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IEC 61225-ed.4.0
Nuclear power plants - Instrumentation, control and electrical power systems - Requirements for static uninterruptible DC and AC power supply systems
Translate name
STANDARD published on 8.7.2025
The information about the standard:
Designation standards: IEC 61225-ed.4.0
Publication date standards: 8.7.2025
SKU: NS-1226206
Approximate weight : 300 g (0.66 lbs)
Country: International technical standard
Category: Technical standards IEC
The category - similar standards:
Annotation of standard text IEC 61225-ed.4.0 :
IEC 61225:2025 specifies the performance and the functional characteristics of the low voltage static uninterruptible power supply (SUPS) systems in a nuclear power plant (NPP) and, when applicable, in nuclear facilities in general. An uninterruptible power supply (UPS) is an electrical equipment which draws electrical energy from a source, stores it, and maintains the supply in a specified form by means inside the equipment to output terminals. A SUPS has no rotating parts to perform its functions. The specific design requirements for the components of the power supply system are covered by IEC standards and other standards listed in the normative references. Otherwise, specific component-level design requirements are outside the scope of this document. IEC 61225:2025 specifie les performances et les caracteristiques fonctionnelles des systemes dalimentation statiques sans interruption (ASSI) en basse tension dans les centrales nucleaires de puissance (CNP) et, le cas echeant, dans les installations nucleaires en general. Une alimentation sans interruption (ASI) est un equipement electrique qui tire lenergie electrique dune source, la stocke et maintien une alimentation aux bornes de sortie sous une forme specifiee en utilisant des moyens internes a lequipement. Une ASSI ne comprend pas de partie tournante pour realiser sa fonction. LIEC 61225 a ete etablie par le sous-comite 45A: Systemes dinstrumentation, de controle-commande et dalimentation electrique des installations nucleaires, du comite detudes 45 de lIEC: Instrumentation nucleaire. Il sagit dune Norme internationale. Cette quatrieme edition annule et remplace la troisieme edition parue en 2019. Cette edition constitue une revision technique. Cette edition inclut les modifications techniques majeures suivantes par rapport a ledition precedente: a) lexpansion et la clarification des exigences relatives aux systemes dalimentation statiques non interruptibles en courant continu et en courant alternatif pour faciliter lapplication dans les PRM et les conceptions passives. La presente Norme internationale doit etre utilisee conjointement avec les normes IEC 61513:2011, IEC 60709:2018, IEC 60880:2006, IEC 62138:2018, IEC 62855:2016 et IEC 63046:2020.
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