Warning: mysqli_query(): (HY000/1030): Got error 28 from storage engine in /www/wwwroot/jiaju.dianpusou.com/wp-includes/wp-db.php on line 1942
三相电机的电流怎么算_家居日记
家居日记
分享家居装修经验

标签：三相电机的电流怎么算

三相电机的电流怎么算

jiaju阅读(3)赞(0)

三相电机的电流怎么算 可根据公式I=p/(1.732×U×功率因数）计算得出，三相电机电压是380v，功率因素在0.7到0.9左右。如果三相电机功率为7kw，其


Warning: mysqli_query(): (HY000/1030): Got error 28 from storage engine in /www/wwwroot/jiaju.dianpusou.com/wp-includes/wp-db.php on line 1942

近期文章

热门文章

热门标签


Warning: mysqli_query(): (HY000/3): Error writing file '/tmp/MYBILgLY' (Errcode: 28 - No space left on device) in /www/wwwroot/jiaju.dianpusou.com/wp-includes/wp-db.php on line 1942
暂无标签！

分类目录


    Warning: mysqli_query(): (HY000/1030): Got error 28 from storage engine in /www/wwwroot/jiaju.dianpusou.com/wp-includes/wp-db.php on line 1942
  • 没有分类目录

爱家，爱生活！