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IEC 60255-127

Measuring relays and protection equipment – Part 127: Functional requirements for over/under voltage protection

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Organization: IEC
Publication Date: 1 April 2010
Status: active
Page Count: 54
ICS Code (Relays): 29.120.70
scope:

This part of IEC 60255 specifies minimum requirements for over/under voltage relays. The standard includes specification of the protection function, measurement characteristics and time delay characteristics.

This standard defines the influencing factors that affect the accuracy under steady state conditions and performance characteristics during dynamic conditions. The test methodologies for verifying performance characteristics and accuracy are also included in this standard.

The general requirements for measuring relays and protection equipment are specified in IEC 60255-1.

Document History

IEC 60255-127
April 1, 2010
Measuring relays and protection equipment – Part 127: Functional requirements for over/under voltage protection
This part of IEC 60255 specifies minimum requirements for over/under voltage relays. The standard includes specification of the protection function, measurement characteristics and time delay...

References

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