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IEEE 841-2009(Redline)

$99.67

IEEE Standard for Petroleum and Chemical Industry–Premium-Efficiency, Severe-Duty, Totally Enclosed Fan-Cooled (TEFC) Squirrel Cage Induction Motors–Up to and Including 370 kW (500 hp) (Redline)

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IEEE 2009
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Revision Standard – Superseded. This standard applies to premium efficiency totally enclosed fan-cooled (TEFC), horizontal and vertical, single-speed, squirrel cage polyphase induction motors, up to and including 370 kW (500 hp), and 4000 volts in National Electrical Manufacturers Association (NEMA) frame sizes 143T and larger, for petroleum, chemical, and other severe duty applications (commonly referred to as premium efficiency severe duty motors). Excluded from the scope of this standard are motors with sleeve bearings and additional specific features required for explosion-proof motors.

PDF Catalog

PDF Pages PDF Title
1 IEEE Std 841-2009 Front Cover
3 Title Page
6 Introduction
Notice to users
Laws and regulations
Copyrights
Updating of IEEE documents
7 Errata
Interpretations
Patents
8 Participants
10 Contents
13 Important Notice
1. Overview
1.1 Scope
14 1.2 Purpose
2. Normative references
15 3. Service conditions
3.1 Usual service conditions
3.2 Unusual service conditions
16 4. Ratings
4.1 Basis of rating
4.2 Frame assignments
4.3 Voltage and frequency ratings
4.4 Synchronous speed ratings
17 4.5 Enclosures
5. Electrical performance
5.1 General
5.2 Motor designs and starting characteristics
5.3 Power supply variations
18 5.4 Insulation system and temperature rise
19 6. Mechanical features
6.1 Bearings and lubrication
20 6.2 Rotor and shaft
21 6.3 Frames, endshields, and fan covers
6.4 Fans
6.5 Main terminal boxes and terminal leads
22 6.6 Drains
23 6.7 Hardware
6.8 Airborne sound
6.9 Vibration
7. Corrosion-resistant treatment
7.1 Frame paint
7.2 Assembly
24 7.3 Exposed internal stator, rotor, and shaft surfaces
7.4 Miscellaneous
8. Efficiency
9. Tests
9.1 Test methods
9.2 Factory tests
9.3 Additional tests
25 9.4 Test information supplied with motor
9.5 Prototype tests
26 10. Nameplate
10.1 Nameplate marking
27 10.2 Nameplate material
11. Space heaters—requirements
12. Data exchange—user and manufacturer
28 Annex A (informative) Prototype motor tests
A.1 Performance tests
A.2 Frame paint corrosion resistance (external surface)
A.3 Miscellaneous parts corrosion resistance
A.4 Nameplate corrosion resistance
29 A.5 Insulation system humidity resistance
30 Annex B (informative)Motor data sheet
32 Annex C (informative)Bibliography
IEEE 841-2009
$99.67