IEEE C57.91-1979
GUIDE FOR LOADING MINERAL-OIL-IMMERSED OVERHEAD AND PAD-MOUNTED DISTRIBUTION TRANSFORMERS RATED 500 KVA AND LESS WITH 65 DEGREES C OR 55 DEGREES C AVERAGE WINDING RISE (R 1991)

Standard No.

IEEE C57.91-1979

Release Date

1979

Published By

IEEE - The Institute of Electrical and Electronics Engineers@ Inc.

Status

Be replaced 2013-01

Replace By

IEEE C57.91-1981

Latest

IEEE C57.91-2011

IEEE C57.91-1979 history

• 2011 IEEE C57.91-2011 Guide for Loading Mineral-Oil-Immersed Transformers and Step-Voltage Regulators
• 1995 IEEE C57.91-1995 Guide for Loading Mineral-Oil-Immersed Transformers
• 1981 IEEE C57.91-1981 Guide For Loading Mineral-Oil-Immersed Overhead And Pad-Mounted Distribution Transformers Rated 500 KVA And Less With 65 Degrees C or 55 Degrees C Average Winding Rise
• 1979 IEEE C57.91-1979 GUIDE FOR LOADING MINERAL-OIL-IMMERSED OVERHEAD AND PAD-MOUNTED DISTRIBUTION TRANSFORMERS RATED 500 KVA AND LESS WITH 65 DEGREES C OR 55 DEGREES C AVERAGE WINDING RISE (R 1991)