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IEEE PC57.12.91
IEEE Approved Draft Standard for Standard Test Code for Dry-Type Distribution and Power Transformers
Translate name
STANDARD published on 24.6.2026
The information about the standard:
Designation standards: IEEE PC57.12.91
Publication date standards: 24.6.2026
SKU: NS-1267067
Approximate weight : 300 g (0.66 lbs)
Country: International technical standard
Category: Technical standards IEEE
Annotation of standard text IEEE PC57.12.91 :
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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