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IEEE C57.131-2012

Withdrawn
Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

IEEE Standard Requirements for Tap Changers
Available format(s)

PDF

Withdrawn date

03-30-2023

Language(s)

English

Published date

05-04-2012

1. Overview
2. Normative references
3. Definitions
4. Service conditions
5. Requirements for LTCs
6. Requirements for motor-drive mechanisms for load
    tap changers
7. Requirements for de-energized tap changers (DETCs)
8. Requirements for motor-drive mechanisms for DETCs
9. Nameplate
10. Manufacturer's operating instructions
Annex A (informative) - Switching duty relating to load
        tap changers (LTCs) with resistor transition
Annex B (informative) - Switching duty relating to load
        tap changers (LTCs) with reactor transition
Annex C (informative) - Method of determining the equivalent
        temperature of the transition resistor using power
        pulse currents
Annex D (informative) - Simulated circuits for service duty
        and breaking capacity tests for resistance-type LTCs
Annex E (informative) - Tutorial information on LTC application
Annex F (informative) - Bibliography

Specifies electrical and mechanical performance and test requirements for load tap changers and de-energized tap changers, installed in power transformers and voltage regulating transformers and immersed in transformer mineral oil.

Committee
Transformers
DevelopmentNote
Supersedes IEEE DRAFT C57.131. (08/2004)
DocumentType
Standard
ISBN
978-0-7381-7272-9
Pages
73
PublisherName
Institute of Electrical & Electronics Engineers
Status
Withdrawn
Supersedes

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