Answered: A 240 V series motor takes 40 amperes…

A 240 V series motor takes 40 amperes when giving its rated output at 1500r.p.m. Its resistance is 0.3 ohm. Find what resistance must be added to obtain rated torque at starting. * 5.7

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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Concept explainers

Three Phase Induction Motor

The induction motor is an electric motor that runs on AC (alternating current) and it is of two type single phase motor that work on single-phase power supply and three-phase motor that work on three-phase power supply.

Question

A 240 V series motor takes 40 amperes
when giving its rated output at 1500r.p.m.
Its resistance is 0.3 ohm. Find what
resistance must be added to obtain rated
torque at starting. *
O 5.7
O 6.7
5.5
6.3

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