Reaffirmed 2020

NATIONAL FOREWORD

This Indian Standard (Part 4/Sec 7) which is identical with IEC 61000-4-7 : 2009 ‘Electromagnetic compatibility (EMC) - Part 4-7: Testing and measurement techniques General guide on harmonics and interharmonics measurements and instrumentation, for power supply systems and equipment connected thereto’ issued by the International Electrotechnical Commission (IEC) was adopted by the Bureau of Indian Standards on the recommendation of the Electromagnetic Compatibility Sectional Committee and approval of the Electronics and Information Technology Division Council.

This standard (Part 4/ Sec 7) is the First Revision of IS 14700(Part 4/Sec 7) : 2006. This standard was published based on IEC 61000 - 4-7 (2002). This standard (Part 4 / Sec 7) has been revised to align it with the latest edition of IEC 61000 - 4-7 (2009). This standard (Part 4/ Sec 7) is one of the parts of a series of standards on ‘Electromagnetic Compatibility’.

The other parts in this series are

Part 1 General

Part 3 Limits

Part 6 Generic standards

The text of IEC Standard has been approved as suitable for publication as an Indian Standard without deviations. Certain conventions are, however, not identical to those used in Indian Standards. Attention is particularly drawn to the following:

a) Wherever the words ‘International Standard’ appear referring to this standard, they should be read as ‘Indian Standard.

b) Comma (,) has been used as a decimal marker while in Indian Standards, the current practice is to use a point (.) as decimal marker.