IEEE C57.109 : 1993

Table of Contents

1 Overview
  1.1 Scope
  1.2 Purpose
  1.3 General
2 References
3 Definitions
4 Transformer coordination
  4.1 Category I transformers
  4.2 Category II transformers
  4.3 Categories III and IV transformers
  4.4 Recommended duration limits

Abstract

Refers to liquid-immersed transformers through-fault-current duration as referenced in IEEE Std C 57.12.00-1993 as Categories, I, II, III, and IV.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	Institute of Electrical & Electronics Engineers
Pages
ISBN