The relationship between the effective power and apparent power 有效功率与视在功率之间的关系?
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Therelationshipbetweentheeffectivepowerandapparentpower有效功率与视在功率之间的关系?Therelationshipbetweentheeffec
The relationship between the effective power and apparent power 有效功率与视在功率之间的关系?
The relationship between the effective power and apparent power 有效功率与视在功率之间的关系?
The relationship between the effective power and apparent power 有效功率与视在功率之间的关系?
这是对使用正弦交流电的用电器而产生的两个概念.
视在功率就是该交流电的电压有效值和电流有效值的乘积.
有效值是交流电在一个周期内的方均根值.亦即,将交流电通过一电阻在一个周期内消耗的能量,若与一直流电通过同一电阻在相同时间内消耗的能量相等,则此直流电的量值被定义为该交流电的有效值.
有效功率亦称为有功功率,它是交流电路功率在一个周期内的平均值称为平均功率,也称为有功功率.它实质上反映了电路从电源取得的净功率.
有功功率等于视在功率乘功率因数,而功率因数等于电压和电流相位差的余弦.
THE BEST BET怎么样
a relationship和the relationship的区别
revive the relationship
work on the relationship
the mutualism relationship 、
英语翻译5 The Bet原文也可以
mediate the relationship是什么意思啊
英文翻译! any relationship? What is the relationship?! any relationship?这三个词翻译成中文 感谢
the relationship between American and China
Love lasts when the relationship comes first
relationship between the Bingo kids 意思
Love lasts when the relationship comes first
What's the relationship between them?
the serious relationship 你们有谁知道马?
i bet on the rest of my life to love ``````````````
I bet my life on the什么意思啊.
the relationship between he and we还是 the relationship between him and us
Breaks off a relationship the treasure Breaks off a relationship the treasure