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Basic study on hysteresis modeling using micromagnetics for magnetic field analysis
천영진(Cheon Yeong Jin),김종태(Kim Jong Tae),위상봉(Wee Sang Bong) 대한전기학회 2007 대한전기학회 학술대회 논문집 Vol.2007 No.11
In magnetic field analysis of electrical machines, hysteresis phenomena of B-H curves should be taken into account in order to obtain more accurate results. In this paper, the hysteresis modeling using the micromagnetics for the magnetic field analysis is investigated. In the micromagnetics, usually, it takes much CPU times. Therefore, the method for representing hysteresis phenomena by minimum modeling is investigated in order to applying it to the magnetic field analysis. First, the micromagnetics is described. Then, the method of minimum modeling is shown. Finally, the hysteresis curve obtained by the minimum modeling is demonstrated. The effect of parameters of micromagnetics on the shape of hysteresis curve is investigated.