IEEE Standard C57.12.91-2026 IEEE Approved draft standard for standard test code for dry-type distribution and power transformers
Publication Year
2026
Document Status
Current
Abstract
Current practice in the testing procedures of dry-type transformers and guidelines for converting test results measured at 60 Hz to the equivalent values at 50 Hz and vice versa.
Document History
Supersedes IEEE C57.12.91-2020.
Publisher Information
Institute of Electrical and Electronics Engineers (IEEE)
Formed in 1963 from the amalgamation of the American Institute of Electrical Engineers and the Institute of Radio Engineers, the IEEE is the world's largest association of technical professionals in engineering, computing and technology information, with more than 423 000 members in over 160 countries.
