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Homepage>BS Standards>29 ELECTRICAL ENGINEERING>29.120 Electrical accessories>29.120.70 Relays>BS EN IEC 60255-181:2019 Measuring relays and protection equipment Functional requirements for frequency protection
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immediate downloadReleased: 2019-05-09
BS EN IEC 60255-181:2019 Measuring relays and protection equipment Functional requirements for frequency protection

BS EN IEC 60255-181:2019

Measuring relays and protection equipment Functional requirements for frequency protection

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Standard number:BS EN IEC 60255-181:2019
Pages:96
Released:2019-05-09
ISBN:978 0 580 95203 6
Status:Standard
DESCRIPTION

BS EN IEC 60255-181:2019


This standard BS EN IEC 60255-181:2019 Measuring relays and protection equipment is classified in these ICS categories:
  • 29.120.70 Relays
IEC 60255-181:2019 specifies the minimum requirements for functional and performance evaluation of frequency protection. This document also defines how to document and publish performance test results.
This document covers the functions based on frequency measurement or rate of change of frequency measurements. This document also covers frequency protection where additional blocking elements are used.
This document 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 document.