Tài liệu Bài tập động cơ điện ppt

Bài 1.  230V; 15HP;  1750v/ph;     56,2 A ;         0,280 ;        137 . : 1/    . 2/  . 3/                       1,5            . Bài 2.  240V;  100A;          0,5 ;        120 .           500W. : 1/        2/        3/     . 3/  . Bài 3.   = 5,5 kW, U  = 110 V, I  = 58 A (               t ), n  = 1470 /.        = 0,15  ,        t = 137  ,        2 V2U tx  .       , ? Bài 4.          200V.  10          100,        0,5  80%. : 1/ . 2/       3/        ng 4/    . Bài 5.                   :P  = 18kW, U  = 230V, n= 2000v/,        = 0,04, R kt = 115 : 1/  2/     3/  4/       5/          4,33% P  . . Bài 6.                    240   865 W;               92   0.12  ;  140 A. : 1.       2.      3.      4.    Bài 7.              20 kW, 220            0.07  200  . . Bài 8.          100 50        125 V.         ,       137 V. . Bài 9.      : : 200 V 290 A 44.76 kW : 400 V 96 A : 1.        2.          3.       Bài 10.                5 kW; 125            0.2  .      . Bài 11.            240      20           12 A.  .      20 A. Bài 12. Khi sinh ra   18              240 V tiêu  10 A. 1.5 A.          60 Nm.        . Bài 13.              20    60 Nm.          5 A.  100 Nm. . Bài 14.     2.238        75%  14.92 A.        . Bài 15.  3.5 kW.      ,        750W Bài 16.       240       3 hp,   80%.        . . . Bài 14.     2.238        75%  14.92 A.        . Bài 15 1,5            . Bài 2.  240V;  100A;