IEC 60076-21:2018*IEEE Std C57.15:2017
IEC/IEEE International Standard- Power transformers - Part 21: Standard requirements, terminology, and test code for step-voltage regulators

Standard No.

IEC 60076-21:2018*IEEE Std C57.15:2017

Release Date

2018

Published By

Institute of Electrical and Electronics Engineers (IEEE)

Latest

IEC 60076-21:2018*IEEE Std C57.15:2017

Scope

This document describes electrical, mechanical and test requirements of liquid -immersed, single- and three-phase, 50 Hz and 60 Hz, self and forced -air cooled, distribution, overhead and substation, step -voltage regulators, 1 000 kVA (single-phase units) or 3 000 kVA (threephase units) and smaller, 34 500 volts and below (2 400 V minimum) and their associated controls.

IEC 60076-21:2018*IEEE Std C57.15:2017 history

• 2018 IEC 60076-21:2018*IEEE Std C57.15:2017 IEC/IEEE International Standard- Power transformers - Part 21: Standard requirements, terminology, and test code for step-voltage regulators
• 2011 IEC 60076-21:2011*IEEE Std C57:2011 Power Transformers – Part 21: Standard Requirements, Terminology, and Test Code for Step-Voltage Regulators