The resistance of each of the two coil of a series motor is 0.04 ohm, armature resistance 0.04 ohm. The motor takes 50 A at 100 V while running at 800 rpm and the coils are in series, What will it speed if the coils are re- connected in parallel while the load torque is doubled?

The resistance of each of the two coil of a series motor is 0.04 ohm, armature resistance 0.04 ohm. The motor takes 50 A at 100 V while running at 800 rpm and the coils are in series, What will it speed if the coils are re- connected in parallel while the load torque is doubled?

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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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

The resistance of each of the two coil of a series motor is
0.04 ohm, armature resistance 0.04 ohm. The motor
takes 50 A at 100 V while running at 800 rpm and the
coils are in series, What will it speed if the coils are re-
connected in parallel while the load torque is doubled?

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