Active standard | Published: 24/06/2026

IEEE PC57.12.91

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

Available languages: English

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Detail information

Designation: IEEE PC57.12.91

Publication date: 24/06/2026

Pages: 0

Country: International technical standard

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Anotation

Revision Standard - Active - Draft.
To reflect current practice in the testing procedures of dry-type transformers, substantive changes to Clause 5, Clause 8, Clause 9, Clause 10, Clause 11, and Clause 12 of IEEE Std C57.12.91-2020 have been made in this revision. 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.

ISBN: 979-8-8557-3036-4, 979-8-8557-3036-4
Number of Pages: 119
Product Code: STDUD28584, STDAPE28584
Keywords: dry-type transformer, IEEE C57.12.91(TM), power transformer
Category: Transformers
Draft Number: PC57.12.91/D9, Jan 2026 - UNAPPROVED DRAFT, PC57.12.91/D9, Jan 2026 - APPROVED DRAFT

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