IS 17123 : Part 9 : Sec 2 : 2025/IEC 61800-9-2 : 2023 Adjustable Speed Electrical Power Drive Systems - Part 9 Ecodesign for Motor Systems - Section 2 Energy Efficiency Determination and Classification

ICS 29.130.01; 29.160.30; 29.200

ETD 31

NATIONAL FOREWORD

This Indian Standard (Part 9/Sec 2) which is identical to IEC 61800-9-2 : 2023 ‘Adjustable speed electrical power drive systems (PDS) - Part 9-2: Ecodesign for motor systems - Energy efficiency determination and classification’ issued by the International Electrotechnical Commission (IEC) was adopted by the Bureau of Indian Standards on the recommendation of the Power Electronics Sectional Committee and approval of the Electrotechnical Division Council.

This standard is published in various parts. Other parts in this series are:

Part 1 General requirements - Rating specifications for low voltage adjustable speed d.c. power drive systems

Part 6 Guide for determination of types of load duty and corresponding current ratings