IEEE Standard Test Code for Dry-Type Distribution and Power Transformers
NORMA vydána dne 18.9.2026
Designation standards: IEEE C57.12.91-2026
Publication date standards: 18.9.2026
The number of pages: 112
Approximate weight : 367 g (0.81 lbs)
Country: International technical standard
Kategorie: Technické normy IEEE
Revision Standard - Active.
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. Transformer requirements and specific test criteria are not addressed; rather, they are contained in appropriate standards such as IEEE Std C57.12.01™ or in user specifications.
ISBN: 979-8-8557-3036-4, 979-8-8557-3779-0, 979-8-8557-3780-6
Number of Pages: 112
Product Code: STDAPE28584, STD29052, STDPD29052
Keywords: dry-type transformer, IEEE C57.12.91™, power transformer
Category: Transformers
Draft Number: PC57.12.91/D9, Jan 2026 - APPROVED DRAFT