Registration number (WIID)Project No.TitleStatus
76200prEN IEC 62040-1:2025Uninterruptible power systems (UPS) - Part 1: Safety requirementsAptauja slēgta
79656EN 62747:2014/prA2:2025Terminology for voltage-sourced converters (VSC) for high-voltage direct current (HVDC) systemsAptauja slēgta
78772prEN IEC 62477-2:2025Safety requirements for power electronic converter systems and equipment - Part 2: High voltage power electronic converters up to 36 kv a.c. or 54 kv d.c.Aptauja
80632EN IEC 61800-5-1:2023/prA1:2025Amendment 1 - Adjustable speed electrical power drive systems - Part 5-1: Safety requirements - Electrical, thermal and energyAptauja
56113LVS EN 60146-1-1:1993Semiconductor convertors - General requirements and line commutated convertors - Part 1-1: Specifications of basic requirementsAtcelts
42919LVS EN 62477-1:2013/A11:2014Safety requirements for power electronic converter systems and equipment - Part 1: GeneralAtcelts
50965LVS EN 50091-2:1995/corrigendum Jan. 1998Uninterruptible power systems (UPS) - Part 2: EMC requirementsAtcelts
69815LVS EN 62477-1:2013/A12:2021Safety requirements for power electronic converter systems and equipment - Part 1: GeneralAtcelts
47661LVS EN 62501:2010/A1:2015Voltage sourced converter (VSC) valves for high-voltage direct current (HVDC) power transmission - Electrical testingAtcelts
53220LVS EN 50091-1-2:1998/corrigendum Aug. 1999Uninterruptible power systems (UPS) - Part 1-2: General and safety requirements for UPS used in restricted access locationsAtcelts
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