Answered: A 440-V, DC shunt motor has Ra=0.8 0…

A 440-V, DC shunt motor has Ra=0.8 0 and Rf=100 02. the voltage Ea when giving an output power of 7.46 kW at 85% efficiency is: O425.8 420.52 17.75 Onone 440 454 41 427.56 459 48

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

A 440-V, DC shunt motor has Ra=0.80 and Rf-100 2. the voltage Ea when giving an output
power of 7.46 kW at 85% efficiency is:
425.8
420.52
17.75
Onone
440
45441
427.56
459 48

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