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- W1665263584 abstract "The origin and minimization of losses in core materials used in power generation and distribution equipment have become increasingly important factors in the development, manufacturing, and application of such materials. The origin of losses in oriented Si‐Fe is ultimately related to the changes in domain structure which occur during magnetization. In this paper, the domain structures which exist in oriented silicon steels (both conventional and high permeability steels) will be described and the factors which control these structures will be discussed (e. g., grain orientation, grain size, magnetizing frequency and induction, applied stress). The domain structure changes during 60 Hz magnetization will be illustrated using high‐speed cinematography. The models of core loss based on domain wall motion wil then be reviewed in the light of recent experiments which directly compare measured losses with those calculated from observed domain structures. It will be shown that the traditional separation of losses into hysteresis and eddy‐current components is justified in some cases when the domain structure is known in detail. Present models frequently fail to predict the losses of commerical grain oriented silicon steels for several reasons which basically relate to the complexity of the actual domain structures existing in these materials compared to those assumed by the models." @default.
- W1665263584 created "2016-06-24" @default.
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- W1665263584 date "1975-01-01" @default.
- W1665263584 modified "2023-09-26" @default.
- W1665263584 title "The origin of losses in grain oriented silicon steel" @default.
- W1665263584 doi "https://doi.org/10.1063/1.30247" @default.
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