FOREWORD
INTRODUCTION
Clause
1 Scope
2 Normative references
3 Definitions
4 Ratings and performance requirements
5 Methods of specification
6 Marking of rating plate
7 Tests
Annexes
A Basic theoretical equations for transient dimensioning
B Determination of core magnetization characteristic
C Direct tests
D Guide to performance criteria for current transformer
for protection relaying
E Determination of turns ratio error