IEEE Std C57.12.80-2010 PDF

Full title and description

IEEE Std C57.12.80-2010 — "IEEE Standard Terminology for Power and Distribution Transformers" is a compiled vocabulary of terms and definitions used in the design, manufacture, testing, rating and operation of power and distribution transformers and related apparatus. It consolidates terminology that is commonly used across transformer standards and the transformer industry to promote consistent interpretation.

Abstract

This 2010 edition provides a consolidated set of definitions and descriptive terms for power and distribution transformers and associated equipment, including related power-system and insulation terminology. The standard is intended to facilitate clear and consistent communication among manufacturers, users, test laboratories and standards bodies. (Historical edition — subsequently updated by a later revision.)

General information

• Status: Superseded (historical edition; superseded by a later revision of C57.12.80).
• Publication date: December 17, 2010 (IEEE board approval and published in 2010; ANSI approval recorded in 2011).
• Publisher: Institute of Electrical and Electronics Engineers (IEEE).
• ICS / categories: Electrical engineering vocabularies and transformers (examples: 29.180 Transformers; 01.040 vocabularies).
• Edition / version: 2010 edition (document designation: IEEE Std C57.12.80-2010).
• Number of pages: Approximately 60 pages (PDF).

Scope

The scope of IEEE Std C57.12.80-2010 is to collect and define terminology applicable to electric power and distribution transformers and associated apparatus. It also includes related terminology for power systems and insulation commonly encountered in transformer technology so that other C57-series standards and industry documents can refer to a consistent vocabulary.

Key topics and requirements

• Standardized definitions for transformer types and classifications (power, distribution, regulating transformers).
• Terms for transformer components and accessories (windings, core, bushings, tap changers, conservators, radiators).
• Definitions of thermal, electrical and mechanical ratings and limits (nameplate ratings, insulation classes, cooling modes).
• Terminology used in testing and measurement (temperature-rise, short-circuit, dielectric tests, loss and impedance measurements).
• Common vocabulary for losses, efficiencies, service conditions and nameplate data to ensure consistent interpretation across standards and specifications.

Typical use and users

This terminology standard is used by transformer manufacturers, design and testing engineers, utilities, standards committees, procurement/specification writers and technical libraries. It is referenced when writing specifications, test procedures, purchase orders and other standards to ensure consistent meaning of terms.

Related standards

IEEE Std C57.12.80-2010 is part of the broader IEEE C57 family of transformer standards and is referenced by and used alongside documents such as IEEE C57.12.00 (general requirements for liquid‑immersed transformers), IEEE C57.12.90 (test code), IEEE C57.12.10, IEEE C57.12.70 and other C57-series guides and test standards. The C57.12.80 vocabulary has later been updated by a subsequent revision of the same designation.

Keywords

transformer terminology, transformer definitions, power transformer, distribution transformer, insulation, cooling, nameplate, ratings, C57, IEEE vocabulary

FAQ

Q: What is this standard?

A: IEEE Std C57.12.80-2010 is the 2010 edition of the IEEE vocabulary/terminology standard for power and distribution transformers, compiling definitions used across transformer standards and the transformer industry.

Q: What does it cover?

A: It covers standardized terms and definitions for transformer types, components, ratings, insulation and test-related terminology to ensure consistent use of language in specifications, tests and related standards.

Q: Who typically uses it?

A: Manufacturers, utilities, design and test engineers, standards developers, procurement/specification writers and technical librarians use this standard as a vocabulary reference.

Q: Is it current or superseded?

A: The 2010 edition is a historical/superseded edition; IEEE records indicate it has been superseded by a later revision of IEEE Std C57.12.80 (a newer edition of the same standard). Users should consult the most recent C57.12.80 revision for current terminology.

Q: Is it part of a series?

A: Yes — it is part of the IEEE C57 family of standards covering transformers, regulators and reactors; it is intended to be used in conjunction with other C57 documents such as C57.12.00, C57.12.90 and related guides.

Q: What are the key keywords?

A: Transformer terminology, power transformer, distribution transformer, insulation, ratings, nameplate, cooling, C57.12.80.