NDLI: An accurate low-cost method for determining electric motors' efficiency for the purpose of plant energy management

Content Provider	IEEE Xplore Digital Library
Author	El-Ibiary, Y.
Copyright Year	1972
Abstract	As the cost of energy increases it is increasingly more important to remove inefficient motors from operation. The first step toward achieving this goal is to estimate accurately the existing motors' efficiencies to determine how much saving will be achieved by using more efficient motors. The problem with estimating the efficiency of motors in the field is the practicality and cost associated with measuring the output power. This paper describes the results of a very-low-cost and accurate method for determining the motor efficiency without the need for removing the motors and without the need for measuring the output power or torque. Test results indicate that the novel method has an accuracy of over 99%. As a result of the high accuracy it is possible to estimate the potential savings with great confidence.
Sponsorship	IEEE Industry Applications Society
Starting Page	1205
Ending Page	1210
Page Count	6
File Size	457299
File Format	PDF
ISSN	00939994
Volume Number	39
Issue Number	4
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2003-07-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Electric motors Energy management AC motors Synchronous motors Stator cores Impedance Rotors Inductance Costs Temperature
Content Type	Text
Resource Type	Article
Subject	Industrial and Manufacturing Engineering Control and Systems Engineering Electrical and Electronic Engineering

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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