5台746瓦電動機,以380伏特供電.因數為0.9求電流?
請問為何不用以下公式
I=P/1.732X380X0.9
要用這個公式I=P/380X0.9
如何計算電流?
2014-08-24 6:57 am
回答 (1)
2014-08-24 5:03 pm
✔ 最佳答案
P = 1.732 * V * I * pf is applicable for 3 phase equipment P = V * I * pf is applicable for single phase equipment
收錄日期: 2021-04-15 16:17:20
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20140823000051KK00148