天气预报15天查询> 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

如有意见、反馈、侵权或投诉等情况,请联系:

电话:
邮箱:

我们将会在48小时内给与处理!

版权所有 Copyright ? 2009-2020 tianqiyubao3.com

页面:/news/view-3341641/ | 耗时:0.2128 s | 内存:1.89 MB | 查询:4 | 缓存读取:4 写入:0 | 加载文件:23
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)