• IEC 60255-151 Ed. 1.0 b:2009

IEC 60255-151 Ed. 1.0 b:2009

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

International Electrotechnical Commission , 08/28/2009

Publisher: IEC

File Format: PDF

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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.

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