Standard

NEK IEC 60076-21:2011

Dec 2011 Withdrawn

Note: This standard has a new edition: NEK IEC 60076-21:2018

Corrigendums and amendments are bought separately.

Language English

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Abstract

IEC 60076-21:2011/IEEE Std C57.15:2009 - Description of design types, tables of 50 Hz and 60 Hz ratings, supplementary ratings, construction, and available accessories are provided. Methods for performing routine and design tests applicable to liquid-immersed single and three-phase step-voltage regulators are described. Winding resistance measurements, polarity tests, insulation power factor and resistance tests, ratio tests, no load loss and excitation current measurements, impedance and load loss measurements, dielectric tests, temperature tests, routine and design impulse tests, short-circuit tests, control tests, calculated data, and certified test data are covered.

Document information

Standard from NEK
Published: 15 December 2011
Withdrawn: 7 December 2018
Edition: 1.0
Version: 1
Document type: NAT
ISBN:

ICS 29.180
National Committee NEK/NK14

Product Relations

Replaced by: NEK IEC 60076-21:2018
Adopted from: IEC 60076-21:2011

NEK IEC 60076-21:2011

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NEK IEC 60076-21:2018