IEEE Standards Association
IEEE STANDARD
C57.12.60-2009 - 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
Description: 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.
- Status:
Working Group: DryType-WGC57.12.60 - Dry Type Transformers - Thermal Eval. For Solid-Cast & Resin Encap Insulation Working Group
Oversight Committee: PE/TR - Transformers 
Sponsor: IEEE Power & Energy Society
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