IEEE C57.109-1993 - IEEE Guide for Liquid-Immersed Transformers Through-Fault-Current Duration
Standard Details
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
Status
Superseded by
Board Approval
History
Additional Resources Details
Pars
Historical Base Standard
Working Group Details
Working Group
Working Group Chair
Sponsor Committee
Society
IEEE Program Manager
Existing Standards