CSA C13.1 : M79(R2004)

Technical Committee on Instrument Transformers
Subcommittee on Capacitor Voltage Transformers
Preface
Reference Publications
Standard
1 Scope
2 Definitions
3 General Requirements
   3.1 General
   3.2 Service Conditions
   3.3 Reference Publications
4 Ratings
   4.1 Rated Voltage
   4.2 Rated Ratio(s)
   4.3 Maximum Burden Rating
   4.4 Rated Burden
   4.5 Rated Insulation Levels
5 Performance
   5.1 Overvoltage Characteristics
   5.2 Temperature Rise
   5.3 Reference Range of Frequency
   5.4 Accuracy Classes
   5.5 Limits of Ratio Correction Factor and Phase
        Angle
   5.6 Short-Circuit Characteristics
   5.7 Dissipation Factor of the Capacitor
   5.8 Stability
6 Creepage Distances
7 Mechanical Requirements
   7.1 Cantilever
   7.2 Tensile
   7.3 Special Requirements
8 Radio Interference
   8.1 Radio Interference Voltage (RIV)
9 Carrier and Accessory Requirements
   9.1 Carrier Drain Coil Insertion Loss
   9.2 Carrier Drain Coil Rated Power Frequency
        Voltage Drop
   9.3 Carrier Drain Coil Insulation Level (BIL)
   9.4 Electromagnetic Unit Carrier Frequency
        Insertion Loss
   9.5 Protective Gap Settings
10 Effects of Transients
   10.1 Ferro-resonance
   10.2 Transient Response
11 Tests-General
   11.1 Classification of Tests
   11.2 Nature of Tests
   11.3 Standard Temperatures for Testing
   11.4 Routine Tests
   11.5 Type Tests
12 Routine Tests
   12.1 Verification of Terminal Markings
   12.2 Capacitance and Dissipation Factor Before the
        Voltage Tests
   12.3 Power Frequency Voltage Withstand Tests, Dry
   12.4 Capacitance and Dissipation Factor After the
        Voltage Tests
   12.5 Accuracy Tests
   12.6 Protective Gap Tests
13 Type Tests
   13.1 Temperature-Rise Test
   13.2 Impulse Voltage Withstand Tests
   13.3 Power Frequency Voltage Withstand Test, Wet
   13.4 Ferro-resonance Test
   13.5 Transient Response Test
   13.6 Accuracy Tests
   13.7 Partial Discharge Test
   13.8 High-Frequency Capacitance and Equivalent
         Series Resistance
   13.9 Stray Capacitance and Conductance of Low-Voltage
         Terminal
   13.10 Temperature Coefficient
   13.11 Radio Interference Voltage Test
   13.12 Accelerated Life Testing
   13.13 Capacitor Loss at an Elevated Temperature
   13.14 Carrier Drain Coil Tests
   13.15 Electromagnetic Unit Carrier Frequency Insertion
         Loss Test
   13.16 Mechanical Tests
   13.17 Short-Circuit Test
14 Marking
   14.1 Marking of the Rating Plate of a Capacitor Voltage
        Transformer
   14.2 Marking of the Rating Plate for the Capacitor Units
Appendix A - Validity of Tests on Equivalent Circuits
Appendix B - High-Frequency Characteristics of Coupling
             Capacitors for Power Line Carrier Circuits
Appendix C - Accelerated Life Testing

Refers to CVT (capacitor voltage transformers), comprising of a capacitor divider and an electromagnetic unit, for connection between line and ground.