The armature current of a series motor is 60 A when on full load. If the load is adjusted so that this current decreases to 40A,find the new torque expressed as a percentage of the full load torque. The flux for a current of 40A is 70% of that when the current is 60A.

The armature current of a series motor is 60 A when on full load. If the load is adjusted so that this current decreases to 40A,find the new torque expressed as a percentage of the full load torque. The flux for a current of 40A is 70% of that when the current is 60A.

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter32: Three-phase Motors

Section: Chapter Questions

Problem 13RQ: A squirrel-cage induction motor is operating at 1175 RPM and producing a torque of 22 Ib-ft. What is...

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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.

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