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Full Description

Scope

This test procedure for the thermal evaluation of insulation systems of dry-type power and distribution transformers, including both open-wound technology and solid-cast / encapsulated technology is to be used for determining the temperature classification of the insulation systems.

Purpose

The purpose of this test procedure is to establish a uniform method for the following: a) Providing data for the selection of the temperature classification of the insulation system; b) Providing data that may be used as a basis for a loading guide; c) Comparative evaluation of different insulation systems.

Abstract

Revision Standard - Superseded. A uniform method is established for determining the temperature classification for the insulation systems for open-wound, solid-cast and resin-encapsulated power and distribution transformers by testing rather than by chemical composition. These insulation systems are intended for use in transformers covered by IEEE Std C57.12.01(TM) and IEEE Std C57.12.91(TM) as they apply to dry-type transformers whose highest voltages exceed nominal 600 V.
 

Document History

  1. IEEE C57.12.60-2020


    IEEE Standard for Thermal Evaluation of Insulation Systems for Dry-Type Power and Distribution Transformers

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  2. IEEE C57.12.60-2009

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    IEEE Standard Test Procedure for Thermal Evaluation of Insulation Systems for Dry-Type Power and Distribution Transformers, Including Open-Wound, Solid-Cast, and Resin-Encapsulated Transformers

    • Historical Version
  3. IEEE C57.12.60-1998


    IEEE Guide for Test Procedures for Thermal Evaluation of Insulation Systems for Solid Cast and Resin-Encapsulated Power and Distribution Transformers

    • Historical Version
  4. IEEE C57.12.60-1992


    IEEE Trial-Use Standard Test Procedures for Thermal Evaluation of Insulation Systems for Solid-Cast and Resin-Encapsulated Power and Distribution Transformers

    • Historical Version
 

Amendments, rulings, supplements, and errata

  1. IEEE C57.12.60-2009/Cor 1-2013

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    IEEE Standard Test Procedure for Thermal Evaluation of Insulation Systems for Dry-Type Power and Distribution Transformers, Including Open-Wound, Solid-Cast, and Resin-Encapsulated Transformers