Standard

IEEE C57.109-1985

Dec 1985 Revised

Note: This standard has a new edition: IEEE C57.109-2018

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Abstract

New IEEE Standard - Superseded. Recommendations believed essential for the application of overcurrent protective devices applied to limit the exposure time of transformers to short circuit current are set forth. Transformer coordination curves are presented for four categories of transformers. There is no intent to imply overload capability.

Document information

Standard from IEEE
Published: 2 December 1985
Document type: IS
Pages
ISBN: 978-0-7381-4290-6

Publisher IEEE
Distributor IEEE
ICS 29.180
Technical Committee IEEE Power and Energy Society / Transformers

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Revised by: IEEE C57.109-1993

IEEE C57.109-1985

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IEEE C57.109-2018

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IEEE C57.109-1985

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IEEE C57.109-2018

IEEE C57.109-2018

IEEE C57.109-1993

IEEE C57.109-1985

Abstract

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