A motor has a nameplate with the following data: 40 HP 60 Hz 240/480 Volts 1630 RPM 104 / 52 AFL NEMA Design D Determine the speed at which the motor will produce maximum torque. ○ 1236 RPM ○ 0 RPM ○ 1630 RPM ○ 1436 RPM

A motor has a nameplate with the following data: 40 HP 60 Hz 240/480 Volts 1630 RPM 104 / 52 AFL NEMA Design D Determine the speed at which the motor will produce maximum torque. ○ 1236 RPM ○ 0 RPM ○ 1630 RPM ○ 1436 RPM

Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)

10th Edition

ISBN:9781337399128

Author:Russell E. Smith

Publisher:Russell E. Smith

Chapter7: Alternating Current, Power Distribution, And Voltage Systems

Section: Chapter Questions

Problem 3RQ

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Concept explainers

DC Generator

An electromechanical machine which converts input mechanical energy to respective output electric energy is called a generator.

Question

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A motor has a nameplate with the following data:
40 HP
60 Hz
240/480 Volts
1630 RPM
104 / 52 AFL
NEMA Design D
Determine the speed at which the motor will produce maximum torque.
○ 1236 RPM
○ 0 RPM
○ 1630 RPM
○ 1436 RPM

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