220V市电电源的电流是多少A?50HZ又是何意?

谢谢!
2025-03-17 06:07:13
推荐回答(4个)
回答1:

电能的质量包括电压和频率,
220V是一相对地的电压,
50Hz是交流电的变化频率,其周期是1/50=0.02秒,
电源的电流,取决于你的总用电设备正在运行的功率之和,你用1台电风吹1300w,1台电视机100w,照明40w,那么,你的用电是1440w,1440/220=工作电流。如果某时候,你家的任何用电器都没有送电,那么,只有计量电度表的一点损耗。当然,220v是一个接近的电压,当用电量太大,电网供电不足时,进来的电压就要降低一些。如果后半夜用电量小,电网供电充足,电压就会高一点。
电能,发电,输电,消耗,瞬间完成,电厂的发电负载,会自动地跟踪用电总电量来调整,以便保证供电的电压和频率。

回答2:

220V/50Hz的市电,经过电感、电容串联谐振以后,还是50Hz。谐振只是交流电路的一种特例,在谐振频率时,电感的感抗与电容的容抗数值上相同(符号相反),总电抗为0。它不是变频器,并不会改变交流电的频率。

回答3:

看你家的空开是多少A的,那就是多少A还有看线有多少平方,你如果用电磁炉一般10A,电暖气也差不多10A,一般家用是4平方线在最大差不多26A,50HZ是供电的频率,中国一般50HZ 韩国的是60HZ

回答4:

电流是随着负载的大小变化的,而中国的供电频率是50HZ的

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