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IEEE C57.12.40-2011

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

IEEE Standard for Network, Three-Phase Transformers, 2500 kVA and Smaller; High Voltage, 34 500 GrdY/19 920 and Below; Low Voltage, 600 V and Below; Subway and Vault Types (Liquid Immersed)
Available format(s)

PDF

Superseded date

07-20-2021

Language(s)

English

Published date

01-25-2012

Publisher

Institute of Electrical & Electronics Engineers

1. Overview
2. Normative references
3. Transformer performance requirements
4. Tests
5. Construction
6. Primary disconnect and grounding switch
7. Bushings
8. Neutral termination
9. Nameplate
10. Connections of transformer for shipment
    by manufacturer
Annex A (informative) - Bibliography
Annex B (informative) - Coordination of bushing selection
        and application

Defines certain electrical, dimensional, and mechanical characteristics and takes into consideration certain safety features of three-phase, 60-Hz, liquid-immersed, self-cooled, network transformers with a primary grounding switch.

Committee
Transformers
DevelopmentNote
Supersedes IEEE DRAFT C57.12.40. (09/2006) Supersedes ANSI C57.12.40. (01/2011)
DocumentType
Standard
Pages
34
PublisherName
Institute of Electrical & Electronics Engineers
Status
Superseded
SupersededBy
Supersedes

IEEE C57.12.37-2015 REDLINE IEEE Standard for the Electronic Reporting of Distribution Transformer Test Data
IEEE C57.12.70-2011 IEEE Standard for Standard Terminal Markings and Connections for Distribution and Power Transformers
IEEE C57.12.39-2017 IEEE Standard for Requirements for Distribution Transformer Tank Pressure Coordination
IEEE C57.12.35-2013 IEEE Standard Bar Coding for Distribution Transformers and Step-Voltage Regulators
IEEE 3001.5-2013 IEEE Recommended Practice for the Application of Power Distribution Apparatus in Industrial and Commercial Power Systems
IEEE C57.12.44-2014 IEEE Standard Requirements for Secondary Network Protectors
IEEE 386-2016 REDLINE IEEE Standard for Separable Insulated Connector Systems for Power Distribution Systems Rated 2.5 kV through 35 kV
IEEE C37.121-2012 GUIDE FOR SWITCHGEAR - UNIT SUBSTATION - REQUIREMENTS
IEEE C57.12.00-2015 IEEE Standard for General Requirements for Liquid-Immersed Distribution, Power, and Regulating Transformers

IEEE C57.12.32-2002 IEEE Standard for Submersible Equipment - Enclosure Integrity
IEEE 386-2016 REDLINE IEEE Standard for Separable Insulated Connector Systems for Power Distribution Systems Rated 2.5 kV through 35 kV
IEEE C57.12.00-2015 IEEE Standard for General Requirements for Liquid-Immersed Distribution, Power, and Regulating Transformers
IEEE C57.91-2011 REDLINE IEEE Guide for Loading Mineral-Oil-Immersed Transformers and Step-Voltage Regulators
IEEE C57.12.90-2010 IEEE Standard Test Code for Liquid-Immersed Distribution, Power, and Regulating Transformers
ASME B1.20.1 : 2013(R2018) PIPE THREADS, GENERAL PURPOSE (INCH)
IEEE C57.12.20-2011 REDLINE IEEE Standard for Overhead-Type Distribution Transformers 500 kVA and Smaller: High Voltage, 34 500 V and Below; Low Voltage, 7970/13 800Y V and Below

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