数码 返回
天气预报 > 数码 > 总功率100kw380v用多大电缆
总功率100kw380v用多大电缆
更新时间： 2019-04-25 00:00:00  

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=100kw，U=380V；计算得，相线电流I=178A。铜导线的安全载流量为5~8A/mm^2。178÷8=22.25mm^2，需要电缆的规格为25mm^2。

关键词： 功率 100kw380v 电缆

总功率100kw380v用多大电缆相关经验

天气预报

最新推荐

页面:/news/view-1305317/ | 耗时:0.3881 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=1305317 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=1305317 LIMIT 0,1
select * from tbl_Articles_sphinx where id=1305317 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1095219,1097371,1096797,1128725,963113,2564161,569703,598497,2598458,2213833,1225042,1726683,417326,764149,629063,1733595,1107985,1088732,897500,1070772,1151165,513663,1935714,98971,1714563,1235577,791210,1090012,612188,1567185) ORDER BY field (ArticleID,1095219,1097371,1096797,1128725,963113,2564161,569703,598497,2598458,2213833,1225042,1726683,417326,764149,629063,1733595,1107985,1088732,897500,1070772,1151165,513663,1935714,98971,1714563,1235577,791210,1090012,612188,1567185)