IS/IEC 60255 : Part 13 : 1980 : Electrical Relays Part 13 Biased (Percentage) Differential Relays

ICS 29.120.70 ETD 35

Reaffirmed 2022

NATIONAL FOREWORD

This Indian Standard (Part 13) which is identical with IEC 60255-13 : 1980 ‘Electrical relays Part 13 : Biased (percentage) differential relays’ issued by the International Electrotechnical Commission (IEC) was adopted by the Bureau of Indian Standards on the recommendation of the Power Systems Relays Sectional Committee, and approval of the Electrotechnical Division Council.