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IEC 60076-21:2011

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Power transformers - Part 21: Standard requirements, terminology, and test code for step-voltage regulators
Available format(s)

Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users

Superseded date

31-12-2021

Language(s)

English

Published date

15-12-2011

1. Overview
2. Normative references
3. Definitions
4. Service conditions
5. Rating data
6. Construction
7. Other requirements
8. Test code
9. Control systems
Annex A (informative) - Unusual temperature and altitude
        conditions
Annex B (informative) - Field dielectric tests
Annex C (informative) - Bibliography
Annex D (informative) - IEEE List of Participants

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.

DevelopmentNote
Also numbered as IEEE C57.15. (12/2011)
DocumentType
Standard
Pages
103
PublisherName
International Electrotechnical Committee
Status
Superseded
SupersededBy

Standards Relationship
IS 2026 : Part 21 : 2018 Identical
BS IEC 60076-21:2011 Identical
NEN IEC 60076-21 : 2012 Identical
SANS 60076-21 : 1ED 2013 Identical

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