家居 返回
天气预报 > 家居 > 18.5千瓦用多大的电线
18.5千瓦用多大的电线
更新时间： 2021-03-25 00:10:22  

1、18.5千瓦电机需要6平方的电缆线。

2、计算方法：

根据三相电相线电流计算公式 I=P÷(U×1.732×cosΦ)，P-功率(W);U-电压(380V);cosΦ-功率因素(0.85);I-相线电流(A)。带入数据P=18.5kw，U=380V ；计算得，相线电流I=33A。在三相平衡电路，一般铜导线的安全载流量为5~8A/mm^2。33÷8=4.13mm^2，电缆最近的规格为6mm^2

关键词： 千瓦 电线

18.5千瓦用多大的电线相关经验

天气预报

最新推荐

页面:/news/view-784041/ | 耗时:0.0181 s | 内存:2.11 MB | 查询:4 | 缓存读取:3 写入:0 | 加载文件:25
select * from tbl_Articles WHERE ArticleID=784041 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=784041 LIMIT 0,1
select * from tbl_Articles_sphinx where id=784041 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(3527857,1047619,3527903,3526983,3529162,3528846,3527686,3527661,1067341,3528072,3528563,3534226,3527915,3528991,3527947,3529007,3530343,3526859,1063711,3527066,3527305,3526884,1062858,3527674,3527662,1110654,3528225,3528009,3527427,3527854) ORDER BY field (ArticleID,3527857,1047619,3527903,3526983,3529162,3528846,3527686,3527661,1067341,3528072,3528563,3534226,3527915,3528991,3527947,3529007,3530343,3526859,1063711,3527066,3527305,3526884,1062858,3527674,3527662,1110654,3528225,3528009,3527427,3527854)