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Full Description

Scope

This standard describes methods for performing tests specified in IEEE Std C57.12.01 and other referenced standards applicable to dry-type distribution and power transformers. It is intended for use as a basis for performance, safety, and the proper testing of dry-type distribution and power transformers. This standard applies to all dry-type transformers except instrument transformers, step-voltage and induction voltage regulators, arc furnace transformers, rectifier transformers, specialty transformers, and mine transformers.

Purpose

The purpose of this standard is to provide information regarding the procedures for the testing of dry-type transformers. Transformer requirements and specific test criteria are not a part of this standard but are contained in appropriate standards such as IEEE Std C57.12.01 or in user specifications.

Abstract

Revision Standard - Superseded. This revision addresses substantive changes to Clause 5, 10 and 11 This revision addresses substantive changes to Clause 5, Clause 10, and Clause 11 of IEEE Std C57.12.91-2001 to reflect current practice in the testing procedures of dry-type transformers. This revision does not address transformer requirements and specific test criteria; rather they are contained in appropriate standards such as IEEE Std C57.12.01 or in user specifications.
 

Document History

  1. IEEE C57.12.91-2020


    IEEE Standard Test Code for Dry-Type Distribution and Power Transformers

    • Most Recent
  2. IEEE C57.12.91-2011

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    IEEE Standard Test Code for Dry-Type Distribution and Power Transformers

    • Historical Version
  3. IEEE C57.12.91-2001


    IEEE Standard Test Code for Dry-Type Distribution and Power Transformers

    • Historical Version
  4. IEEE C57.12.91-1995


    IEEE Standard Test Code for Dry-Type Distribution and Power Transformers

    • Historical Version
  5. IEEE C57.12.91-1979


    IEEE Standard Test Code for Dry-Type Distribution and Power Transformers

    • Historical Version