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페라이트 본드 영구자석의 극이방 자화특성에 따른 BLDC 모터의 특성해석
백수현(Soo Hyun BAEK) 대한전기학회 2010 전기학회논문지 Vol.59 No.12
The magnetization directions of a polar magnetized ferrite?bonded magnet are analyzed by finite element method (FEM). The influence of the width of SmCo magnets for magnetic field generation is investigated. The surface flux densities of the polar anisotropic magnets are analyzed and compared according to the pole number and thickness of the magnets. And the electromotive force (EMF) values of brushless DC motors with the magnets are investigated. The validity of the analysis method is verified by comparing the analyzed results with measured ones.