天气预报 > 机械 > 50千瓦用多大电缆
50千瓦用多大电缆
更新时间: 2021-05-18 10:41:01  

1、50千瓦用25平方的三芯铜电缆。

2、根据功率公式P=1.732UIcosφ有:I=P/(1.732Ucosφ)=50/(1.732X0.38X0.85)

=89A(按三相市电计算,功率因数取0.85)。

关键词: 千瓦 电缆

50千瓦用多大电缆相关经验

天气预报

最新推荐

页面:/news/view-3341641/ | 耗时:0.3096 s | 内存:2.11 MB | 查询:5 | 缓存读取:3 写入:1 | 加载文件:25
select * from tbl_Articles WHERE ArticleID=3341641 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=3341641 LIMIT 0,1
select * from tbl_Articles_sphinx where id=3341641 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(3323203,1515696,768976,3475762,1109019,3181923,3204584,1209683,1125527,2834781,3290782,526830,1971992,3471001,3327104,3502679,2011349,2562752,3082853,376756,3386172,383599,1169479,983310,1136029,1923096,3373486,1041342,3309694,3408561) ORDER BY field (ArticleID,3323203,1515696,768976,3475762,1109019,3181923,3204584,1209683,1125527,2834781,3290782,526830,1971992,3471001,3327104,3502679,2011349,2562752,3082853,376756,3386172,383599,1169479,983310,1136029,1923096,3373486,1041342,3309694,3408561)
SELECT * FROM tbl_categories where CategoryID=90033 LIMIT 0,1