NEMA Design E motors and controls. What's it all about?

The purpose of this paper is to present the performance differences between NEMA Design B and NEMA Design E motors and the impact that this may have on the control, protection and application of the motor. It is shown that, while the NEMA Design E motor may be a physical equivalent of a NEMA Design...

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Bibliographic Details
Published inIEEE industry applications magazine Vol. 5; no. 4; pp. 26 - 40
Main Authors Kilburn, J.A., Daugherty, R.H.
Format Magazine Article
LanguageEnglish
Published IEEE 01.07.1999
Subjects
Electric breakdown
Electric motors
Energy conservation
IEC standards
Manufacturing
North America
Protection
Rotors
Senior members
Torque
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Summary:The purpose of this paper is to present the performance differences between NEMA Design B and NEMA Design E motors and the impact that this may have on the control, protection and application of the motor. It is shown that, while the NEMA Design E motor may be a physical equivalent of a NEMA Design B motor, the differences in performance may require changes in control and protection equipment.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:1077-2618
1558-0598
DOI:10.1109/2943.771364