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Current

IEC 60076-2:2011

Power transformers - Part 2: Temperature rise for liquid-immersed transformers

IEC

Standard

Publication Date: 2011-02

Commitee: IEC-TC14

Language: EN-FR

Last Modification Date: 2025-03

Stability Date: 2026-12

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IEC 60076-2:2011 applies to liquid-immersed transformers, identifies power transformers according to their cooling methods, defines temperature rise limits and gives the methods for temperature rise tests. This new edition includes the following significant technical changes with respect to the previous edition:
- the winding hot-spot temperature rise limit was introduced among the prescriptions;
- the procedures for the temperature rise test were improved in relation to the new thermal requirements;
- five informative annexes were added in order to facilitate the implementation of this standard.

Relations

Replaces: IEC 60076-2:1993

Replaces: IEC 60076-2:1993/COR1:1997

International Coding Standard (ICS)

29.180

Transformers. Reactors
* Instrument transformers, see 17.220.20

Annotation

Standard Evolution

ICS

International Classification for Standards (ICS) is an international classification system for technical standards.

The ICS is a hierarchical classification organized on three levels.

Level 1 covers the main fields of activity in standardization, e.g. road vehicle engineering, agriculture, metallurgy.

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  43    Road Vehicle Engineering

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  43.040    Road vehicle systems

Some groups are further divided into sub-groups (level 3). The notation of a sub-group consists of the group notation and a two-digit number, separated by a point, e.g.

  43.040.20 Lighting, signaling and warning devices

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