A 3-phase, 381-V, 60-Hz, 4-pole, Y-connected induction motor is running at 1728 RPM with a load torque of 368.5 N.m. The efficiency of the motor is found as 82 %. Find the electrical input power to the motor. Select one: O a. Pin = 57.00 KW O b. Pin = 81.32 KW O c. None O d. Pin = 84.70 KW

A 3-phase, 381-V, 60-Hz, 4-pole, Y-connected induction motor is running at 1728 RPM with a load torque of 368.5 N.m. The efficiency of the motor is found as 82 %. Find the electrical input power to the motor. Select one: O a. Pin = 57.00 KW O b. Pin = 81.32 KW O c. None O d. Pin = 84.70 KW

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 3-phase, 381-v, 60-Hz, 4-pole, Y-connected induction motor is running at 1728 RPM with a load torque of 368.5 N.m.
The efficiency of the motor is found as 82 %.
Find the electrical input power to the motor.
Select one:
O a. Pin = 57.00 KW
O b. Pin = 81.32 KW
O c. None
O d. Pin = 84.70 KW

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