Table of Contents
Foreword
Scope
Section1-INTRODUCTION
1.1ReferencedStandards
1.2General
1.2.1MediumMotors
1.2.2UsualServiceConditions
1.3PowerSupply
1.3.1Ratings
1.3.2EffectsofVariationinVoltageandFrequency
1.3.3EffectsofVoltageUnbalance
1.4Efficiency
1.4.1MotorLosses
1.4.2VariationsinMotorLosses
1.4.3EfficiencyTestingMethods
1.4.4TestingVariations
1.4.5ManufacturingVariations
1.4.6NEMAStandardsonEfficiencyNomenclatureand
Labeling
1.5EvaluationofEfficiencyEconomics
1.5.1SimplePaybackAnalysis
1.5.2PresentWorthLifeCycleAnalysis
1.6MotorSelection
1.6.1InductionMotors
1.6.2MultispeedMotors
1.7PowerFactor
1.8ApplicationAnalysis
1.8.1ApplicationsInvolvingLoadCycling
1.8.2ApplicationsInvolvingExtendedPeriodsofLight
LoadOperation
1.8.3ApplicationsInvolvingThrottlingorBypassControl
1.8.4ApplicationsInvolvingOverhaulingLoads
Section2-MAINTENANCE Abstract
Gives practical information on the proper selection and application of polyphase induction and synchronous motors including operation, maintenance and installation.
