IEC Transformer Standards

This Practice describes the requirements for design, manufacture, inspection, testing, and shipping of three-phase and single-phase liquid-immersed power transformers in accordance with applicable International Electrotechnical Commission (IEC) standards.

This part of IEC 60076 applies to three-phase and single-phase power transformers (including auto-transformers) with the exception of certain categories of small and special transformers such as: - single-phase transformers with rated power less than 1 kVA and...

This part of IEC 60076 applies to liquid-immersed power transformers employing either hightemperature insulation or combinations of high-temperature and conventional insulation, operating at temperatures above conventional limits. It is applicable to: - power transformers in...

This part of IEC 60076 applies to three-phase and single-phase gas-filled power transformers (including auto-transformers) with the exception of certain categories of small and special transformers such as: - single-phase transformers with rated power less than 1...

This part of IEC 60076-22 applies to a selection of accessories and fittings mounted on liquid immersed power transformers according to IEC 60076-1 and reactors according to IEC 600766 with or without conservator for indoor or outdoor installation. It outlines the...

This International Standard covers specific characteristics of traction transformers as defined in 3.1.1, used in traction substations or along the track for the supply of power to a.c. and d.c. traction systems or to provide power to auxiliary services. Traction transformers are...

This part of IEC 60076 is applicable to oil-immersed transformers. It describes the effect of operation under various ambient temperatures and load conditions on transformer life. NOTE - For furnace transformers, the manufacturer should be consulted in view of the...

This part of IEC 60076 applies to radiators mounted on liquid immersed power transformers according to IEC 60076-1 and reactors according to IEC 60076-6 with and without conservator for indoor or outdoor installation. It outlines the service conditions and the mechanical...

This part of IEC 60076 covers electric pumps used in the cooling circuits of power transformers and reactors. It applies to electric pumps mounted on liquid immersed power transformers according to IEC 60076-1 and reactors according to IEC 60076-6 with and without...

This part of IEC 60076 covers the electric fans used in the cooling circuits of power transformers and reactors. It applies to electric fans mounted on liquid immersed power transformers according to IEC 60076-1 and reactors according to IEC 60076-6 with and...

This technical specification provides design, testing and loading information for use by both the manufacturer and user of liquid-immersed power transformers using either high-temperature insulation or combinations of high-temperature and conventional insulation. It is applicable to - power...

This standard specifies requirements of liquid-immersed three-phase and single-phase converter transformers for use in High Voltage Direct Current (HVDC) power transmission systems including back-to-back applications. It applies to transformers having two, three or multiple windings....

This International Standard is a guide to the maintenance of synthetic organic esters, originally complying with the requirements of IEC 1099, in transformers with rated voltages up to 35 kV. It is intended to assist the equipment operator in assessing the quality of the liquid during...

This part of IEC 61378 applies to oil-immersed three-phase and single-phase convertor transformers for use in HVDC power transmission. It applies to transformers having two, three or multiple windings. This standard does not apply to - convertor transformers for...

This part of IEC 60076 applies to liquid to air heat exchangers, using forced air and forced liquid circuits, used on liquid immersed power transformers according to IEC 60076-1 and reactors according to IEC 60076-6 with and without conservator for indoor or outdoor...

This part of IEC 60076 applies to liquid to water heat exchangers, using forced water and forced liquid circuits, used on liquid immersed power transformers according to IEC 60076-1 and reactors according to IEC 60076-6 with and without conservator for indoor or outdoor...

This part of IEC 60076-22 applies to protective devices mounted on liquid-immersed power transformers in accordance with IEC 60076-1 and reactors in accordance with IEC 60076-6 with or without conservator for indoor or outdoor installation. It outlines the service...

This application guide applies to the use, for transformer circuit applications, of fuse-links of fuses complying with the requirements of IEC Publication 282-1: High-voltage Fuses, Part 1: Current-limiting Fuses.