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三相四线制中220V怎接
更新时间: 2020-09-16 00:00:00  

取三相火线的任意一相和零线组成220V供电回路;三相四线制,在低压配电网中,输电线路一般采用三相四线制,其中三条线路分别代表A、B、C三相,另一条是中性线N;在进入用户的单相输电线路中,有两条线,一条为相线L,另一条为中线N,中线正常情况下要通过电流以构成单相线路中电流的回路。

关键词: 三相 220v

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