家里电器功率的大小与电表有什么关系啊,

2025年04月07日 22:58
有5个网友回答
网友(1):

是的,有关系,家里电器的共功率即总工作电路应小于电表的最大负荷电流才行,否则就容易导致电表的损坏。
电表上标有额定电流和最大允许的安全电流,如10A(40A),及最大允许的安全电流为40A,也就是家里的电器总工作电流不能超过40A,计算成功率就是电器总功率要小于8800W。
另外,电源线线径的粗细也应与电表及电器功率相匹配。
电器功率除以220伏电压就是工作电流大小。

网友(2):

电器的功率跟电表成正比即功率越大电表转的越快,两相电表不分大小,到电业局买个就可以用了

网友(3):

  他们的关系是;电表的额定功率=家里所有电器的功率之和乘以(1.5~2.5)。也就是 W总=W1+W2+W3+W4+············

网友(4):

功率=电压X电流,只要把电流算出来,就可以选择电度表。
希望对你有帮助。

网友(5):

功率越大,电表转的越快,耗电越多,电费越多,反之
亦然

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