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ANSI/NEMA C50.41 : 2012

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

POLYPHASE INDUCTION MOTORS FOR POWER GENERATION STATIONS

Available format(s)

Hardcopy , PDF

Superseded date

27-07-2021

Language(s)

English

Published date

11-03-2013

Foreword
1 Scope
2 Applicable Standards
3 Definitions
4 Service Conditions
5 Basis of Rating
6 Horsepower Ratings of Multispeed Motors
7 Insulation Systems
8 Service Factor
9 Temperature
10 Torques
11 Starting Requirements
12 Load Inertia (Wk[2])
13 Variation from Rated Voltage and Rated Frequency
14 Bus Transfer or Reclosing
15 Power Factor Correction
16 Efficiency
17 Stator current pulsations
18 Surge Capabilities of AC Winding with Form-Wound
   Coils
19 Motors Operating on an Ungrounded System
20 Occasional Excess Current
21 Operation of Induction Motors from Variable-Frequency
   or Variable-Voltage Power Supplies, or Both
22 Belt, Chain, and Gear Drive
23 Aseismatic Capability
24 Airborne Sound
25 Bearings
26 Lubrication System
27 Overspeed
28 Construction Features
29 Terminal Housing and Boxes
30 Coupling End Play and Rotor Float
31 Motor Vibration
32 High-Potential Tests
33 Motor with Sealed Windings - Conformance Tests
34 Tests on Complete Motors
35 Rotation
36 Nameplate
37 Documentation

Pertains to polyphase induction motors intended for use in power-generating stations, including the following: frame size larger than 440 series, squirrel cage type, single speed or multispeed, horizontal or vertical construction and form wound.

DocumentType
Standard
Pages
44
PublisherName
National Electrical Manufacturers Association
Status
Superseded
SupersededBy

IEEE 1415 : 2006 INDUCTION MACHINERY MAINTENANCE TESTING AND FAILURE ANALYSIS
API STD 541 : 2014 FORM-WOUND SQUIRREL CAGE INDUCTION MOTORS - 375 KW (500 HORSEPOWER) AND LARGER
IEEE 741-2007 IEEE Standard Criteria for the Protection of Class 1E Power Systems and Equipment in Nuclear Power Generating Stations
IEEE C37.96-2012 IEEE Guide for AC Motor Protection
IEEE 3004.8-2016 IEEE Recommended Practice for Motor Protection in Industrial and Commercial Power Systems
IEEE 1566-2015 REDLINE IEEE Standard for Performance of Adjustable-Speed AC Drives Rated 375 kW and Larger

ABMA 9 : 2015 LOAD RATINGS AND FATIGUE LIFE FOR BALL BEARINGS
NEMA MG 2:2014 Safety Standard for Construction and Guide for Selection, Installation and Use of Electric Motors and Generators
ABMA 11 : 2014 LOAD RATINGS AND FATIGUE LIFE FOR ROLLER BEARINGS
IEEE 112-2004 IEEE Standard Test Procedure for Polyphase Induction Motors and Generators

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