A 3 phase induction motor has a rotor for which the resistance per phase is 0.1 Ω and the reactance per phase when stationary is 0.4 Ω. The rotor induced emf per phase is 100 V when stationary. Calculate the rotor current and the rotor power factor (a) when stationary (b) when running with a slip of 5%.

A 3 phase induction motor has a rotor for which the resistance per phase is 0.1 Ω and the reactance per phase when stationary is 0.4 Ω. The rotor induced emf per phase is 100 V when stationary. Calculate the rotor current and the rotor power factor (a) when stationary (b) when running with a slip of 5%.

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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