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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Edition: 1.0 Published: 08/28/2009 Number of Pages: 63 File Size: 1 file , 1.3 MB
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