IEEE C57.109-1993
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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IEEE Guide for Liquid-Immersed Transformers Through-Fault-Current Duration
05-10-2018
English
15-10-1993
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
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