Superseded Standard

IEEE C57.109-1993

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

Recommendations believed essential for the application of over current 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

Sponsor Committee
PE/TR - Transformers
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Status
Superseded Standard
Superseded by
C57.109-2018
Superseding
C57.109-1985
Board Approval
1993-03-18
History
ANSI Approved:
1993-09-29
Published:
1993-10-15
Reaffirmed:
2008-03-27

Working Group Details

Society
IEEE Power and Energy Society
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Sponsor Committee
PE/TR - Transformers
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Working Group
PerfCharac-WGC57.109 - Performance Cahracteristics - Liquid-Immersed Transformers Working Group
IEEE Program Manager
Malia Zaman
Contact
Working Group Chair
Vinay Mehrotra
No Active Projects

C57.109-2018

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

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.

Learn More

C57.109-1985

IEEE Guide for Transformer Through-Fault-Current Duration

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.

Learn More

No Inactive-Withdrawn Standards
No Inactive-Reserved Standards
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