C57.109-1985 IEEE Guide for Transformer Through-Fault-Current Duration

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Organization: IEEE - Institute of Electrical and Electronics Engineers, Inc.
Publication Date: 1 January 1985
Status: inactive
Page Count: 10
ICS Code (Transformers. Reactors): 29.180
ISBN (Online): 0-7381-4290-5
DOI: 10.1109/IEEESTD.1985.106992

Abstracts

Standard

Protective devices such as relays and fuses have well-defined operating characteristics that relate fault magnitude to operating time. It is desirable that these characteristic curves be coordinated with a comparable curve(s) applicable to transformers that relate duration and fault magnitude to withstand capability. This guide sets forth recommendations believed essential for the application of overcurrent protective devices applied to limit the exposure time of transformers to short-circuit current (see ANSI/IEEE C37.91-1985).<>

Document History

C57.109-1993 - IEEE Guide for Liquid-Immersed Transformer Through-Fault-Current Duration
January 1, 1993 - IEEE - Institute of Electrical and Electronics Engineers, Inc.
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C57.109-1985 - IEEE Guide for Transformer Through-Fault-Current Duration
January 1, 1985 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

Protective devices such as relays and fuses have well-defined operating characteristics that relate fault magnitude to operating time. It is desirable that these characteristic curves be coordinated with a comparable curve(s) applicable to transformers that relate duration and fault magnitude to wit...

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