IEEE C57.91-1981

IEEE C57.91-1981

$36.00

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
standard by IEEE, 07/31/1981

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Description

New IEEE Standard – Superseded.General recommendations for loading 65 degrees Centigrade-rise mineral-oil-immersed overhead and pad-mounted distribution transformers are covered.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 transformers are included because a substantial percentage of these transformers are still in service. The recommendations are based on winding hottest-spot calculations only. Other factors that may limit the permissible load to lower values are listed. A method to establish winding temperature and loss of life by nomographs is given.

Product Details

Published:
07/31/1981
ISBN(s):
9780738143019
Number of Pages:
26
File Size:
1 file , 1.5 MB
Product Code(s):
STDSU08177
Note:
This product is unavailable in Russia, Belarus

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