Q: A 3 phase induction motor is connected to 400V 50Hz supply and running at a rated speed of 920 r.p.m.
想問點樣搵 number of poles of the induction motor ??
求教!! 希望有大大可以答到我!! 感激!!
3 phase induction motor 計算, 感激
2013-01-07 3:46 am
回答 (1)
2013-01-07 5:05 am
✔ 最佳答案
如果你既摩打係同步電動機，方程式如下 :you can use a simple formula if u know R.P.M. Of motor
i.e. R.P.M.= 120*F/P
Where
F = operating frequency
P = number of poles
then
P = 120*F/R.P.M.
如果係異步電動機仲要扣除Slip(%)
P = 120*F/(R.P.M.+ # %)
= 120*50/1000 (-8%)
= 6000/1000(-8%)
收錄日期: 2021-04-27 20:01:59
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20130106000051KK00349