Superseded Standard

IEEE C57.12.40-2006

IEEE Standard for Requirements for Secondary Network Transformers, Subway and Vault Types (Liquid-Immersed)

This standard is intended for use as a basis for establishing the performance,interchangeability, and safety of the equipment covered and to assist in the proper selection of such equipment.

Sponsor Committee
PE/TR - Transformers
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Status
Superseded Standard
PAR Approval
2001-12-06
Superseded by
C57.12.40-2011
Superseding
C57.12.40-1993
Board Approval
2006-03-30
History
ANSI Approved:
2006-09-05
Published:
2006-09-15

Working Group Details

Society
IEEE Power and Energy Society
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Sponsor Committee
PE/TR - Transformers
Learn More About PE/TR - Transformers
Working Group
STNP WGC57.12.40 - STNP - Underground TR & NW Protect - Std. Req. for Sec. Network Xfrmrs Working Group
IEEE Program Manager
Malia Zaman
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Working Group Chair
John Vartanian

Other Activities From This Working Group

Current projects that have been authorized by the IEEE SA Standards Board to develop a standard.


PC57.12.40

IEEE Draft Standard for Network, Three-Phase Transformers, 2500 kVA and Smaller; High Voltage, 34 500 V and Below; Low Voltage, 600 V and Below; Subway and Vault Types (Liquid Immersed)

This standard is intended for use as a basis for establishing the performance, interchangeability, and safety of the equipment covered and to assist in the proper selection of such equipment.

Learn More About PC57.12.40

Standards approved by the IEEE SA Standards Board that are within the 10-year lifecycle.


C57.12.40-2017

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

This standard is intended for use as a basis for establishing the performance, interchangeability, and safety of the equipment covered and to assist in the proper selection of such equipment.

Learn More About C57.12.40-2017

These standards have been replaced with a revised version of the standard, or by a compilation of the original active standard and all its existing amendments, corrigenda, and errata.


C57.12.40-2011

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)

This standard is intended for use as a basis for establishing the performance, interchangeability, and safety of the equipment covered and to assist in the proper selection of such equipment.

Learn More About C57.12.40-2011

These standards have been removed from active status through a ballot where the standard is made inactive as a consensus decision of a balloting group.


No Inactive-Withdrawn Standards

These standards are removed from active status through an administrative process for standards that have not undergone a revision process within 10 years.


No Inactive-Reserved Standards
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