Journal
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
Volume 242, Issue -, Pages 212-215Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/S0304-8853(01)01164-7
Keywords
silicon steel; device-motors; magnetic loss; eddy currents-loss; electric resistivity; transformers
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For high-frequency appliances, a new magnetic material was developed, and its properties were investigated and compared with conventional electrical steel and 6.5% Si steel. The new material has extremely low iron loss at high frequencies over 5 kHz as well as 6.5% Si steel, which was obtained by increasing electric resistivity, or by reducing its eddy current loss. Generally, increasing resistivity makes steels brittle and deteriorates their workability. However, the developed material showed a good workability with the effect of Cr addition. This material has a good property of pulse response, and also showed an excellent performance for power electronics device using an active filter operated at 15 kHz. (C) 2002 Elsevier Science B.V. All rights reserved.
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