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15问答网 > 变压器次级绕组输出15伏,经过一个二极管整流后电压是多少？

变压器次级绕组输出15伏,经过一个二极管整流后电压是多少？

2025-04-03 03:27:44

推荐回答（2个）

回答1：

一个二极管整流输出电压是变压器次级绕组输出0.45倍，所以经过一个二极管整流后电压是15*0.45=6.75伏。

回答2：

如果只整流不滤波，电压就是一半，7.5伏，滤波的话，要看负载大小，负载电阻越小，输出电压越高，从7.5一直到21伏都有可能。

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