3. A 4-pole, single-phase, squirrel-cage induction motor operates from a 115 V, 50 Hz supply. The measured parameters are: Stator impedance (1-9 +j2.7) 2 Rotor impedance (4-4+j 2-6) 2 referred to stator Magnetising reactance = j 76 2 Find the approximate output power and its corresponding power factor when the motor speed is 1400 r.p.m. Assume that iron and friction losses equal to copper losses at this speed. 192 W: 0:57 laggingl

3. A 4-pole, single-phase, squirrel-cage induction motor operates from a 115 V, 50 Hz supply. The measured parameters are: Stator impedance (1-9 +j2.7) 2 Rotor impedance (4-4+j 2-6) 2 referred to stator Magnetising reactance = j 76 2 Find the approximate output power and its corresponding power factor when the motor speed is 1400 r.p.m. Assume that iron and friction losses equal to copper losses at this speed. 192 W: 0:57 laggingl

Electric Motor Control

10th Edition

ISBN:9781133702818

Author:Herman

Publisher:Herman

Chapter39: Synchronous Motor Operation

Section: Chapter Questions

Problem 14SQ: Induction motors and welding transformers require magnetizing current, which causes a. lagging power...

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