26.—部6極、60 Hz、5 HP之三相感應電動機,其滿載轉子銅損為120 W,機械損為150 W, 則其滿載時轉子的速度為何?
(A) 1164 rpm
(B) 1182 rpm
(C) 1176 rpm
(D) 1192 rpm
答案:登入後查看
統計: A(397), B(16), C(39), D(11), E(0) #845472
統計: A(397), B(16), C(39), D(11), E(0) #845472
詳解 (共 3 筆)
#1417784
P2:pc2. =1:s
5*746+ 150+120=4000
4000:120= 1:s
120 = 4000s
S= 0.03
Ns =120*60/ 6= 1200
1200(1-0.03)= 1164
15
0
#5454376
S=銅損/Pin
0
0
#5156516

0
0