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IEEE C57.12.70

Standard Terminal Markings and Connections for Distribution and Power Transformers

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Organization: IEEE
Publication Date: 7 December 2011
Status: active
Page Count: 56
scope:

This standard defines the terminal markings and connections for distribution, power, and regulating transformers covered in the IEEE C57 series of standards, guides, and recommended practices.

Purpose

The standard provides a consistent method for terminal markings and connections for single-phase and three-phase distribution, power, and regulating transformers. It designates terminal markings for interchangeability showing the sequence, external terminations, neutral terminations, grounded terminations, and marking of full and tap winding terminations. It also puts forth the connections of singlephase transformers in various configurations and describes the angular displacement of three-phase transformers when connected to various system phase displacements.

Document History

May 1, 2020
Draft IEEE Standard Terminal Markings and Connections for Distribution and Power Transformers
This standard defines the terminal markings and connections for distribution, power, and regulating transformers covered in the IEEE C57 series of standards, guides, and recommended practices....
IEEE C57.12.70
December 7, 2011
Standard Terminal Markings and Connections for Distribution and Power Transformers
This standard defines the terminal markings and connections for distribution, power, and regulating transformers covered in the IEEE C57 series of standards, guides, and recommended practices....
December 7, 2000
Standard Terminal Markings and Connections for Distribution and Power Transformers
This standard describes the terminal markings and connections for distribution, power, and regulating transformers covered in the C57 series of IEEE and ANSI standards, guides, and recommended...
December 7, 2000
Standard Terminal Markings and Connections for Distribution and Power Transformers
This standard describes the terminal markings and connections for distribution, power, and regulating transformers covered in the C57 series of IEEE and ANSI standards, guides, and recommended...
January 1, 1978
American National Standard Terminal Markings and Connections for Distribution and Power Transformers
A description is not available for this item.

References

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