Registration number (WIID)Project No.TitleStatus
52999LVS HD 539 S1:1991ReactorsAtcelts
45244EN 50541-1:2011Three phase dry-type distribution transformers 50 Hz, from 100 kVA to 3 150 kVA, with highest voltage for equipment not exceeding 36 kV - Part 1: General requirementsAtcelts
43325HD 428.1 S1:1992Three-phase oil-immersed distribution transformers 50 Hz, from 50 to 2500 kVA with highest voltage for equipment not exceeding 36 kV - Part 1: General requirements and requirements for transformers with highest voltage for equipment not exceeding 24 kVAtcelts
52805HD 538.3 S1:1997Three-phase dry-type distribution transformers 50 Hz, from 100 to 2500 kVA, with highest voltage for equipment not exceeding 36 kV - Part 3: Determination of the power rating of a transformer loaded with non- sinusoidal currentAtcelts
49310HD 539 S2:1992ReactorsAtcelts
43138EN 60214-1:2003Tap-changers - Part 1: Performance requirements and test methodsAtcelts
44102LVS HD 464 S1:1988/A4:1995Dry-type power transformersAtcelts
51366EN 50216-11:2008Power transformer and reactor fittings - Part 11: Oil and winding temperature indicatorsAtcelts
44235LVS EN 60742:1995Isolating transformers and safety isolating transformers - RequirementsAtcelts
64220EN 50588-1:2017Medium power transformers 50 Hz, with highest voltage for equipment not exceeding 36 kV - Part 1: General requirementsAtcelts
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