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磁芯气隙的計算

2009-05-13 10:31:02| 分类：【磁性材料】 | 标签： |举报 |字号大中小订阅

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磁芯gap的計算:

1. 計算空氣隙: lg'=0.4π*10-8*Ae*Np2/Lp-1/AL cm

2. 計算磁通邊緣因素: F=1+lg'/Ae0.5*ln(2G/lg')

3. 計算有效空氣隙(中柱): lg=lg'*F cm

Ae: 磁芯截面積 cm2

Lp: 要求電感值 H

G: 磁芯窗口寬度 cm

ln: 自然對數

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