OS GSO IEC 60255-127:2012
IEC 60255-127:2010
Omani Standard
Current Edition
·
Approved on
09 August 2012
Measuring relays and protection equipment - Part 127: Functional requirements for over/under voltage protection
OS GSO IEC 60255-127:2012 Files
English
49 Pages
Current Edition
Reference Language
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OS GSO IEC 60255-127:2012 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.
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