Abstract
In this paper, core loss features of soft magnetic composite (SMC) material from 5 Hz to 1000 Hz have been properly measured and discussed under alternating and three dimensional (3-D) rotational magnetizations. The comparison results show that the rotational core losses are greater than that of the alternating core losses at the same magnitude of magnetic induction densities, especially at relatively higher excitation frequencies. The corresponding rotational hysteresis properties, such as magnetic flux density vector loci, magnetic field strength vector loci are also measured and analyzed. Experimental results show that SMC materials have good 3-D features, and great potential for application in rotational magnetic flux machines.
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