7.5kw水泵每小时耗电量是多少?

2025-03-15 23:21:45
推荐回答(2个)
回答1:

每小时耗电量是7.5度。

根据题意,水泵功率为7.5KW,

用电时长为一小时,即1h,

根据公式:用电量=用电功率*用电时长,

那么7.5KW*1h=7.5KW·h,即7.5千瓦时,

千瓦时就是平时所说的“度”,是电功的单位,符号:kW·h,计算公式为功率乘以时间。假设一台耗电设备的功率为2500瓦,即其一小时的耗电量为2.5千瓦时,也就是一小时2.5度电。

那么7.5千瓦时=7.5度电。

所以7.5kw水泵每小时耗电量是7.5度电。

扩展资料:

电功率和安全用电

电功率和电流的关系:家庭电路中,电压U=220V是一定的。因为I=P/U,所以用电器的总功率P越大,电路中的总电流I就越大。若电路中的总电流超过安全值,保险丝易烧坏。因此,家庭电路中不能同时使用多个大功率的用电器。

使用各种用电器要注意它的额定电压,只有在额定电压下用电器才能正常工作,实际电压偏低,用电器消耗的功率低,不能正常工作。实际电压偏高,长期使用会影响用电器的寿命,还会烧坏用电器。

参考资料来源:百度百科—度

回答2:

电机的容量是7.5Kw只能说明如果此电机工作在额定状态时,每小时会是耗电7.5度
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