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IEEE C57.91-1995

IEEE Guide for Loading Mineral-Oil-Immersed Transformers

standard by IEEE , 11/30/1995

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Full Description

Scope

This guide covers general recommendations for loading 65 °C rise mineral-oil-immersed distribution and power transformers described in the standards listed in clause . Recommendations for 55 °C rise transformers are included in annex because a substantial percentage of these transformers are still in service.

Purpose

Applications of loads in excess of nameplate rating involve some degree of risk. It is the purpose of this guide to identify these risks and to establish limitations and guidelines, the application of which will minimize the risks to an acceptable level. Risk areas are identified in clauses and , and in the annexes as noted.

Abstract

Revision Standard - Superseded. General recommendations for loading 65 C rise mineral-oil-immersed distribution and power transformers are covered.
 

Product Details

Published:
11/30/1995
ISBN(s):
9780738108834
Number of Pages:
112
File Size:
1 file , 830 KB
Product Code(s):
STDSU94349
Note:
This product is unavailable in Russia, Belarus
 

Document History

  1. IEEE C57.91-2011


    IEEE Guide for Loading Mineral-Oil-Immersed Transformers and Step-Voltage Regulators

    • Most Recent

  2. IEEE C57.91-1995

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    IEEE Guide for Loading Mineral-Oil-Immersed Transformers

    • Historical Version

  3. IEEE 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

    • Historical Version
 

Amendments, rulings, supplements, and errata

  1. IEEE C57.91-1995/Cor 1-2002

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    IEEE Guide for Loading Mineral-Oil-Immersed Transformers - Corrigendum 1