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IEEE C57.15-2009 REDLINE

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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IEEE Standard Requirements, Terminology, and Test Code for Step-Voltage Regulators

Available format(s)

PDF

Superseded date

29-05-2020

Language(s)

English

Published date

11-12-2009

1. Overview
   1.1 Scope
   1.2 Purpose
   1.3 Word usage
2. Normative references
3. Definitions
4. Service conditions
   4.1 Usual service conditions
   4.2 Loading at other than rated conditions
   4.3 Unusual service conditions
   4.4 Frequency
5. Rating data
   5.1 Cooling classes of voltage regulators
   5.2 Ratings
   5.3 Supplementary continuous-current ratings
   5.4 Taps
   5.5 Operating voltage limits
   5.6 Voltage supply ratios
   5.7 Insulation levels
   5.8 Losses
   5.9 Short-circuit requirements
   5.10 Tests
6. Construction
   6.1 Bushings
   6.2 Terminal markings
   6.3 Diagram of connections
   6.4 Nameplates
   6.5 Tank construction
   6.6 Components and accessories
7. Other requirements
   7.1 Other supplementary continuous-current ratings
   7.2 Other components and accessories
8. Test code
   8.1 Resistance measurements
   8.2 Polarity test
   8.3 Ratio tests
   8.4 No-load losses and excitation current
   8.5 Load losses and impedance voltage
   8.6 Dielectric tests
   8.7 Temperature-rise tests
   8.8 Short-circuit tests
   8.9 Calculated data
9. Control systems
   9.1 General
   9.2 Control device construction
   9.3 Control system requirements
   9.4 Tests
Annex A (informative) - Unusual temperature and altitude
        conditions
Annex B (informative) - Field dielectric tests
Annex C (informative) - Bibliography

Deals with electrical and mechanical requirements of liquid-immersed, single- and three-phase, step-voltage regulators, not exceeding a regulation of 3000 kVA (for three-phase units) or 1000 kVA (for single-phase units).

Committee
Transformers
DevelopmentNote
Supersedes IEEE DRAFT C57.15 (06/2000) Also numbered as IEC 60076-21. (12/2011)
DocumentType
Standard
Pages
121
PublisherName
Institute of Electrical & Electronics Engineers
Status
Superseded
SupersededBy
Supersedes

Standards Relationship
IS 2026 : Part 21 : 2018 Identical

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