Table of Contents

1. Overview
2. Normative references
3. Marking of terminals and identification of windings
4. Single-phase transformers
5. Angular displacement and connections for single-phase
   transformers in three-phase and six-phase banks
6. Phase relationships and terminal markings for
   three-phase transformers
7. Terminal markings for three-phase to six-phase
   transformers
8. Use of transformers with standard voltage diagrams
   in connecting systems of various phase displacements
Annex A (informative) - Winding connection details and
        explanations
Annex B (informative) - Bibliography

Abstract

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

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	Institute of Electrical & Electronics Engineers
Pages
ISBN
Supersedes	IEEE DRAFT C57.12.70 : D3 JULY 2000