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Homepage>IEC Standards>IEC 60255-151:2009 - Measuring relays and protection equipment - Part 151: Functional requirements for over/under current protection
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download between 0-24 hoursReleased: 2009-08-28
IEC 60255-151:2009 - Measuring relays and protection equipment - Part 151: Functional requirements for over/under current protection

IEC 60255-151:2009

Measuring relays and protection equipment - Part 151: Functional requirements for over/under current protection

Relais de mesure et dispositifs de protection - Partie 151: Exigences fonctionnelles pour les protections à minimum et maximum de courant

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Standard number:IEC 60255-151:2009
Released:2009-08-28
Language:English/French - Bilingual
DESCRIPTION

IEC 60255-151:2009

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.