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영구자석을 이용한 MPP 코아의 직류중첩 투자율 향상 = Improvement of DC bias permeability of MPP core with permanent magnet

한글로보기

https://www.riss.kr/link?id=A343190

저자

장평우 (청주대학교 응용과학부)
발행기관
청주대학교 산업과학연구소
학술지명
산업과학연구(Journal of Industrial science researches)
권호사항

Vol.22 No.3 [2005]
발행연도
2005
작성언어
Korean
KDC
500
자료형태
학술저널
수록면

7-12(6쪽)
제공처
RISS

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다국어 초록 (Multilingual Abstract)

3 dimensional FEM was used to improve dc bias current permeability of MPP core. In the simulation magnet size and magneto-motive force was varied. With increasing magnet size, bias field and permeability increased and decreased, respectively. However, increasing rate of bias field and decreasing rate of permeability decreased with magnet size. From the simulation it could be shown that a thin NdFeB magnet thinner than 1.2 mm can be effectively used for bias core. Bias core with 1.0 mm NdFeB magnet was manufactured and its properties were analyzed. As a results utility of bias MPP core suggestion could be demonstrated. However, core loss should be reduced for commercialization.

번역하기

3 dimensional FEM was used to improve dc bias current permeability of MPP core. In the simulation magnet size and magneto-motive force was varied. With increasing magnet size, bias field and permeability increased and decreased, respectively. However,...

3 dimensional FEM was used to improve dc bias current permeability of MPP core. In the simulation magnet size and magneto-motive force was varied. With increasing magnet size, bias field and permeability increased and decreased, respectively. However, increasing rate of bias field and decreasing rate of permeability decreased with magnet size. From the simulation it could be shown that a thin NdFeB magnet thinner than 1.2 mm can be effectively used for bias core. Bias core with 1.0 mm NdFeB magnet was manufactured and its properties were analyzed. As a results utility of bias MPP core suggestion could be demonstrated. However, core loss should be reduced for commercialization.