A 220-V, 3-0, 4-pole, 50-Hz, Y-connected induction motor is rated 3.73 kW. The equivalent circuit parameters are: R, 0.45 Q, X, = 0.8 2;
A 220-V, 3-0, 4-pole, 50-Hz, Y-connected induction motor is rated 3.73 kW. The equivalent circuit parameters are: R, 0.45 Q, X, = 0.8 2; R,'= 0.4 Q2, X,' = 0.8 2, B, = - 1/30 mho %3D The stator core loss is 50 W and rotational loss is 150 W. For a slip of 0.04, find (i) input current (ii) p.f. (iii) air-gap power (iv) mechanical power (v) electro-magnetic torque (vi) output power and (vii) efficiency.
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Authors: Richard E. Sonntag, Claus Borgnakke, Gordon J. Van Wylen
6th edition
471152323, 978-0471152323
