Active standard | Published: 24/12/2026

IEEE PC57.12.90

IEEE Approved Draft IEEE Standard Test Code for Liquid-Immersed Distribution, Power, and Regulating Transformers

Available languages: English

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Detail information

Designation: IEEE PC57.12.90

Publication date: 24/12/2026

Pages: 0

Country: International technical standard

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Anotation

Revision Standard - Active - Draft.
Methods for performing tests specified in IEEE Std C57.12.00™ and other standards applicable to liquid-immersed distribution, power, and regulating transformers are described. Instrument transformers, step-voltage and induction voltage regulators, arc furnace transformers, rectifier transformers, specialty transformers, grounding transformers, and mine transformers are excluded. Resistance measurements, polarity and phase-relation tests, ratio tests, no-load loss and excitation current measurements, impedance and load loss measurements, dielectric tests, temperature tests, short-circuit tests, audible sound level measurements, and calculated data are covered in this standard.

ISBN: 979-8-8557-3664-9, 979-8-8557-3664-9
Number of Pages: 128
Product Code: STDUD28975, STDAPE28975
Keywords: IEEE C57.12.90(TM), tests, transformer tests, transformers
Category: Transformers
Draft Number: PC57.12.90/D13, Jun 2026 - UNAPPROVED DRAFT, PC57.12.90/D13, Jun 2026 - APPROVED DRAFT

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