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目录
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开始
1
变压器
2
结构
3
操作
4
参考
切换目录
电子学基础/电磁设备/变压器
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来自维基教科书,开放的书本,开放的世界
<
电子学基础
|
电磁设备
变压器
[
编辑
|
编辑源代码
]
变压器是一种电子元件,能够升压、降压或缓冲电压。
结构
[
编辑
|
编辑源代码
]
变压器由两个线圈构成,线圈绕在一个方形的两侧。
V
o
V
i
=
N
2
N
1
{\displaystyle {\frac {V_{o}}{V_{i}}}={\frac {N_{2}}{N_{1}}}}
操作
[
编辑
|
编辑源代码
]
从上面可以看出,
V
o
=
V
i
N
2
N
1
{\displaystyle V_{o}=V_{i}{\frac {N_{2}}{N_{1}}}}
升压
V
o
>
V
i
{\displaystyle V_{o}>V_{i}}
当
N
2
>
N
1
{\displaystyle N_{2}>N_{1}}
降压
V
o
<
V
i
{\displaystyle V_{o}<V_{i}}
当
N
2
<
N
1
{\displaystyle N_{2}<N_{1}}
缓冲
V
o
=
V
i
{\displaystyle V_{o}=V_{i}}
当
N
2
=
N
1
{\displaystyle N_{2}=N_{1}}
参考
[
编辑
|
编辑源代码
]
变压器
类别
:
书:电子学基础
华夏公益教科书