• The new high-efficiency IE5+ synchronous motors series from NORD requires significantly less rare earth elements than its predecessor.
    The new high-efficiency IE5+ synchronous motors series from NORD requires significantly less rare earth elements than its predecessor.
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The IE5+ permanent magnet synchronous motor from NORD DRIVESYSTEMS exceeds the highest efficiency class IE5, offering constant high efficiency and a wide torque range, saving on both energy and materials.

With optimal energy performance in partial load and partial speed ranges, the IE5+ motor not only saves energy, but also emissions. In comparison to a conventional IE3 asynchronous motor, an IE5+ synchronous motor reduces emissions by around 0.15 t CO2 per year. This applies to one single motor. In large systems, for example in intralogistics with hundreds or even thousands of drives, this adds up to an impressive total saving.

Material savings

The IE5+ motor from NORD can also impress with another sustainability factor: material efficiency. “Various innovations in the motor design help us to realise significant material savings with our new IE5+ series”, Jörg Niermann, Head of Marketing at NORD, emphasises. NORD DRIVESYSTEMS designed the IE5+ as an 8- pole synchronous motor in an IPM design. This reduces the size of the motor’s active components, which not only results in material savings in the sheet metal package but also in the magnet material.

Less rare earth elements

In the course of material savings, it was also possible to reduce the proportion of rare earth elements in the magnet material. Rare earth elements are mainly found in Russia, China and Brazil and can only be mined with great environmental impact.

With 8-pole synchronous motors, the stator can also be manufactured with the so-called single-tooth windings. As a result, valuable material such as copper is only used where it is actually productive, and inefficient use in the winding head is reduced.

The IE5+ synchronous motor combines energy efficiency with material efficiency, and not only applies to the IE5+ motor itself but also to the DuoDrive geared motor, in which the IE5+ is integrated.

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