Registration number (WIID)Project No.TitleStatus
75247LVS EN IEC 62501:2024Voltage sourced converter (VSC) valves for high-voltage direct current (HVDC) power transmission - Electrical testingStandarts spēkā
61135LVS EN IEC 62909-1:2018Bi-directional grid-connected power converters - Part 1: General requirementsAtcelts
76009LVS EN IEC 62909-1:2025Bi-directional grid-connected power converters - Part 1: General and safety requirementsStandarts spēkā
65574LVS EN IEC 62909-2:2019Bi-directional grid-connected power converters - Part 2: Interface of GCPC and distributed energy resourcesStandarts spēkā
77947LVS EN IEC 63497:2026Shunt-connected active correction devices (ACD) 
44575LVS ENV 50091-3:1998Uninterruptible Power Systems (UPS) - Part 3: Performance requirements and test methodsAtcelts
58128LVS ENV 50091-3:1998/corrigendum Mar. 1999Uninterruptible Power Systems (UPS) - Part 3: Performance requirements and test methodsAtcelts
58147prEN 50091-3-1Uninterruptible power systems (UPS) - Part 3-1: General performance requirementsIzstrādē
46655prEN 50161Certification of low-voltage power supply devices of assessed qualityIzstrādē
50359prEN 50171Central power supply systemsIzstrādē
Displaying 351-360 of 381 results.