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Measuring relays and protection equipment - Part 151: Functional requirements for over/under current protection
STANDARD published on 28.8.2009
Designation standards: IEC 60255-151-ed.1.0
Publication date standards: 28.8.2009
SKU: NS-409273
The number of pages: 63
Approximate weight : 189 g (0.42 lbs)
Country: International technical standard
Category: Technical standards IEC
IEC 60255-151:2009 specifies minimum requirements for over/under current relays. It includes a specification of the protection function, measurement characteristics and time delay characteristics. Defines the influencing factors that affect the accuracy under steady state conditions and performance characteristics during dynamic conditions. La CEI 60255-151:2009 specifie les exigences minimales relatives aux relais a maximum/minimum de courant. Cette norme inclut la specification de la fonction de protection, les caracteristiques de mesure et les caracteristiques de temporisation. Elle definit les facteurs dinfluence affectant la precision, en conditions de regime etabli et les caracteristiques de performance en conditions dynamiques.
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