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电能表上50Hz的含义是什么
更新时间: 2020-10-04 00:00:00  

50赫兹,代表交流电的频率,每秒钟方向变换50次。电能表上的赫兹是指电源频率。表示适用电源的频率,电源的频率表示交流电流的方向在1s内改变的次数。我国交流电的频率规定为50Hz。

关键词: 电能 50hz 含义 什么

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