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- aggregation classification "A1".
- aggregation creator B918909.
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- aggregation date "2014".
- aggregation hasFormat 5785164.bibtex.
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- aggregation isPartOf urn:issn:0885-8969.
- aggregation language "eng".
- aggregation publisher "IEEE".
- aggregation rights "I don't know the status of the copyright for this publication".
- aggregation subject "Technology and Engineering".
- aggregation title "Effect of Multilevel Inverter Supply on Power Losses in Magnetic Materials and Electrical Machines".
- aggregation abstract "The effect of multilevel inverter supply on power losses in magnetic cores and electrical machines is studied. A dynamic numerical model for the hysteresis, eddy current, and excess losses in a core lamination is first developed. By both measurements and simulations for a ring-core inductor, we demonstrate how increasing the number of inverter voltage levels decreases the iron losses when compared with traditional two-level supply. Although the switching frequency has a significant impact on the iron losses in the case of a traditional two-level inverter, using three or five voltage levels makes the losses almost independent of the switching. Finally, finite-element simulations show that similar reductions are also possible for the core losses of 150-kVA and 12.5-MW wound-field synchronous machines, in which rather low switching frequencies are typically used. Calorimetric loss measurements are also presented for the 150-kVA machine in order to confirm the significant effect of switching frequency on the core losses with two-level inverter supply.".
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- aggregation endPage "6".
- aggregation issue "99".
- aggregation startPage "1".
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- aggregation isDescribedBy 5785164.
- aggregation similarTo TEC.2014.2372095.
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