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IEEE C57.109-1985

Historical Revision

IEEE Guide for Liquid-Immersed Transformers Through-Fault-Current Duration

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New IEEE Standard - Superseded.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.

SDO IEEE: Institute of Electrical and Electronics Engineers
Document Number C57.109
Publication Date Dec. 2, 1985
Language en - English
Page Count 3
Revision Level
Supercedes
Committee Transformers
Publish Date Document Id Type View
Oct. 5, 2018 C57.109-2018 Revision
Oct. 15, 1993 C57.109-1993 Revision
Dec. 2, 1985 C57.109-1985 Revision