Power transformers - Part 22-4: Power transformer and reactor fittings - Insulating liquid to water heat exchangers
Power transformers - Part 22-4: Power transformer and reactor fittings - Insulating liquid to water heat exchangers
IEC 60076-22-4:2019 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 installation.
It outlines the service conditions and the mechanical and electrical requirements that are common to this equipment.
It also outlines the operation requirements specific to this equipment as well as the preferred dimensions relevant for interchangeability and the type and routine tests to be performed.
Keywords: insulating liquid to air heat exchangers in the cooling circuits of power transformers and reactors.
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Version 1 - 2026-06-22
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