The nameplate of a motor provides the following information: a. Calculate the following parameters: the slip RPM

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The nameplate of a motor provides the following information: image text in transcribed

a. Calculate the following parameters: the slip RPM and the power factor of the motor.

b. Determine if it is cost-effective to replace this motor with a more efficient motor (You need to document the reference for the motor cost). Perform the calculations with and without adjusting the speed of the energy-efficient motor.

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Energy Audit Of Building Systems An Engineering Approach

ISBN: 9780367820466

3rd Edition

Authors: Moncef Krarti

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Question Posted: Feb 07, 2024 01:49 PM

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The nameplate of a motor provides the following information: a. Calculate the following parameters: the slip RPM

Question:

Full load hp Volts Amperes Full load rpm Efficiency 100 440/220 123/246 Average volts Amperes Full load rpm 1,775 0.92 During an audit, measurements on the motor indicated: 440 116 1,779

Step by Step Answer:

a Calculations 1 Slip RPM Slip RPM Ns can be calculated using the formula Ns Nsmax N Nsmax 100 Where ...View the full answer

Energy Audit Of Building Systems An Engineering Approach

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