IEEE - Institute of Electrical and Electronics Engineers, Inc. - C57.91-1981
IEEE Guide for Loading Mineral-Oil-Immersed Overhead and Pad-Mounted Distribution Transformers Rated 500kVA and Less with 65 C or 55 C Average Winding Rise
superseded
-
Reaffirmed
,
Superseded by
C57.91-1995
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Organization: | IEEE - Institute of Electrical and Electronics Engineers, Inc. |
Publication Date: | 31 July 1981 |
Status: | superseded |
Page(s): | 1 - 26 |
ICS Code (Transformers. Reactors): | 29.180 |
ISBN (Electronic): | 978-0-7381-4301-9 |
DOI: | 10.1109/IEEESTD.1981.81014 |
Standard:
General recommendations for loading 65 degrees Centigrade-rise mineral-oil-immersed
Document History

March 10, 2012
IEEE Guide for Loading Mineral-Oil-Immersed Transformers
General recommendations for loading 65 °C rise mineral-oil-immersed distribution and power transformers are covered.

March 7, 2012
IEEE Guide for Loading Mineral-Oil-Immersed Transformers and Step-Voltage Regulators - Redline
This guide provides recommendations for loading mineral-oil-immersed transformers and step-voltage regulators with insulation systems rated for a 65 C average winding temperature rise at rated load....

March 7, 2012
IEEE Guide for Loading Mineral-Oil-Immersed Transformers and Step-Voltage Regulators
This guide provides recommendations for loading mineral-oil-immersed transformers and step-voltage regulators with insulation systems rated for a 65 C average winding temperature rise at rated load....

October 8, 2010
IEEE Draft Guide for Loading Liquid Immersed Transformers and Voltage Regulators
General recommendations for loading 65 C rise mineral-oil-immersed distribution and power transformers are covered.

June 12, 2003
IEEE Guide for Loading Mineral-Oil-Immersed Transformers - Corrigendum 1
Errors identified in IEEE Std C57.91-1995 are addressed in this corrigendum.

January 1, 1996
IEEE Guide for Loading Mineral-Oil-Immersed Transformers
In this IEEE standard general recommendations for loading 65/spl deg/C rise mineral-oil-immersed distribution and power transformers are covered. Recommendations for 55/spl deg/C rise transformers...

C57.91-1981
July 31, 1981
IEEE Guide for Loading Mineral-Oil-Immersed Overhead and Pad-Mounted Distribution Transformers Rated 500kVA and Less with 65 C or 55 C Average Winding Rise
General recommendations for loading 65 degrees Centigrade-rise mineral-oil-immersed overhead and pad-mounted distribution transformers are covered. Recommendations for 55 degrees Centigrade-rise...