NEMA SM 1 : 2017
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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GUIDE TO GENERAL-PURPOSE SYNCHRONOUS MOTORS WITHOUT EXCITED ROTOR WINDINGS
Hardcopy , PDF
English
01-01-2017
27-07-2021
Provides general-purpose synchronous motors without excited rotor windings, including polyphase alternating-current permanent magnet motors rated 500 horsepower and less, designed in standard ratings with standard operating characteristics and mechanical construction for use under usual service conditions without restriction to a particular application or type of application, and incorporating all of the following: a.Across the line starting b.Permanent magnets in the rotor c.Open or enclosed construction d.Rated continuous duty e.Class B or higher rated insulation system with a temperature rise at rated load not exceeding that specified in 7.15 for Class B insulation.
| DocumentType |
Standard
|
| Pages |
190
|
| PublisherName |
National Electrical Manufacturers Association
|
| Status |
Superseded
|
| SupersededBy |
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