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怎么计算电源额定功率

更新时间: 2020-11-08 00:00:00     

电源的额定功率,是指电源输出的标准功率,也是电压与最大输出电流的乘积。计算公式可表示为:P(额定)=U×(I+4)(+5V的最大输出电流)。这个公式的U为一个可变化电压值,估算时,取值可在10~11.5之间,估算时取最小值为宜。U的单位为V(伏特),I为电源+5V的最大输出电流,单位A(安培)。

关键词: 怎么 计算 电源 额定 功率

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