Table of Contents
Foreword
1Scope
2ApplicableStandards
3Definitions
4ServiceConditions
5BasisofRating
6HorsepowerRatingsofMultispeedMotors
7InsulationSystems
8ServiceFactor
9Temperature
10Torques
11StartingRequirements
12LoadInertia(Wk[2])
13VariationfromRatedVoltageandRatedFrequency
14BusTransferorReclosing
15PowerFactorCorrection
16Efficiency
17Statorcurrentpulsations
18SurgeCapabilitiesofACWindingwithForm-Wound
Coils
19MotorsOperatingonanUngroundedSystem
20OccasionalExcessCurrent
21OperationofInductionMotorsfromVariable-Frequency
orVariable-VoltagePowerSupplies,orBoth
22Belt,Chain,andGearDrive
23AseismaticCapability
24AirborneSound
25Bearings
26LubricationSystem
27Overspeed
28ConstructionFeatures
29TerminalHousingandBoxes
30CouplingEndPlayandRotorFloat
31MotorVibration
32High-PotentialTests
33MotorwithSealedWindings-ConformanceTests
34TestsonCompleteMotors
35Rotation
36Nameplate
37Documentation Abstract
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.
