Q48/ A 3-phase, 6-pole, 50 Hz induction motor develops 3.68 KW at 950 r.p.m. if the stator losses are 300 W. find the stator input Ans[4.17kw] Q49/ The power input to a 3-phase induction motor is 40 KW. The stator losses total 1 KW and the mechanical losses are 1.6 Kw. Determine (i) shaft power (ii) rotor Cu loss and (iii) efficiency of the motor with a slip of 3.5%. Ans[800 r.p.m., 0.42/phase]

Q48/ A 3-phase, 6-pole, 50 Hz induction motor develops 3.68 KW at 950 r.p.m. if the stator losses are 300 W. find the stator input Ans[4.17kw] Q49/ The power input to a 3-phase induction motor is 40 KW. The stator losses total 1 KW and the mechanical losses are 1.6 Kw. Determine (i) shaft power (ii) rotor Cu loss and (iii) efficiency of the motor with a slip of 3.5%. Ans[800 r.p.m., 0.42/phase]

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter2: Fundamentals

Section: Chapter Questions

Problem 2.21P: An industrial plant consisting primarily of induction motor loads absorbs 500 kW at 0.6 power factor...

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