Table of Contents
Foreword
Scope
Section1REFERENCEDSTANDARDS
Section2CURRENTTRANSFORMERS
Definitions
StandardRatings
Nameplate
PolarityMarkingofTerminals
SecondaryLeadMarkings
TestCard
Terminals
SpaceforUserIdentificationNumber
MechanicalConstitution
IndoorandOutdoorCurrentTransformers110kVBIL
IndoorCurrentTransformers,60kVBILthrough110kVBIL
OutdoorCurrentTransformers,60kVBILthrough110kVBIL
Section3VOLTAGETRANSFORMERS
Definitions
PrimaryVoltageRatingsandBasicImpulseInsulationLevels
StandardRatings
Nameplate
RatedBurdenfor0.3AccuracyClass
ThermalBurdenRating
TestCard
PolarityMarkingofTerminals
TerminalIdentification
PrimaryVoltageIdentification
Terminals
SpaceforUsersIdentificationNumber
Dimensions
AppendixACIRCLEMETHODOFDETERMINATIONOFVOLTAGETRANSFORMER
ACCURACY Abstract
Provides general requirements, ratings, accuracy classifications, burdens, and pertinent dimensions applicable to instrument current and voltage transformers for revenue metering rated 110 kV BIL and less.
