IEC standards.

This paper explores how we solved this issue for one of our customers, with the added challenge of very tight space requirements. Discover how we analysed the electrical, mechanical and dimensional requirements, and developed a custom nanocrystalline core solution that met the exact mechanical and thermal requirements of the unique environment.


Custom shapes and sizes, limited only by the engineer’s imagination

Micrometals and Acal BFi. Micrometals are one of the world leaders in the production of high quality, low-cost iron-powder cores - offering an unrivalled customisation service.

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Finding the solution to challenging high-frequency requirements with established materials

Discover how your magnetic component designs and applications can benefit from carbonyl iron powder - Using a tried-and-tested material from a different sector.

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We put the power in your industrial application

Our portfolio covers every possible power supply scenario. From creating your own bespoke power supply with SynQor bricks, to flexible, user-configurable modular products from Excelsys, internal open-frame designs from SL Power to cost-effective, plug-and-play external supplies from Cincon, we put the power in your industrial application.

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