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51问答网 > 一台400W的变压器可以带多少个5V的灯泡

一台400W的变压器可以带多少个5V的灯泡

2025-04-07 03:01:33

推荐回答（1个）

回答1：

是5W吧，5V指的是电压。如果是5V电压的话，带多少个灯泡首先要知道灯泡的功率！5W的话带60个没有问题。400W的变压器正常负载在320W左右。短时间400W-500W都没问题，但时间不能长。如果超载的话注意变压器的温度，一旦超过80度就需要减少负载或用风扇降温，否则容易烧毁！！！

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