电动机额定功率

2024-11-27 22:49:10
推荐回答(5个)
回答1:

消耗的仍是机器的负载功率除以机械效率,包括电动机的效率。不是电动机的额定功率。
即3.5kw x 1h / 效率
按照你的问题补充,电能消耗为3.5W,每小时耗电3.5 x 1 = 3.5(度)

回答2:

要知道电机铭牌上面的功率值是电机输出的机械功率,其消耗电功率要大于铭牌功率。假如机械功率需要3.5,那么电的输入功率也会大于3.5。4千瓦的电机提供3.5千瓦的机械功率,也许消耗电功率小于4千瓦,或者少许多一些。这些看电机的效率一栏的数值。比方4千瓦电机,效率0.85那么电机功率4/0.85=4.7千瓦耗电。
不用假设,请问你见过效率等于一的设备吗?不科学的东西没有探讨价值。

回答3:

如果你的机器消耗的功率确定是3.5KW,那么4KW的电动机消耗的电能肯定是在3.5---4.0KW之间,前面有两位朋友说的是3.5KW/H,那肯定不对,那假如用100KW的电动机拖3.5KW的机器难道也是消耗3.5KW/H吗,这样想你就不会说是3.5KW了。再这样想就算是理想电动机什么都不拖难道运行起来就不用耗电嘛?

回答4:

用3.5kw计算,但是要考虑效率

回答5:

约为3.5kw*1小时=3.5度电。

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