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變壓器磁芯設計計算器

2022-03-24

磁通變化量與伏秒值計算

感應電動勢是在電磁感應現象里面既然閉合電路里有感應電流,那么這個電路中也必定有電動勢,在電磁感應現象中產生的電動勢叫做感應電動勢。

\( E=n\frac{\triangle \varphi}{\triangle t} \)

磁通量\( \varphi \)換為磁通密度 B 乘磁芯截面積\( A_{e} \),上述公式可以表示為:

\( E=n\frac{\triangle BA_{e}}{\triangle t} \)


電動勢 E:
時間 t:
磁通密度 B:
截面積 Ae:
匝數 n:
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