天气预报 > 教育 > 视在功率计算公式
视在功率计算公式
更新时间: 2021-05-09 03:26:09  

1、视在功率计算公式为S=UI。

2、视在功率是表示交流电器设备容量的量。等于电压有效值和电流有效值的乘积。它乘以功率因数等于有功功率。单位为伏安、千伏安。如设计一台单相变压器时,额定电压220伏、电流10安,则该值为2200伏安。它相当于在给定电压和电流下所能获得的最大有功功率。

关键词: 功率 计算 公式

视在功率计算公式相关经验

天气预报

最新推荐

页面:/news/view-3244774/ | 耗时:0.6018 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=3244774 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=3244774 LIMIT 0,1
select * from tbl_Articles_sphinx where id=3244774 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(433248,945302,1094326,1228471,1210463,1181864,1063252,792316,530253,1151754,561122,100771,3311590,1120083,1109683,698794,410788,2117866,1033931,595676,1370910,922749,437132,788408,2583570,1155445,1466972,722538,3096369,1151180) ORDER BY field (ArticleID,433248,945302,1094326,1228471,1210463,1181864,1063252,792316,530253,1151754,561122,100771,3311590,1120083,1109683,698794,410788,2117866,1033931,595676,1370910,922749,437132,788408,2583570,1155445,1466972,722538,3096369,1151180)