Table of Contents

FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions and abbreviations
4 Responsibilities in the current transformer design
   process
5 Basic theoretical equations for transient designing
6 Duty cycles
7 Determination of the transient dimensioning factor
   K[td] by numerical calculation
8 Core saturation and remanence
9 Practical recommendations
10 Relations between the various types of classes
11 Protection functions and correct CT specification
Annex A (informative) - Duty cycle C - O software code
Annex B (informative) - Software code for numerical
        calculation of K[td]
Bibliography

Abstract

Pertains to inductive protective current transformers meeting the requirements of the IEC 61869-2 standard.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	International Electrotechnical Committee
Pages
ISBN
Committee	TC 38