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zjcw0419
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樓主  發(fā)表于: 2010-12-23 21:35
為什么電機的轉速有的資料是n=60f/p  ，有的卻是  n=120f/p。其中60與120代表的是什么？謝謝幫助�。。。�！
etdssdabb
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1樓  發(fā)表于: 2010-12-24 09:15
n=60f/p這個(gè)公式是對的，沒(méi)錯，n是轉速，60是秒，f是頻率，p是極對數，根據這個(gè)公式算出的是它的每分鐘的同步轉速，而異步電動(dòng)機的轉速要低于這個(gè)轉速。
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