Core losses in motor laminations exposed to high-frequency or nonsinusoidal excitation

@article{Mthombeni2004CoreLI,
  title={Core losses in motor laminations exposed to high-frequency or nonsinusoidal excitation},
  author={L. T. Mthombeni and Pragasen Pillay},
  journal={IEEE Transactions on Industry Applications},
  year={2004},
  volume={40},
  pages={1325-1332}
}
This paper first reviews three internationally standardized core loss measurement methods: the Epstein frame, toroids, and single sheet testers. A comparison of the Epstein frame and toroid test results is presented for annealed and unannealed steel. Two methods are used to predict core losses under nonsinusoidal supplies. The first method uses the Fourier series and an improved loss separation algorithm to predict no-load core losses under brushless DC motor flux waveform excitation with a… CONTINUE READING
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